Headline

CVE-2022-36190: Heap Use After Free in function gf_isom_dovi_config_get · Issue #2220 · gpac/gpac

GPAC mp4box 2.1-DEV-revUNKNOWN-master has a use-after-free vulnerability in function gf_isom_dovi_config_get. This vulnerability was fixed in commit fef6242.

2 years ago

CVE

Open in Source

#vulnerability #ubuntu #linux #js #git #php #c++#perl #ssl

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

Heap use after free in fuction gf_isom_dovi_config_get located in isomedia/avc_ext.c:2490

System info

ubuntu 20.04 lts

version info:

 ./MP4Box -version
MP4Box - GPAC version 2.1-DEV-revUNKNOWN-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

compile

./configure --enable-sanitizer 
make

crash command:
./MP4Box -info poc

poc :
poc.zip

Crash output:

[iso file] Unknown box type mp4u in parent stsd
[iso file] extra box maxr found in hinf, deleting
[iso file] extra box maxr found in hinf, deleting
[iso file] Unknown box type 80rak in parent moov
[iso file] Unknown box type drzf in parent dinf
[iso file] Missing dref box in dinf
[iso file] Incomplete box mdat - start 11495 size 853076
[iso file] Incomplete file while reading for dump - aborting parsing
# Movie Info - 5 tracks - TimeScale 90000
Duration 00:00:22.839 (recomputed 00:00:22.848)
Fragmented: no
Progressive (moov before mdat)
Major Brand isom - version 1 - compatible brands:
Created: GMT Wed Sep 14 06:08:31 2078
Modified: GMT Wed Sep 14 06:08:33 2078

File has root IOD (96 bytes)
Scene PL 0xff - Graphics PL 0xff - OD PL 0xff
Visual PL: Simple Profile @ Level 1 (0x01)
Audio PL: High Quality Audio Profile @ Level 2 (0x0f)
1 UDTA types: 
    hnti: 

# Track 1 Info - ID 1 - TimeScale 90000
Media Duration 00:00:22.800 
Track flags: Enabled
Media Info: Language "Undetermined (und)" - Type "vide:mp4u" - 342 samples
Visual Sample Entry Info: width=176 height=144 (depth=24 bits)
Visual Track layout: x=0 y=0 width=176 height=144
=================================================================
==2234976==ERROR: AddressSanitizer: heap-use-after-free on address 0x60f000000130 at pc 0x7fbba822fbc0 bp 0x7ffe87b46740 sp 0x7ffe87b46730
READ of size 8 at 0x60f000000130 thread T0
    #0 0x7fbba822fbbf in gf_isom_dovi_config_get isomedia/avc_ext.c:2490
    #1 0x55f3db03107a in DumpTrackInfo /home/fuzz/gpac2.1/gpac/applications/mp4box/filedump.c:2862
    #2 0x55f3db03ea17 in DumpMovieInfo /home/fuzz/gpac2.1/gpac/applications/mp4box/filedump.c:3994
    #3 0x55f3db012ad0 in mp4box_main /home/fuzz/gpac2.1/gpac/applications/mp4box/mp4box.c:6367
    #4 0x7fbba58ed082 in __libc_start_main ../csu/libc-start.c:308
    #5 0x55f3dafe7afd in _start (/home/fuzz/gpac2.1/gpac/bin/gcc/MP4Box+0xa2afd)

0x60f000000130 is located 0 bytes inside of 168-byte region [0x60f000000130,0x60f0000001d8)
freed by thread T0 here:
    #0 0x7fbbab63440f in __interceptor_free ../../../../src/libsanitizer/asan/asan_malloc_linux.cc:122
    #1 0x7fbba825252d in unkn_box_read isomedia/box_code_base.c:793
    #2 0x7fbba83015e3 in gf_isom_box_read isomedia/box_funcs.c:1860
    #3 0x7fbba83015e3 in gf_isom_box_parse_ex isomedia/box_funcs.c:271
    #4 0x7fbba830615a in gf_isom_box_array_read isomedia/box_funcs.c:1753
    #5 0x7fbba82524fb in unkn_box_read isomedia/box_code_base.c:789
    #6 0x7fbba83015e3 in gf_isom_box_read isomedia/box_funcs.c:1860
    #7 0x7fbba83015e3 in gf_isom_box_parse_ex isomedia/box_funcs.c:271
    #8 0x7fbba830615a in gf_isom_box_array_read isomedia/box_funcs.c:1753
    #9 0x7fbba82524fb in unkn_box_read isomedia/box_code_base.c:789
    #10 0x7fbba83015e3 in gf_isom_box_read isomedia/box_funcs.c:1860
    #11 0x7fbba83015e3 in gf_isom_box_parse_ex isomedia/box_funcs.c:271
    #12 0x7fbba830615a in gf_isom_box_array_read isomedia/box_funcs.c:1753
    #13 0x7fbba82524fb in unkn_box_read isomedia/box_code_base.c:789
    #14 0x7fbba83015e3 in gf_isom_box_read isomedia/box_funcs.c:1860
    #15 0x7fbba83015e3 in gf_isom_box_parse_ex isomedia/box_funcs.c:271
    #16 0x7fbba830615a in gf_isom_box_array_read isomedia/box_funcs.c:1753
    #17 0x7fbba83015e3 in gf_isom_box_read isomedia/box_funcs.c:1860
    #18 0x7fbba83015e3 in gf_isom_box_parse_ex isomedia/box_funcs.c:271
    #19 0x7fbba8302a35 in gf_isom_parse_root_box isomedia/box_funcs.c:38
    #20 0x7fbba832babc in gf_isom_parse_movie_boxes_internal isomedia/isom_intern.c:373
    #21 0x7fbba8331c2f in gf_isom_parse_movie_boxes isomedia/isom_intern.c:860
    #22 0x7fbba8331c2f in gf_isom_open_file isomedia/isom_intern.c:980
    #23 0x55f3db00c549 in mp4box_main /home/fuzz/gpac2.1/gpac/applications/mp4box/mp4box.c:6181
    #24 0x7fbba58ed082 in __libc_start_main ../csu/libc-start.c:308

