GPAC MP4Box 2.1-DEV-rev649-ga8f438d20 is vulnerable to Buffer Overflow via media_tools/av_parsers.c:4988 in gf_media_nalu_add_emulation_bytes

*   I looked for a similar issue and couldn't find any.
*   I tried with the latest version of GPAC. Installers available at http://gpac.io/downloads/gpac-nightly-builds/
*   I give enough information for contributors to reproduce my issue (meaningful title, github labels,

**Description**

heap-buffer-overflow media\_tools/av\_parsers.c:4988 in gf\_media\_nalu\_add\_emulation\_bytes

**Version info**

latest version atm

    MP4Box - GPAC version 2.1-DEV-rev649-ga8f438d20-master
    (c) 2000-2022 Telecom Paris distributed under LGPL v2.1+ - http://gpac.io
    
    Please cite our work in your research:
    	GPAC Filters: https://doi.org/10.1145/3339825.3394929
    	GPAC: https://doi.org/10.1145/1291233.1291452
    
    GPAC Configuration: --enable-sanitizer
    Features: GPAC_CONFIG_LINUX GPAC_64_BITS GPAC_HAS_IPV6 GPAC_HAS_SSL GPAC_HAS_SOCK_UN GPAC_MINIMAL_ODF GPAC_HAS_QJS GPAC_HAS_LINUX_DVB  GPAC_DISABLE_3D
    

**Reproduce**

compile and run

    ./configure --enable-sanitizer
    make
    ./MP4Box import -catx poc_bof14.mp4
    

Crash reported by sanitizer

    [AVC|H264] Error parsing NAL unit type 8
    [AVC|H264] Error parsing Picture Param Set
    [avc-h264] SEI user message type 71 size error (71 but 27 remain), keeping full SEI untouched
    [AVC|H264] Error parsing NAL unit type 8
    [AVC|H264] Error parsing Picture Param Set
    [AVC|H264] Error parsing NAL unit type 8
    [AVC|H264] Error parsing Picture Param Set
    [avc-h264] SEI user message has less than 2 bytes remaining but no end of sei found
    =================================================================
    ==745696==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x615000014780 at pc 0x7f373f26d683 bp 0x7ffd5a01c290 sp 0x7ffd5a01c280
    WRITE of size 1 at 0x615000014780 thread T0
        #0 0x7f373f26d682 in gf_media_nalu_add_emulation_bytes media_tools/av_parsers.c:4988
        #1 0x7f373f26d682 in gf_avc_reformat_sei media_tools/av_parsers.c:6355
        #2 0x7f373fccee25 in naludmx_push_prefix filters/reframe_nalu.c:2398
        #3 0x7f373fcee8ac in naludmx_parse_nal_avc filters/reframe_nalu.c:2821
        #4 0x7f373fcee8ac in naludmx_process filters/reframe_nalu.c:3333
        #5 0x7f373f8a5f1d in gf_filter_process_task filter_core/filter.c:2815
        #6 0x7f373f8655a3 in gf_fs_thread_proc filter_core/filter_session.c:1859
        #7 0x7f373f871ece in gf_fs_run filter_core/filter_session.c:2120
        #8 0x7f373f2b49c1 in gf_media_import media_tools/media_import.c:1551
        #9 0x55b1ec0f1b4c in import_file /home/sumuchuan/Desktop/gpac_fuzz/gpac/applications/mp4box/fileimport.c:1498
        #10 0x55b1ec0fc5d7 in cat_isomedia_file /home/sumuchuan/Desktop/gpac_fuzz/gpac/applications/mp4box/fileimport.c:2536
        #11 0x55b1ec0a6130 in do_add_cat /home/sumuchuan/Desktop/gpac_fuzz/gpac/applications/mp4box/mp4box.c:4562
        #12 0x55b1ec0a6130 in mp4box_main /home/sumuchuan/Desktop/gpac_fuzz/gpac/applications/mp4box/mp4box.c:6124
        #13 0x7f373c83bd8f in __libc_start_call_main ../sysdeps/nptl/libc_start_call_main.h:58
        #14 0x7f373c83be3f in __libc_start_main_impl ../csu/libc-start.c:392
        #15 0x55b1ec082cb4 in _start (/home/sumuchuan/Desktop/gpac_fuzz/gpac/bin/gcc/MP4Box+0xabcb4)
    
    0x615000014780 is located 0 bytes to the right of 512-byte region [0x615000014580,0x615000014780)
    allocated by thread T0 here:
        #0 0x7f37423a4867 in __interceptor_malloc ../../../../src/libsanitizer/asan/asan_malloc_linux.cpp:145
        #1 0x7f373ea2c72a in gf_bs_new utils/bitstream.c:154
        #2 0x7f373f26c993 in gf_avc_reformat_sei media_tools/av_parsers.c:6227
        #3 0x7f373fccee25 in naludmx_push_prefix filters/reframe_nalu.c:2398
        #4 0x7f373fcee8ac in naludmx_parse_nal_avc filters/reframe_nalu.c:2821
        #5 0x7f373fcee8ac in naludmx_process filters/reframe_nalu.c:3333
        #6 0x7f373f8a5f1d in gf_filter_process_task filter_core/filter.c:2815
        #7 0x7f373f8655a3 in gf_fs_thread_proc filter_core/filter_session.c:1859
        #8 0x7f373f871ece in gf_fs_run filter_core/filter_session.c:2120
        #9 0x7f373f2b49c1 in gf_media_import media_tools/media_import.c:1551
        #10 0x55b1ec0f1b4c in import_file /home/sumuchuan/Desktop/gpac_fuzz/gpac/applications/mp4box/fileimport.c:1498
        #11 0x55b1ec0fc5d7 in cat_isomedia_file /home/sumuchuan/Desktop/gpac_fuzz/gpac/applications/mp4box/fileimport.c:2536
        #12 0x55b1ec0a6130 in do_add_cat /home/sumuchuan/Desktop/gpac_fuzz/gpac/applications/mp4box/mp4box.c:4562
        #13 0x55b1ec0a6130 in mp4box_main /home/sumuchuan/Desktop/gpac_fuzz/gpac/applications/mp4box/mp4box.c:6124
        #14 0x7f373c83bd8f in __libc_start_call_main ../sysdeps/nptl/libc_start_call_main.h:58
    
