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.

The remote host is affected by the vulnerability described in GLSA-202003-65 (FFmpeg: Multiple vulnerabilities)

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

    A remote attacker could entice a user or automated system using FFmpeg       to process a specially crafted file, resulting in the execution of       arbitrary code or a Denial of Service.
  Workaround :

    There is no known workaround at this time.

The remote Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-4431-1 advisory.

    It was discovered that FFmpeg incorrectly verified empty audio packets or HEVC data. An attacker could     possibly use this issue to cause a denial of service via a crafted file. This issue only affected Ubuntu     16.04 LTS, as it was already fixed in Ubuntu 18.04 LTS. For more information see:
    https://usn.ubuntu.com/usn/usn-3967-1 (CVE-2018-15822, CVE-2019-11338)

    It was discovered that FFmpeg incorrectly handled sscanf failures. An attacker could possibly use this     issue to cause a denial of service or other unspecified impact. This issue only affected Ubuntu 16.04 LTS     and Ubuntu 18.04 LTS. (CVE-2019-12730)

    It was discovered that FFmpeg incorrectly handled certain WEBM files. An attacker could possibly use this     issue to obtain sensitive data or other unspecified impact. This issue only affected Ubuntu 20.04 LTS.
    (CVE-2019-13312)

    It was discovered that FFmpeg incorrectly handled certain AVI files. An attacker could possibly use this     issue to cause a denial of service or other unspecified impact. This issue only affected Ubuntu 16.04 LTS     and Ubuntu 18.04 LTS. (CVE-2019-13390)

    It was discovered that FFmpeg incorrectly handled certain input. An attacker could possibly use this issue     to cause a denial of service or other unspecified impact. This issue only affected Ubuntu 18.04 LTS.
    (CVE-2019-17539)

    It was discovered that FFmpeg incorrectly handled certain input during decoding of VQA files. An attacker     could possibly use this issue to obtain sensitive information or other unspecified impact. This issue only     affected Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. (CVE-2019-17542)

    It was discovered that FFmpeg incorrectly handled certain JPEG files. An attacker could possibly use this     issue to obtain sensitive information or other unspecified impact. This issue only affected Ubuntu 20.04     LTS. (CVE-2020-12284)

    It was discovered that FFmpeg incorrectly handled certain M3U8 files. An attacker could possibly use this     issue to obtain sensitive information or other unspecified impact. (CVE-2020-13904)

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

This update for ffmpeg fixes the following issues :

Security issues fixed :

CVE-2019-17542: Fixed a heap-buffer overflow in vqa_decode_chunk due to an out-of-array access (bsc#1154064).

CVE-2019-12730: Fixed an uninitialized use of variables due to an improper check (bsc#1137526).

CVE-2019-9718: Fixed a denial of service in the subtitle decode (bsc#1129715).

CVE-2018-13301: Fixed a denial of service while converting a crafted AVI file to MPEG4 (bsc#1100352).

Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

This update for ffmpeg fixes the following issues :

Security issues fixed: CVE-2019-17542: Fixed a heap-buffer overflow in vqa_decode_chunk due to an out-of-array access (bsc#1154064).

CVE-2019-12730: Fixed an uninitialized use of variables due to an improper check (bsc#1137526).

CVE-2019-9718: Fixed a denial of service in the subtitle decode (bsc#1129715).

CVE-2018-13301: Fixed a denial of service while converting a crafted AVI file to MPEG4 (bsc#1100352).

Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

ID	Name	Product	Family	Published	Updated	Severity
127929	Debian DSA-4502-1 : ffmpeg - security update	Nessus	Debian Local Security Checks	8/20/2019	5/2/2024	critical
135020	GLSA-202003-65 : FFmpeg: Multiple vulnerabilities	Nessus	Gentoo Local Security Checks	3/31/2020	3/20/2024	critical
138875	Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS : FFmpeg vulnerabilities (USN-4431-1)	Nessus	Ubuntu Local Security Checks	7/23/2020	8/27/2024	critical
131756	SUSE SLED15 / SLES15 Security Update : ffmpeg (SUSE-SU-2019:3184-1)	Nessus	SuSE Local Security Checks	12/6/2019	4/5/2024	critical
138253	SUSE SLED15 / SLES15 Security Update : ffmpeg (SUSE-SU-2019:3184-2)	Nessus	SuSE Local Security Checks	7/9/2020	12/7/2020	critical

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