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Gentoo Linux Security Advisory 202312-14

Gentoo Linux Security Advisory 202312-14 - Multiple vulnerabilities have been discovered in FFmpeg, the worst of which could lead to code execution. Versions greater than or equal to 6.0 are affected.

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Gentoo Linux Security Advisory GLSA 202312-14


                                       https://security.gentoo.org/  

Severity: High
Title: FFmpeg: Multiple Vulnerabilities
Date: December 23, 2023
Bugs: #795696, #842267, #881523, #903805
ID: 202312-14


Synopsis

Multiple vulnerabilitiies have been discovered in FFmpeg, the worst of
which could lead to code execution

Background

FFmpeg is a complete solution to record, convert and stream audio and
video.

Affected packages

Package Vulnerable Unaffected


media-video/ffmpeg < 6.0 >= 6.0

Description

Multiple vulnerabilities have been discovered in FFmpeg. Please review
the CVE identifiers referenced below for details.

Impact

Please review the referenced CVE identifiers for details.

Workaround

There is no known workaround at this time.

Resolution

All FFmpeg 4 users should upgrade to the latest version:

emerge --sync

emerge --ask --oneshot --verbose “>=media-video/ffmpeg-4.4.3”

All FFmpeg 6 users should upgrade to the latest version:

emerge --sync

emerge --ask --oneshot --verbose “>=media-video/ffmpeg-6.0”

References

[ 1 ] CVE-2021-33815
https://nvd.nist.gov/vuln/detail/CVE-2021-33815
[ 2 ] CVE-2021-38171
https://nvd.nist.gov/vuln/detail/CVE-2021-38171
[ 3 ] CVE-2021-38291
https://nvd.nist.gov/vuln/detail/CVE-2021-38291
[ 4 ] CVE-2022-1475
https://nvd.nist.gov/vuln/detail/CVE-2022-1475
[ 5 ] CVE-2022-3964
https://nvd.nist.gov/vuln/detail/CVE-2022-3964
[ 6 ] CVE-2022-3965
https://nvd.nist.gov/vuln/detail/CVE-2022-3965
[ 7 ] CVE-2022-48434
https://nvd.nist.gov/vuln/detail/CVE-2022-48434

Availability

This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

https://security.gentoo.org/glsa/202312-14

Concerns?

Security is a primary focus of Gentoo Linux and ensuring the
confidentiality and security of our users’ machines is of utmost
importance to us. Any security concerns should be addressed to
[email protected] or alternatively, you may file a bug at
https://bugs.gentoo.org.

License

Copyright 2023 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).

The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.

https://creativecommons.org/licenses/by-sa/2.5

Related news

Debian Security Advisory 5721-1

Debian Linux Security Advisory 5721-1 - Several vulnerabilities have been discovered in the FFmpeg multimedia framework, which could result in denial of service or potentially the execution of arbitrary code if malformed files/streams are processed.

Ubuntu Security Notice USN-6449-2

Ubuntu Security Notice 6449-2 - USN-6449-1 fixed vulnerabilities in FFmpeg. Unfortunately that update could introduce a regression in tools using an FFmpeg library, like VLC. This updated fixes the problem. It was discovered that FFmpeg incorrectly managed memory resulting in a memory leak. An attacker could possibly use this issue to cause a denial of service via application crash. This issue only affected Ubuntu 18.04 LTS and Ubuntu 20.04 LTS.

Ubuntu Security Notice USN-6449-1

Ubuntu Security Notice 6449-1 - It was discovered that FFmpeg incorrectly managed memory resulting in a memory leak. An attacker could possibly use this issue to cause a denial of service via application crash. This issue only affected Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. It was discovered that FFmpeg incorrectly handled certain input files, leading to an integer overflow. An attacker could possibly use this issue to cause a denial of service via application crash. This issue only affected Ubuntu 20.04 LTS.

CVE-2022-48434

libavcodec/pthread_frame.c in FFmpeg before 5.1.2, as used in VLC and other products, leaves stale hwaccel state in worker threads, which allows attackers to trigger a use-after-free and execute arbitrary code in some circumstances (e.g., hardware re-initialization upon a mid-video SPS change when Direct3D11 is used).