    SUMMARY: AddressSanitizer: heap-buffer-overflow media_tools/av_parsers.c:4988 in gf_media_nalu_add_emulation_bytes
    Shadow bytes around the buggy address:
      0x0c2a7fffa8a0: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
      0x0c2a7fffa8b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
      0x0c2a7fffa8c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
      0x0c2a7fffa8d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
      0x0c2a7fffa8e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
    =>0x0c2a7fffa8f0:[fa]fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
      0x0c2a7fffa900: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
      0x0c2a7fffa910: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
      0x0c2a7fffa920: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
      0x0c2a7fffa930: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
      0x0c2a7fffa940: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
    Shadow byte legend (one shadow byte represents 8 application bytes):
      Addressable:           00
      Partially addressable: 01 02 03 04 05 06 07 
      Heap left redzone:       fa
      Freed heap region:       fd
      Stack left redzone:      f1
      Stack mid redzone:       f2
      Stack right redzone:     f3
      Stack after return:      f5
      Stack use after scope:   f8
      Global redzone:          f9
      Global init order:       f6
      Poisoned by user:        f7
      Container overflow:      fc
      Array cookie:            ac
      Intra object redzone:    bb
      ASan internal:           fe
      Left alloca redzone:     ca
      Right alloca redzone:    cb
      Shadow gap:              cc
    ==745696==ABORTING
    

if compile without ASAN and run the same poc

    ./configure --static-bin
    make
    ./MP4Box import -catx poc_bof14.mp4
    

The crash will happen at another place

    [AVC|H264] Error parsing NAL unit type 8
    [AVC|H264] Error parsing Picture Param Set
    [avc-h264] SEI user message type 71 size error (71 but 27 remain), keeping full SEI untouched
    [AVC|H264] Error parsing NAL unit type 8
    [AVC|H264] Error parsing Picture Param Set
    [AVC|H264] Error parsing NAL unit type 8
    [AVC|H264] Error parsing Picture Param Set
    [avc-h264] SEI user message has less than 2 bytes remaining but no end of sei found
    [avc-h264] invalid SPS: log2_max_frame_num_minus4 shall be less than 12, but is 16962257
    [AVC|H264] Error parsing NAL unit type 7
    [AVC|H264] Error parsing NAL unit type 8
    [AVC|H264] Error parsing Picture Param Set
    [avc-h264] SEI user message type 16 size error (45 but 7 remain), keeping full SEI untouched
    [avc-h264] invalid SPS: log2_max_frame_num_minus4 shall be less than 12, but is 32527
    [AVC|H264] Error parsing NAL unit type 7
    [AVC|H264] Error parsing NAL unit type 8
    [AVC|H264] Error parsing Picture Param Set
    [AVC|H264] Error parsing NAL unit type 8
    [AVC|H264] Error parsing Picture Param Set
    [AVC|H264] Error parsing NAL unit type 8
    [AVC|H264] Error parsing Picture Param Set
    [avc-h264] invalid SPS: log2_max_frame_num_minus4 shall be less than 12, but is 16964897
    [AVC|H264] Error parsing NAL unit type 7
    [avc-h264] Unknown aspect_ratio_idc: your video may have a wrong aspect ratio. Contact the GPAC team!
    [avc-h264] invalid SPS: log2_max_frame_num_minus4 shall be less than 12, but is 63
    [AVC|H264] Error parsing NAL unit type 7
    [avc-h264] Unknown aspect_ratio_idc: your video may have a wrong aspect ratio. Contact the GPAC team!
    realloc(): invalid next size
    Aborted
    

realloc(): invalid next size indicates that there was a bof on heap indeed, overwriting the size field of a heap chunk.

**POC**

poc\_bof14.zip

**Impact**

Potentially causing DoS and RCE

**Credit**

Xdchase

CVE-2022-47661: heap-buffer-overflow media_tools/av_parsers.c:4988 in gf_media_nalu_add_emulation_bytes · Issue #2358 · gpac/gpac

GPAC MP4Box 2.1-DEV-rev644-g5c4df2a67 is has an integer overflow in isomedia/isom_write.c

Thanks for reporting your issue. Please make sure these boxes are checked before submitting your issue - thank you!

    MP4Box - GPAC version 2.1-DEV-rev644-g5c4df2a67-master
    (c) 2000-2022 Telecom Paris distributed under LGPL v2.1+ - http://gpac.io
    
    Please cite our work in your research:
    	GPAC Filters: https://doi.org/10.1145/3339825.3394929
    	GPAC: https://doi.org/10.1145/1291233.1291452
    
    GPAC Configuration: --enable-sanitizer
    Features: GPAC_CONFIG_LINUX GPAC_64_BITS GPAC_HAS_IPV6 GPAC_HAS_SSL GPAC_HAS_SOCK_UN GPAC_MINIMAL_ODF GPAC_HAS_QJS GPAC_HAS_LINUX_DVB  GPAC_DISABLE_3D
    

    ./configure --enable-sanitizer
    make
    ./MP4Box import -cat iof.mp4
    

    [HEVC] Error parsing NAL unit type 33
    [HEVC] Error parsing NAL unit type 32
    [HEVC] Invalid log2_max_pic_order_cnt_lsb_minus4 80, max shall be 12
    [HEVC] Error parsing NAL unit type 33
    [HEVC] Error parsing Sequence Param Set
    [HEVC] Error parsing NAL unit type 34
    [HEVC] Error parsing NAL unit type 0
    Track Importing HEVC - Width 1 Height 6 FPS 488447261/488447261
    [HEVC] Error parsing NAL unit type 25
    [HEVC] NAL Unit type 25 not handled - adding
    [HEVC] Error parsing NAL unit type 32
    [HEVC] Invalid log2_max_pic_order_cnt_lsb_minus4 80, max shall be 12
    [HEVC] Error parsing NAL unit type 33
    [HEVC] Error parsing Sequence Param Set
    [HEVC] Error parsing NAL unit type 34
    [HEVC] Error parsing NAL unit type 0
    [HEVC] Error parsing NAL unit type 32         
    isomedia/isom_write.c:4931:87: runtime error: signed integer overflow: 1852736474 - -1953749291 cannot be represented in type 'int'

CVE-2022-47660: integer overflow in isomedia/isom_write.c:4931 · Issue #2357 · gpac/gpac

GPAC MP4box 2.1-DEV-rev593-g007bf61a0 is vulnerable to Buffer Overflow in eac3_update_channels function of media_tools/av_parsers.c:9113

Thanks for reporting your issue. Please make sure these boxes are checked before submitting your issue - thank you!