previously allocated by thread T0 here:
    #0 0x7fbbab634808 in __interceptor_malloc ../../../../src/libsanitizer/asan/asan_malloc_linux.cc:144
    #1 0x7fbba82521ef in unkn_box_read isomedia/box_code_base.c:768
    #2 0x7fbba83015e3 in gf_isom_box_read isomedia/box_funcs.c:1860
    #3 0x7fbba83015e3 in gf_isom_box_parse_ex isomedia/box_funcs.c:271
    #4 0x7fbba830615a in gf_isom_box_array_read isomedia/box_funcs.c:1753
    #5 0x7fbba82524fb in unkn_box_read isomedia/box_code_base.c:789
    #6 0x7fbba83015e3 in gf_isom_box_read isomedia/box_funcs.c:1860
    #7 0x7fbba83015e3 in gf_isom_box_parse_ex isomedia/box_funcs.c:271
    #8 0x7fbba830615a in gf_isom_box_array_read isomedia/box_funcs.c:1753
    #9 0x7fbba82524fb in unkn_box_read isomedia/box_code_base.c:789
    #10 0x7fbba83015e3 in gf_isom_box_read isomedia/box_funcs.c:1860
    #11 0x7fbba83015e3 in gf_isom_box_parse_ex isomedia/box_funcs.c:271
    #12 0x7fbba830615a in gf_isom_box_array_read isomedia/box_funcs.c:1753
    #13 0x7fbba82524fb in unkn_box_read isomedia/box_code_base.c:789
    #14 0x7fbba83015e3 in gf_isom_box_read isomedia/box_funcs.c:1860
    #15 0x7fbba83015e3 in gf_isom_box_parse_ex isomedia/box_funcs.c:271
    #16 0x7fbba830615a in gf_isom_box_array_read isomedia/box_funcs.c:1753
    #17 0x7fbba83015e3 in gf_isom_box_read isomedia/box_funcs.c:1860
    #18 0x7fbba83015e3 in gf_isom_box_parse_ex isomedia/box_funcs.c:271
    #19 0x7fbba8302a35 in gf_isom_parse_root_box isomedia/box_funcs.c:38
    #20 0x7fbba832babc in gf_isom_parse_movie_boxes_internal isomedia/isom_intern.c:373
    #21 0x7fbba8331c2f in gf_isom_parse_movie_boxes isomedia/isom_intern.c:860
    #22 0x7fbba8331c2f in gf_isom_open_file isomedia/isom_intern.c:980
    #23 0x55f3db00c549 in mp4box_main /home/fuzz/gpac2.1/gpac/applications/mp4box/mp4box.c:6181
    #24 0x7fbba58ed082 in __libc_start_main ../csu/libc-start.c:308

SUMMARY: AddressSanitizer: heap-use-after-free isomedia/avc_ext.c:2490 in gf_isom_dovi_config_get
Shadow bytes around the buggy address:
  0x0c1e7fff7fd0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  0x0c1e7fff7fe0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  0x0c1e7fff7ff0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  0x0c1e7fff8000: fa fa fa fa fa fa fa fa 00 00 00 00 00 00 00 00
  0x0c1e7fff8010: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fa fa
=>0x0c1e7fff8020: fa fa fa fa fa fa[fd]fd fd fd fd fd fd fd fd fd
  0x0c1e7fff8030: fd fd fd fd fd fd fd fd fd fd fd fa fa fa fa fa
  0x0c1e7fff8040: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
  0x0c1e7fff8050: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
  0x0c1e7fff8060: fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa fa
  0x0c1e7fff8070: 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
==2234976==ABORTING

Impact

can cause a program to crash, use unexpected values, or execute code.

Occurrences:
avc_ext.c:2490

ps: this test was still based on the newest mp4box+asan. The bug happened in avc_ext.c:2490 which was the same location with the other issue i submitted (#2218). Maybe asan mistakenly reports “heap-use-after-free” instead of "heap-buffer-overflow". Pls check it again.

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