Ubuntu Security Notice USN-5958-1

Ubuntu Security Notice 5958-1 - It was discovered that FFmpeg could be made to dereference a null pointer. An attacker could possibly use this to cause a denial of service via application crash. These issues only affected Ubuntu 16.04 ESM, Ubuntu 18.04 LTS, Ubuntu 20.04 LTS and Ubuntu 22.04 LTS. It was discovered that FFmpeg could be made to access an out-of-bounds frame by the Apple RPZA encoder. An attacker could possibly use this to cause a denial of service via application crash or access sensitive information. This issue only affected Ubuntu 20.04 LTS and Ubuntu 22.10.

Ubuntu Security Notice USN-5958-1

Ubuntu Security Notice 5958-1 - It was discovered that FFmpeg could be made to dereference a null pointer. An attacker could possibly use this to cause a denial of service via application crash. These issues only affected Ubuntu 16.04 ESM, Ubuntu 18.04 LTS, Ubuntu 20.04 LTS and Ubuntu 22.04 LTS. It was discovered that FFmpeg could be made to access an out-of-bounds frame by the Apple RPZA encoder. An attacker could possibly use this to cause a denial of service via application crash or access sensitive information. This issue only affected Ubuntu 20.04 LTS and Ubuntu 22.10.

CVE-2022-3964: git.ffmpeg.org Git - ffmpeg.git/commit

A vulnerability classified as problematic has been found in ffmpeg. This affects an unknown part of the file libavcodec/rpzaenc.c of the component QuickTime RPZA Video Encoder. The manipulation of the argument y_size leads to out-of-bounds read. It is possible to initiate the attack remotely. The name of the patch is 92f9b28ed84a77138105475beba16c146bdaf984. It is recommended to apply a patch to fix this issue. The associated identifier of this vulnerability is VDB-213543.

CVE-2022-3965: git.ffmpeg.org Git - ffmpeg.git/commit

A vulnerability classified as problematic was found in ffmpeg. This vulnerability affects the function smc_encode_stream of the file libavcodec/smcenc.c of the component QuickTime Graphics Video Encoder. The manipulation of the argument y_size leads to out-of-bounds read. The attack can be initiated remotely. The name of the patch is 13c13109759090b7f7182480d075e13b36ed8edd. It is recommended to apply a patch to fix this issue. The identifier of this vulnerability is VDB-213544.

Ubuntu Security Notice USN-5472-1

Ubuntu Security Notice 5472-1 - It was discovered that FFmpeg would attempt to divide by zero when using Linear Predictive Coding or AAC codecs. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS and Ubuntu 21.10. It was discovered that FFmpeg incorrectly handled certain input. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS and Ubuntu 21.10.

Ubuntu Security Notice USN-5472-1

Ubuntu Security Notice 5472-1 - It was discovered that FFmpeg would attempt to divide by zero when using Linear Predictive Coding or AAC codecs. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS and Ubuntu 21.10. It was discovered that FFmpeg incorrectly handled certain input. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS and Ubuntu 21.10.

Ubuntu Security Notice USN-5472-1

Ubuntu Security Notice 5472-1 - It was discovered that FFmpeg would attempt to divide by zero when using Linear Predictive Coding or AAC codecs. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS and Ubuntu 21.10. It was discovered that FFmpeg incorrectly handled certain input. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS and Ubuntu 21.10.

CVE-2022-1475: #9651 (Assertion next >= 0 || pc->buffer failed at libavcodec/parser.c:240) – FFmpeg

An integer overflow vulnerability was found in FFmpeg versions before 4.4.2 and before 5.0.1 in g729_parse() in llibavcodec/g729_parser.c when processing a specially crafted file.

CVE-2022-22988: WDC-22003 EdgeRover Desktop App Version 1.5.0-576 | Western Digital

File and directory permissions have been corrected to prevent unintended users from modifying or accessing resources. It would be more difficult for an authenticated attacker to now traverse through the files and directories. This can only be exploited once an attacker has already found a way to get authenticated access to the device. 

CVE-2022-22988: WDC-22003 EdgeRover Desktop App Version 1.5.0-576 | Western Digital

File and directory permissions have been corrected to prevent unintended users from modifying or accessing resources. It would be more difficult for an authenticated attacker to now traverse through the files and directories. This can only be exploited once an attacker has already found a way to get authenticated access to the device. 

CVE-2021-38291: #9312 (assertion failed in av_rescale_delta) – FFmpeg

FFmpeg version (git commit de8e6e67e7523e48bb27ac224a0b446df05e1640) suffers from a an assertion failure at src/libavutil/mathematics.c.

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