*   I looked for a similar issue and couldn't find any.
*   I tried with the latest version of GPAC. Installers available at http://gpac.io/downloads/gpac-nightly-builds/
*   I give enough information for contributors to reproduce my issue (meaningful title, github labels, platform and compiler, command-line ...). I can share files anonymously with this dropbox: https://www.mediafire.com/filedrop/filedrop\_hosted.php?drop=eec9e058a9486fe4e99c33021481d9e1826ca9dbc242a6cfaab0fe95da5e5d95

Detailed guidelines: http://gpac.io/2013/07/16/how-to-file-a-bug-properly/

**Description**

buffer overflow in eac3\_update\_channels function of media\_tools/av\_parsers.c:9113

static void eac3\_update\_channels(GF\_AC3Config \*hdr)
{
	u32 i;
	for (i=0; i<hdr->nb\_streams; i++) {
		u32 nb\_ch = ac3\_mod\_to\_total\_chans\[hdr->streams\[i\].acmod\]; // overflow
		if (hdr->streams\[i\].nb\_dep\_sub) {
			hdr->streams\[i\].chan\_loc = eac3\_chanmap\_to\_chan\_loc(hdr->streams\[i\].chan\_loc);
			nb\_ch += gf\_eac3\_get\_chan\_loc\_count(hdr->streams\[i\].chan\_loc);
		}
		if (hdr->streams\[i\].lfon) nb\_ch++;
		hdr->streams\[i\].channels = nb\_ch;
		hdr->streams\[i\].surround\_channels = ac3\_mod\_to\_surround\_chans\[hdr->streams\[i\].acmod\];
	}
}

**Version info**

latest version

    MP4Box - GPAC version 2.1-DEV-rev593-g007bf61a0-master
    (c) 2000-2022 Telecom Paris distributed under LGPL v2.1+ - http://gpac.io
    
    Please cite our work in your research:
    	GPAC Filters: https://doi.org/10.1145/3339825.3394929
    	GPAC: https://doi.org/10.1145/1291233.1291452
    
    GPAC Configuration: --enable-sanitizer
    Features: GPAC_CONFIG_LINUX GPAC_64_BITS GPAC_HAS_IPV6 GPAC_HAS_SSL GPAC_HAS_SOCK_UN GPAC_MINIMAL_ODF GPAC_HAS_QJS GPAC_HAS_LINUX_DVB  GPAC_DISABLE_3D
    

**Reproduce**

compile and run

    ./configure --enable-sanitizer
    make
    ./MP4Box import -add poc_bof7.swf
    

Crash reported by sanitizer

    [iso file] Unknown box type dvbs in parent stsd
    Track Importing EAC-3 - SampleRate 32000 Num Channels 6
    [AC3Dmx] 24 bytes unrecovered before sync word
    [AC3Dmx] 13 bytes unrecovered before sync word
    media_tools/av_parsers.c:9113:50: runtime error: index 8 out of bounds for type 'GF_AC3StreamInfo [8]'
    

**POC**

poc\_bof7.zip

**Impact**

Potentially causing DoS and RCE

**Credit**

Xdchase

CVE-2022-47653: buffer overflow in eac3_update_channels function of media_tools/av_parsers.c:9113 · Issue #2349 · gpac/gpac

GPAC MP4box 2.1-DEV-rev593-g007bf61a0 is vulnerable to Buffer Overflow in gf_hevc_read_sps_bs_internal function of media_tools/av_parsers.c:8261

Thanks for reporting your issue. Please make sure these boxes are checked before submitting your issue - thank you!

*   I looked for a similar issue and couldn't find any.
*   I tried with the latest version of GPAC. Installers available at http://gpac.io/downloads/gpac-nightly-builds/
*   I give enough information for contributors to reproduce my issue (meaningful title, github labels, platform and compiler, command-line ...). I can share files anonymously with this dropbox: https://www.mediafire.com/filedrop/filedrop\_hosted.php?drop=eec9e058a9486fe4e99c33021481d9e1826ca9dbc242a6cfaab0fe95da5e5d95

Detailed guidelines: http://gpac.io/2013/07/16/how-to-file-a-bug-properly/

**Description**

buffer overflow in gf\_hevc\_read\_sps\_bs\_internal function of media\_tools/av\_parsers.c:8261

	//sps\_rep\_format\_idx = 0;
	if (multiLayerExtSpsFlag) {
		sps->update\_rep\_format\_flag = gf\_bs\_read\_int\_log(bs, 1, "update\_rep\_format\_flag");
		if (sps->update\_rep\_format\_flag) {
			sps->rep\_format\_idx = gf\_bs\_read\_int\_log(bs, 8, "rep\_format\_idx");
			if (sps->rep\_format\_idx\>15) {
				return -1;
			}
		} else {
			sps->rep\_format\_idx = vps->rep\_format\_idx\[layer\_id\]; // overflow
		}

**Version info**

latest version

    MP4Box - GPAC version 2.1-DEV-rev593-g007bf61a0-master
    (c) 2000-2022 Telecom Paris distributed under LGPL v2.1+ - http://gpac.io
    
    Please cite our work in your research:
    	GPAC Filters: https://doi.org/10.1145/3339825.3394929
    	GPAC: https://doi.org/10.1145/1291233.1291452
    
    GPAC Configuration: --enable-sanitizer
    Features: GPAC_CONFIG_LINUX GPAC_64_BITS GPAC_HAS_IPV6 GPAC_HAS_SSL GPAC_HAS_SOCK_UN GPAC_MINIMAL_ODF GPAC_HAS_QJS GPAC_HAS_LINUX_DVB  GPAC_DISABLE_3D
    

**Reproduce**

compile and run

    ./configure --enable-sanitizer
    make
    ./MP4Box import -add poc_bof8.mov
    

Crash reported by sanitizer

    [iso file] Unknown box type dvbs in parent stsd
    [HEVC] Error parsing NAL unit type 16
    [Core] exp-golomb read failed, not enough bits in bitstream !
    [HEVC] Error parsing NAL unit type 32
    [Core] exp-golomb read failed, not enough bits in bitstream !
    [HEVC] Error parsing NAL unit type 33
    [HEVC] Error parsing NAL unit type 16
    Track Importing HEVC - Width -10 Height -20316159 FPS 25000/1000
    [HEVC] Error parsing NAL Unit 8 (size 0 type 0 frame 0 last POC 0) - skipping
    [HEVC] Error parsing NAL unit type 16
    [HEVC] Error parsing NAL unit type 0
    [Core] exp-golomb read failed, not enough bits in bitstream !
    [HEVC] Error parsing NAL unit type 32
    [Core] exp-golomb read failed, not enough bits in bitstream !
    [HEVC] Error parsing NAL unit type 33
    [Core] exp-golomb read failed, not enough bits in bitstream !
    [HEVC] Error parsing NAL unit type 34
    [Core] exp-golomb read failed, not enough bits in bitstream !
    [Core] exp-golomb read failed, not enough bits in bitstream !
    [HEVC] Wrong number of layer sets in VPS 5
    [HEVC] Error parsing NAL unit type 32
    [HEVC] Error parsing Video Param Set
    [Core] exp-golomb read failed, not enough bits in bitstream !
    [HEVC] Error parsing NAL unit type 32
    [Core] exp-golomb read failed, not enough bits in bitstream !
    [HEVC] Error parsing NAL unit type 33
    [Core] exp-golomb read failed, not enough bits in bitstream !
    [Core] exp-golomb read failed, not enough bits in bitstream !
    [Core] exp-golomb read failed, not enough bits in bitstream !
    [HEVC] Error parsing NAL unit type 34
    [Core] exp-golomb read failed, not enough bits in bitstream !
    [Core] exp-golomb read failed, not enough bits in bitstream !
    [Core] exp-golomb read failed, not enough bits in bitstream !
    [HEVC] Error parsing NAL unit type 34
    [Core] exp-golomb read failed, not enough bits in bitstream !
    [Core] exp-golomb read failed, not enough bits in bitstream !
    [Core] exp-golomb read failed, not enough bits in bitstream !
    [Core] exp-golomb read failed, not enough bits in bitstream !
    [HEVC] sorry, 11 layers in VPS but only 4 supported
    [HEVC] Error parsing NAL unit type 32
    [HEVC] Error parsing Video Param Set
    media_tools/av_parsers.c:8261:45: runtime error: index 45 out of bounds for type 'u32 [16]'
    

**POC**

poc\_bof8.zip

**Impact**

Potentially causing DoS and RCE

**Credit**

Xdchase

CVE-2022-47654: buffer overflow in gf_hevc_read_sps_bs_internal function of media_tools/av_parsers.c:8261 · Issue #2350 · gpac/gpac

GPAC MP4Box 2.1-DEV-rev649-ga8f438d20 has a segment fault (/stack overflow) due to infinite recursion in Media_GetSample isomedia/media.c:662

*   I looked for a similar issue and couldn't find any.
*   I tried with the latest version of GPAC. Installers available at http://gpac.io/downloads/gpac-nightly-builds/
*   I give enough information for contributors to reproduce my issue (meaningful title, github labels,

**Description**

segment fault (/stack overflow) due to infinite recursion in Media\_GetSample isomedia/media.c:662

**Version info**

latest version atm

    MP4Box - GPAC version 2.1-DEV-rev649-ga8f438d20-master
    (c) 2000-2022 Telecom Paris distributed under LGPL v2.1+ - http://gpac.io
    
    Please cite our work in your research:
    	GPAC Filters: https://doi.org/10.1145/3339825.3394929
    	GPAC: https://doi.org/10.1145/1291233.1291452
    
    GPAC Configuration: --enable-sanitizer
    Features: GPAC_CONFIG_LINUX GPAC_64_BITS GPAC_HAS_IPV6 GPAC_HAS_SSL GPAC_HAS_SOCK_UN GPAC_MINIMAL_ODF GPAC_HAS_QJS GPAC_HAS_LINUX_DVB  GPAC_DISABLE_3D
    

**Reproduce**

compile and run

    ./configure --enable-sanitizer
    make
    ./MP4Box import -cat poc_segfault2.mp4
    

Crash reported by sanitizer

    [HEVC] Error parsing NAL unit type 63
    Track Importing L-HEVC - Width 1 Height 6 FPS 25000/1000
    [HEVC] NAL Unit type 26 not handled - adding
    [HEVC] xPS changed but could not flush frames before signaling state change !
    [HEVC] Error parsing NAL unit type 33
    [HEVC] Error parsing NAL unit type 32
    [HEVC] Invalid log2_max_pic_order_cnt_lsb_minus4 80, max shall be 12
    [HEVC] Error parsing NAL unit type 33
    [HEVC] Error parsing Sequence Param Set
    [HEVC] Error parsing NAL unit type 34
    [HEVC] Error parsing NAL unit type 0
    [HEVC] Error parsing NAL unit type 32         
    [HEVC] Error parsing NAL unit type 32
    HEVC Import results: 7 samples (39 NALUs) - Slices: 0 I 0 P 1 B - 0 SEI - 0 IDR - 0 CRA
    HEVC L-HEVC Import results: Slices: 3 I 0 P 2 B
    HEVC Stream uses forward prediction - stream CTS offset: 6 frames
    HEVC Max NALU size is 106 - stream could be optimized by setting nal_length=1
    Appending file /home/sumuchuan/Desktop/gpac_fuzz/cat_gpac/bin/gcc/out/default/crashes/160.mp4
    No suitable destination track found - creating new one (type vide)
    AddressSanitizer:DEADLYSIGNAL   | (57/100)
    =================================================================
    ==738673==ERROR: AddressSanitizer: stack-overflow on address 0x7ffdae782bc0 (pc 0x7f415d384491 bp 0x7ffdae783400 sp 0x7ffdae782bc0 T0)
        #0 0x7f415d384491 in __sanitizer::StackTrace::StackTrace(unsigned long const*, unsigned int) ../../../../src/libsanitizer/sanitizer_common/sanitizer_stacktrace.h:52
        #1 0x7f415d384491 in __sanitizer::BufferedStackTrace::BufferedStackTrace() ../../../../src/libsanitizer/sanitizer_common/sanitizer_stacktrace.h:105
        #2 0x7f415d384491 in __interceptor_free ../../../../src/libsanitizer/asan/asan_malloc_linux.cpp:127
        #3 0x7f415787f858 in __GI__IO_free_backup_area libio/genops.c:190
        #4 0x7f415787cae3 in _IO_new_file_seekoff libio/fileops.c:975
        #5 0x7f415787ad52 in __fseeko libio/fseeko.c:40
        #6 0x7f4159a1536a in BS_SeekIntern utils/bitstream.c:1338
        #7 0x7f4159a1536a in gf_bs_seek utils/bitstream.c:1373
        #8 0x7f4159fbbfc9 in gf_isom_fdm_get_data isomedia/data_map.c:501
        #9 0x7f4159fbbfc9 in gf_isom_datamap_get_data isomedia/data_map.c:279
        #10 0x7f415a0a1f40 in Media_GetSample isomedia/media.c:641
        #11 0x7f4159ffc579 in gf_isom_get_sample_ex isomedia/isom_read.c:1916
        #12 0x7f4159ec91ca in gf_isom_nalu_sample_rewrite isomedia/avc_ext.c:454
        #13 0x7f415a0a305a in Media_GetSample isomedia/media.c:662
        #14 0x7f4159ffc579 in gf_isom_get_sample_ex isomedia/isom_read.c:1916
        #15 0x7f4159ec91ca in gf_isom_nalu_sample_rewrite isomedia/avc_ext.c:454
        #16 0x7f415a0a305a in Media_GetSample isomedia/media.c:662
        #17 0x7f4159ffc579 in gf_isom_get_sample_ex isomedia/isom_read.c:1916
        #18 0x7f4159ec91ca in gf_isom_nalu_sample_rewrite isomedia/avc_ext.c:454
        #19 0x7f415a0a305a in Media_GetSample isomedia/media.c:662
        #20 0x7f4159ffc579 in gf_isom_get_sample_ex isomedia/isom_read.c:1916
        #21 0x7f4159ec91ca in gf_isom_nalu_sample_rewrite isomedia/avc_ext.c:454
        #22 0x7f415a0a305a in Media_GetSample isomedia/media.c:662
        #23 0x7f4159ffc579 in gf_isom_get_sample_ex isomedia/isom_read.c:1916
        #24 0x7f4159ec91ca in gf_isom_nalu_sample_rewrite isomedia/avc_ext.c:454
        ...
    

looks like an infinite recursion

    Media_GetSample isomedia/media.c:662
     -> gf_isom_nalu_sample_rewrite isomedia/avc_ext.c:454
     -> gf_isom_get_sample_ex isomedia/isom_read.c:1916
     -> Media_GetSample isomedia/media.c:662
    

if compile without ASAN and run the same poc

    ./configure --static-bin
    make
    ./MP4Box import -cat poc_segfault2.mp4
    

there will be a segment fault

    [HEVC] Error parsing NAL unit type 63
    Track Importing L-HEVC - Width 1 Height 6 FPS 25000/1000
    [HEVC] NAL Unit type 26 not handled - adding
    [HEVC] xPS changed but could not flush frames before signaling state change !
    [HEVC] Error parsing NAL unit type 33
    [HEVC] Error parsing NAL unit type 32
    [HEVC] Invalid log2_max_pic_order_cnt_lsb_minus4 80, max shall be 12
    [HEVC] Error parsing NAL unit type 33
    [HEVC] Error parsing Sequence Param Set
    [HEVC] Error parsing NAL unit type 34
    [HEVC] Error parsing NAL unit type 0
    [HEVC] Error parsing NAL unit type 32         
    [HEVC] Error parsing NAL unit type 32
    HEVC Import results: 7 samples (39 NALUs) - Slices: 0 I 0 P 1 B - 0 SEI - 0 IDR - 0 CRA
    HEVC L-HEVC Import results: Slices: 3 I 0 P 2 B
    HEVC Stream uses forward prediction - stream CTS offset: 6 frames
    HEVC Max NALU size is 106 - stream could be optimized by setting nal_length=1
    Appending file /home/sumuchuan/Desktop/gpac_fuzz/cat_gpac/bin/gcc/out/default/crashes/160.mp4
    No suitable destination track found - creating new one (type vide)
    Segmentation fault=====         | (57/100)
    

Because it ran out of stack space, making rsp and rbp point to an unmapped memory, causing seg fault. backtrace atm

    pwndbg> bt
    ...
    #16487 0x000000000054d599 in gf_isom_get_sample_ex ()
    #16488 0x0000000000521d6d in gf_isom_nalu_sample_rewrite ()
    #16489 0x0000000000570e13 in Media_GetSample ()
    #16490 0x000000000054d599 in gf_isom_get_sample_ex ()
    #16491 0x0000000000521d6d in gf_isom_nalu_sample_rewrite ()
    #16492 0x0000000000570e13 in Media_GetSample ()
    #16493 0x000000000054d599 in gf_isom_get_sample_ex ()
    #16494 0x0000000000521d6d in gf_isom_nalu_sample_rewrite ()
    #16495 0x0000000000570e13 in Media_GetSample ()
    ...
    

**POC**

poc-segfault2.zip

**Impact**

Potentially causing DoS

**Credit**

Xdchase

CVE-2022-47662: Infinite recursion in Media_GetSample isomedia/media.c:662 · Issue #2359 · gpac/gpac

Red Hat Security Advisory 2022-9098-01 - Red Hat OpenShift Container Platform is Red Hat's cloud computing Kubernetes application platform solution designed for on-premise or private cloud deployments. This advisory contains the RPM packages for Red Hat OpenShift Container Platform 4.10.46. Issues addressed include a code execution vulnerability.

-----BEGIN PGP SIGNED MESSAGE-----  
Hash: SHA256

====================================================================                     
Red Hat Security Advisory

Synopsis:          Important: OpenShift Container Platform 4.10.46 packages and security update  
Advisory ID:       RHSA-2022:9098-01  
Product:           Red Hat OpenShift Enterprise  
Advisory URL:      https://access.redhat.com/errata/RHSA-2022:9098  
Issue date:        2023-01-04  
CVE Names:         CVE-2022-29599  
====================================================================  
1. Summary:

Red Hat OpenShift Container Platform release 4.10.46 is now available with  
updates to packages and images that fix several bugs and add enhancements.

Red Hat Product Security has rated this update as having a security impact  
of Important. A Common Vulnerability Scoring System (CVSS) base score,  
which gives a detailed severity rating, is available for each vulnerability  
from the CVE link(s) in the References section.

2. Relevant releases/architectures:

Red Hat OpenShift Container Platform 4.10 - aarch64, noarch, ppc64le, s390x, x86_64

3. Description:

Red Hat OpenShift Container Platform is Red Hat's cloud computing  
Kubernetes application platform solution designed for on-premise or private  
cloud deployments.

This advisory contains the RPM packages for Red Hat OpenShift Container  
Platform 4.10.46. See the following advisory for the container images for  
this release:

https://access.redhat.com/errata/RHBA-2022:9099

Security Fix(es):

* maven-shared-utils: Command injection via Commandline class  
(CVE-2022-29599)

For more details about the security issue(s), including the impact, a CVSS  
score, acknowledgments, and other related information, refer to the CVE  
page(s) listed in the References section.

All OpenShift Container Platform 4.10 users are advised to upgrade to these  
updated packages and images when they are available in the appropriate  
release channel. To check for available updates, use the OpenShift Console  
or the CLI oc command. Instructions for upgrading a cluster are available  
at  
https://docs.openshift.com/container-platform/4.10/updating/updating-cluster-cli.html

4. Solution:

Before applying this update, make sure all previously released errata  
relevant to your system have been applied.

For details on how to apply this update, refer to:

https://access.redhat.com/articles/11258

5. Bugs fixed (https://bugzilla.redhat.com/):

2066479 - CVE-2022-29599 maven-shared-utils: Command injection via Commandline class

6. Package List:

Red Hat OpenShift Container Platform 4.10:

Source:  
cri-o-1.23.4-3.rhaos4.10.git8240333.el7.src.rpm

x86_64:  
cri-o-1.23.4-3.rhaos4.10.git8240333.el7.x86_64.rpm  
cri-o-debuginfo-1.23.4-3.rhaos4.10.git8240333.el7.x86_64.rpm

Red Hat OpenShift Container Platform 4.10:

Source:  
cri-o-1.23.4-3.rhaos4.10.git8240333.el8.src.rpm  
jenkins-2-plugins-4.10.1670851835-1.el8.src.rpm

aarch64:  
cri-o-1.23.4-3.rhaos4.10.git8240333.el8.aarch64.rpm  
cri-o-debuginfo-1.23.4-3.rhaos4.10.git8240333.el8.aarch64.rpm  
cri-o-debugsource-1.23.4-3.rhaos4.10.git8240333.el8.aarch64.rpm

noarch:  
jenkins-2-plugins-4.10.1670851835-1.el8.noarch.rpm

ppc64le:  
cri-o-1.23.4-3.rhaos4.10.git8240333.el8.ppc64le.rpm  
cri-o-debuginfo-1.23.4-3.rhaos4.10.git8240333.el8.ppc64le.rpm  
cri-o-debugsource-1.23.4-3.rhaos4.10.git8240333.el8.ppc64le.rpm

s390x:  
cri-o-1.23.4-3.rhaos4.10.git8240333.el8.s390x.rpm  
cri-o-debuginfo-1.23.4-3.rhaos4.10.git8240333.el8.s390x.rpm  
cri-o-debugsource-1.23.4-3.rhaos4.10.git8240333.el8.s390x.rpm

x86_64:  
cri-o-1.23.4-3.rhaos4.10.git8240333.el8.x86_64.rpm  
cri-o-debuginfo-1.23.4-3.rhaos4.10.git8240333.el8.x86_64.rpm  
cri-o-debugsource-1.23.4-3.rhaos4.10.git8240333.el8.x86_64.rpm

These packages are GPG signed by Red Hat for security.  Our key and  
details on how to verify the signature are available from  
https://access.redhat.com/security/team/key/

7. References:

https://access.redhat.com/security/cve/CVE-2022-29599  
https://access.redhat.com/security/updates/classification/#important

8. Contact:

The Red Hat security contact is <secalert@redhat.com>. More contact  
details at https://access.redhat.com/security/team/contact/

Copyright 2023 Red Hat, Inc.  
-----BEGIN PGP SIGNATURE-----  
Version: GnuPG v1

iQIVAwUBY7X+7tzjgjWX9erEAQiStw//RrekEhCr7UI2jdTiJ+h7tzRuveD+x79F  
6WYOBrDu4hIFaMtHwG9PMmCCWYLzZXJkw2H3rcbaUDjZbCp5dNVEosguq+uIs27y  
b4+J5oTWrBjs8ZWNkjw7+GIS/OMGDIRMulF4VHS71eQzTfkGrLHOgn02jjdI4nRW  
56qANNZKTIlR7eAYw9d+uX2R7ufLbaKGbLORewt6ZS02jx29VnbERbm47i3RhyPH  
m/TEfUjZ3FQBHR9sCAZWGUNeaMcKpl9c+My4Ej/mBVSilI4PqRrkjIeDhXbpW2Ge  
ZDxFMR8Cr1BPUkGWfdTZzSyK2ZDxR7eHYvMXe4kpJoojQYgnZTHEt0KPSRa+D+rV  
pfTC+xl89o/stdRyN7+YcweXpbNt5MWA69MLd1/7nL0hC1IBELG94oay/xEY0r49  
j1pOBLH4Xvc8u2yihzS+HbAF2WOE8JjmjQBVGwvjnSPGBxElXLqABjNobXTXvEpE  
th0gw/3ST+NnPJyLLj1GtVK6GGqiniop39USRtLYnDhSd/jqcgACHpDHp2XDgOMB  
sSJfBtJqoAvLhBOAdnP+cMxL3TcCVaKKAU8GR8KW9i+G5axqy7rgMX9/OiBue8d8  
iVRf5IvrG7Ddtrng0jW+7ncC+uiIaBy5ygX9V51X86iSJTXpHpbCvUNjsQA/5fty  
cSJv4cGPxPE=BgqW  
-----END PGP SIGNATURE-----  
--  
RHSA-announce mailing list  
RHSA-announce@redhat.com  
https://listman.redhat.com/mailman/listinfo/rhsa-announce

Red Hat Security Advisory 2022-9098-01

Red Hat Security Advisory 2023-0021-01 - WebKitGTK is the port of the portable web rendering engine WebKit to the GTK platform. Issues addressed include a code execution vulnerability.

-----BEGIN PGP SIGNED MESSAGE-----  
Hash: SHA256

=====================================================================  
                   Red Hat Security Advisory

Synopsis:          Important: webkit2gtk3 security update  
Advisory ID:       RHSA-2023:0021-01  
Product:           Red Hat Enterprise Linux  
Advisory URL:      https://access.redhat.com/errata/RHSA-2023:0021  
Issue date:        2023-01-04  
CVE Names:         CVE-2022-42856   
=====================================================================

1. Summary:

An update for webkit2gtk3 is now available for Red Hat Enterprise Linux 9.

Red Hat Product Security has rated this update as having a security impact  
of Important. A Common Vulnerability Scoring System (CVSS) base score,  
which gives a detailed severity rating, is available for each vulnerability  
from the CVE link(s) in the References section.

2. Relevant releases/architectures:

Red Hat Enterprise Linux AppStream (v. 9) - aarch64, ppc64le, s390x, x86_64

3. Description:

WebKitGTK is the port of the portable web rendering engine WebKit to the  
GTK platform.

Security Fix(es):

* webkitgtk: processing maliciously crafted web content may lead to an  
arbitrary code execution (CVE-2022-42856)

For more details about the security issue(s), including the impact, a CVSS  
score, acknowledgments, and other related information, refer to the CVE  
page(s) listed in the References section.

4. Solution:

For details on how to apply this update, which includes the changes  
described in this advisory, refer to:

https://access.redhat.com/articles/11258

5. Bugs fixed (https://bugzilla.redhat.com/):

2153683 - CVE-2022-42856 webkitgtk: processing maliciously crafted web content may lead to an arbitrary code execution

6. Package List:

Red Hat Enterprise Linux AppStream (v. 9):

Source:  
webkit2gtk3-2.36.7-1.el9_1.1.src.rpm

aarch64:  
webkit2gtk3-2.36.7-1.el9_1.1.aarch64.rpm  
webkit2gtk3-debuginfo-2.36.7-1.el9_1.1.aarch64.rpm  
webkit2gtk3-debugsource-2.36.7-1.el9_1.1.aarch64.rpm  
webkit2gtk3-devel-2.36.7-1.el9_1.1.aarch64.rpm  
webkit2gtk3-devel-debuginfo-2.36.7-1.el9_1.1.aarch64.rpm  
webkit2gtk3-jsc-2.36.7-1.el9_1.1.aarch64.rpm  
webkit2gtk3-jsc-debuginfo-2.36.7-1.el9_1.1.aarch64.rpm  
webkit2gtk3-jsc-devel-2.36.7-1.el9_1.1.aarch64.rpm  
webkit2gtk3-jsc-devel-debuginfo-2.36.7-1.el9_1.1.aarch64.rpm

ppc64le:  
webkit2gtk3-2.36.7-1.el9_1.1.ppc64le.rpm  
webkit2gtk3-debuginfo-2.36.7-1.el9_1.1.ppc64le.rpm  
webkit2gtk3-debugsource-2.36.7-1.el9_1.1.ppc64le.rpm  
webkit2gtk3-devel-2.36.7-1.el9_1.1.ppc64le.rpm  
webkit2gtk3-devel-debuginfo-2.36.7-1.el9_1.1.ppc64le.rpm  
webkit2gtk3-jsc-2.36.7-1.el9_1.1.ppc64le.rpm  
webkit2gtk3-jsc-debuginfo-2.36.7-1.el9_1.1.ppc64le.rpm  
webkit2gtk3-jsc-devel-2.36.7-1.el9_1.1.ppc64le.rpm  
webkit2gtk3-jsc-devel-debuginfo-2.36.7-1.el9_1.1.ppc64le.rpm

s390x:  
webkit2gtk3-2.36.7-1.el9_1.1.s390x.rpm  
webkit2gtk3-debuginfo-2.36.7-1.el9_1.1.s390x.rpm  
webkit2gtk3-debugsource-2.36.7-1.el9_1.1.s390x.rpm  
webkit2gtk3-devel-2.36.7-1.el9_1.1.s390x.rpm  
webkit2gtk3-devel-debuginfo-2.36.7-1.el9_1.1.s390x.rpm  
webkit2gtk3-jsc-2.36.7-1.el9_1.1.s390x.rpm  
webkit2gtk3-jsc-debuginfo-2.36.7-1.el9_1.1.s390x.rpm  
webkit2gtk3-jsc-devel-2.36.7-1.el9_1.1.s390x.rpm  
webkit2gtk3-jsc-devel-debuginfo-2.36.7-1.el9_1.1.s390x.rpm

x86_64:  
webkit2gtk3-2.36.7-1.el9_1.1.i686.rpm  
webkit2gtk3-2.36.7-1.el9_1.1.x86_64.rpm  
webkit2gtk3-debuginfo-2.36.7-1.el9_1.1.i686.rpm  
webkit2gtk3-debuginfo-2.36.7-1.el9_1.1.x86_64.rpm  
webkit2gtk3-debugsource-2.36.7-1.el9_1.1.i686.rpm  
webkit2gtk3-debugsource-2.36.7-1.el9_1.1.x86_64.rpm  
webkit2gtk3-devel-2.36.7-1.el9_1.1.i686.rpm  
webkit2gtk3-devel-2.36.7-1.el9_1.1.x86_64.rpm  
webkit2gtk3-devel-debuginfo-2.36.7-1.el9_1.1.i686.rpm  
webkit2gtk3-devel-debuginfo-2.36.7-1.el9_1.1.x86_64.rpm  
webkit2gtk3-jsc-2.36.7-1.el9_1.1.i686.rpm  
webkit2gtk3-jsc-2.36.7-1.el9_1.1.x86_64.rpm  
webkit2gtk3-jsc-debuginfo-2.36.7-1.el9_1.1.i686.rpm  
webkit2gtk3-jsc-debuginfo-2.36.7-1.el9_1.1.x86_64.rpm  
webkit2gtk3-jsc-devel-2.36.7-1.el9_1.1.i686.rpm  
webkit2gtk3-jsc-devel-2.36.7-1.el9_1.1.x86_64.rpm  
webkit2gtk3-jsc-devel-debuginfo-2.36.7-1.el9_1.1.i686.rpm  
webkit2gtk3-jsc-devel-debuginfo-2.36.7-1.el9_1.1.x86_64.rpm

These packages are GPG signed by Red Hat for security.  Our key and  
details on how to verify the signature are available from  
https://access.redhat.com/security/team/key/

7. References:

https://access.redhat.com/security/cve/CVE-2022-42856  
https://access.redhat.com/security/updates/classification/#important

8. Contact:

The Red Hat security contact is <secalert@redhat.com>. More contact  
details at https://access.redhat.com/security/team/contact/

Copyright 2023 Red Hat, Inc.  
-----BEGIN PGP SIGNATURE-----  
Version: GnuPG v1

iQIVAwUBY7Wqj9zjgjWX9erEAQg9lg/+MOfUiSATG58e1aJdZzVtFA5hv1x1PWC3  
/F+rP2/89vYYk/PLOSjySGdelAEYgw7Uq8UW6sPMkleTRvyakUaYhE9joubGcYNM  
XKAtZDbLVGVzQxEggI7VxHRaFZvyMNWItb8SKloiD14EPuuI/W32g9Seep3L6xZ3  
ufdqgmCyVLILPRMREXYZgfYo0PsJqLL0qOwfL4KWhh6BDQpgdLvndjWzbfZiVKzO  
Rnr/x7o62SiEtgcSCCowoR35/NEJkzoCnbrD91UlgFUKby1siTbSr1KItPbP1y7L  
QiWSOBWph5pVZHKAiThYFHmGNbL04s10D3gVhB+MKZ+6AO/NjdmlU27Rg49ps9GV  
yLam6qcuWhNKbMafeOHleBeTRizSWmnKVefOWil/2FnNnzFhcEKJ3dILzjXIQSB/  
WyFAUqYG8qkha2buYpx4zEjq20jLngQQ/s00fDAnJlsjasMhyBLSGy+fvgmaQ6wN  
xs7gYg9+ouhnA3qJytkcQXj9Qaryvf9YmmY6uBLa7F5BUwtJ/w3E9n4pVFNmqEFq  
GD1SabvR9BfwO/7wQgyIBKSFMSRUtXpGV1MZp+FaQFKgJ/7Bgh0wNOy2t5MstPEf  
jvzsYdVUFZRfYwUNMNyA7Vsm6E2cnE52cLNEKuBxRdESAO11qrNzPIkYaF9DTmW3  
jFzs9D1IFKw=  
=FE4s  
-----END PGP SIGNATURE-----  
--  
RHSA-announce mailing list  
RHSA-announce@redhat.com  
https://listman.redhat.com/mailman/listinfo/rhsa-announce

Red Hat Security Advisory 2023-0021-01

GPAC MP4box 2.1-DEV-rev574-g9d5bb184b is vulnerable to Buffer overflow in hevc_parse_vps_extension function of media_tools/av_parsers.c

Thanks for reporting your issue. Please make sure these boxes are checked before submitting your issue - thank you!

*   I looked for a similar issue and couldn't find any.
*   I tried with the latest version of GPAC. Installers available at http://gpac.io/downloads/gpac-nightly-builds/
*   I give enough information for contributors to reproduce my issue (meaningful title, github labels, platform and compiler, command-line ...). I can share files anonymously with this dropbox: https://www.mediafire.com/filedrop/filedrop\_hosted.php?drop=eec9e058a9486fe4e99c33021481d9e1826ca9dbc242a6cfaab0fe95da5e5d95

Detailed guidelines: http://gpac.io/2013/07/16/how-to-file-a-bug-properly/

**Description**

Buffer overflow in hevc\_parse\_vps\_extension function of media\_tools/av\_parsers.c

for (i = 0; i < (num\_scalability\_types - splitting\_flag); i++) {
  dimension\_id\_len\[i\] = 1 + gf\_bs\_read\_int\_log\_idx(bs, 3, "dimension\_id\_len\_minus1", i); // overflow at dimension\_id\_len
}

**Version info**

    MP4Box - GPAC version 2.1-DEV-rev574-g9d5bb184b-master
    (c) 2000-2022 Telecom Paris distributed under LGPL v2.1+ - http://gpac.io
    
    Please cite our work in your research:
    	GPAC Filters: https://doi.org/10.1145/3339825.3394929
    	GPAC: https://doi.org/10.1145/1291233.1291452
    
    GPAC Configuration: --enable-sanitizer
    Features: GPAC_CONFIG_LINUX GPAC_64_BITS GPAC_HAS_IPV6 GPAC_HAS_SSL GPAC_HAS_SOCK_UN GPAC_MINIMAL_ODF GPAC_HAS_QJS GPAC_HAS_LINUX_DVB  GPAC_DISABLE_3D
    

**Reproduce**

compile and run

    ./configure --enable-sanitizer
    make
    ./MP4Box import -add poc_bof6.mp4
    

Crash reported by sanitizer

    [Core] exp-golomb read failed, not enough bits in bitstream !
    [HEVC] Warning: Error parsing NAL unit
    media_tools/av_parsers.c:7633:19: runtime error: index 16 out of bounds for type 'u8 [16]'
    

**POC**

poc\_bof6.zip

**Impact**

Potentially causing DoS and RCE

**Credit**

Xdchase

CVE-2022-47095: Buffer overflow in hevc_parse_vps_extension function of media_tools/av_parsers.c · Issue #2346 · gpac/gpac

GPAC MP4box 2.1-DEV-rev574-g9d5bb184b is vulnerable to Buffer Overflow in gf_text_process_sub function of filters/load_text.c

Thanks for reporting your issue. Please make sure these boxes are checked before submitting your issue - thank you!

*   I looked for a similar issue and couldn't find any.
*   I tried with the latest version of GPAC. Installers available at http://gpac.io/downloads/gpac-nightly-builds/
*   I give enough information for contributors to reproduce my issue (meaningful title, github labels, platform and compiler, command-line ...). I can share files anonymously with this dropbox: https://www.mediafire.com/filedrop/filedrop\_hosted.php?drop=eec9e058a9486fe4e99c33021481d9e1826ca9dbc242a6cfaab0fe95da5e5d95

Detailed guidelines: http://gpac.io/2013/07/16/how-to-file-a-bug-properly/

**Description**

Buffer overflow in gf\_text\_process\_sub function of filters/load\_text.c

while (szLine\[i+1+j\] && szLine\[i+1+j\]!='}') {
	szTime\[i\] = szLine\[i+1+j\]; // overflow at szTime
	i++;
}

**Version info**

    MP4Box - GPAC version 2.1-DEV-rev574-g9d5bb184b-master
    (c) 2000-2022 Telecom Paris distributed under LGPL v2.1+ - http://gpac.io
    
    Please cite our work in your research:
    	GPAC Filters: https://doi.org/10.1145/3339825.3394929
    	GPAC: https://doi.org/10.1145/1291233.1291452
    
    GPAC Configuration: --enable-sanitizer
    Features: GPAC_CONFIG_LINUX GPAC_64_BITS GPAC_HAS_IPV6 GPAC_HAS_SSL GPAC_HAS_SOCK_UN GPAC_MINIMAL_ODF GPAC_HAS_QJS GPAC_HAS_LINUX_DVB  GPAC_DISABLE_3D
    

**Reproduce**

compile and run

    ./configure --enable-sanitizer
    make
    ./MP4Box import -add poc_bof5.avi
    

Crash reported by sanitizer

    Track Importing Timed Text - Text track 400 x 60 font Serif (size 18) layer 0
    [TXTIn] Bad SUB file - expecting "{" got "{"
    [TXTIn] corrupted SUB frame (line 2) - ends (at 0 ms) before start of current frame (6 ms) - skipping
    filters/load_text.c:2569:10: runtime error: index 20 out of bounds for type 'char [20]'
    

**POC**

poc\_bof5.zip

**Impact**

Potentially causing DoS and RCE

**Credit**

Xdchase

CVE-2022-47091: Buffer overflow in gf_text_process_sub function of filters/load_text.c · Issue #2343 · gpac/gpac

GPAC MP4box 2.1-DEV-rev574-g9d5bb184b is contains an Integer overflow vulnerability in gf_hevc_read_sps_bs_internal function of media_tools/av_parsers.c:8316

Thanks for reporting your issue. Please make sure these boxes are checked before submitting your issue - thank you!

Integer overflow in gf\_hevc\_read\_sps\_bs\_internal function of media\_tools/av\_parsers.c:8316

    MP4Box - GPAC version 2.1-DEV-rev574-g9d5bb184b-master
    (c) 2000-2022 Telecom Paris distributed under LGPL v2.1+ - http://gpac.io
    
    Please cite our work in your research:
    	GPAC Filters: https://doi.org/10.1145/3339825.3394929
    	GPAC: https://doi.org/10.1145/1291233.1291452
    
    GPAC Configuration: --enable-sanitizer
    Features: GPAC_CONFIG_LINUX GPAC_64_BITS GPAC_HAS_IPV6 GPAC_HAS_SSL GPAC_HAS_SOCK_UN GPAC_MINIMAL_ODF GPAC_HAS_QJS GPAC_HAS_LINUX_DVB  GPAC_DISABLE_3D
    

    ./configure --enable-sanitizer
    make
    ./MP4Box import -add poc_int.mov
    

    [Core] exp-golomb read failed, not enough bits in bitstream !
    [HEVC] Warning: Error parsing NAL unit
    media_tools/av_parsers.c:8316:25: runtime error: shift exponent 146 is too large for 32-bit type 'int'

Tag

#js