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SUSE SLED15 / SLES15 Security Update : ffmpeg (SUSE-SU-2021:3193-1)

critical Nessus Plugin ID 170506

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Synopsis

The remote SUSE host is missing a security update.

Description

The remote SUSE Linux SLED15 / SLED_SAP15 / SLES15 / SLES_SAP15 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2021:3193-1 advisory.

 - adts_decode_extradata in libavformat/adtsenc.c in FFmpeg 4.4 does not check the init_get_bits return value, which is a necessary step because the second argument to init_get_bits can be crafted.
 (CVE-2021-38171)

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

Solution

Update the affected packages.

See Also

https://bugzilla.suse.com/1189724

https://www.suse.com/security/cve/CVE-2021-38171

http://www.nessus.org/u?11a2316f

Plugin Details

Severity: Critical

ID: 170506

File Name: suse_SU-2021-3193-1.nasl

Version: 1.2

Type: local

Agent: unix

Published: 1/24/2023

Updated: 7/13/2023

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS Score Source: CVE-2021-38171

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:libswscale-devel, p-cpe:/a:novell:suse_linux:libavutil55, p-cpe:/a:novell:suse_linux:libswresample-devel, p-cpe:/a:novell:suse_linux:libavformat-devel, p-cpe:/a:novell:suse_linux:libswresample2, p-cpe:/a:novell:suse_linux:libswscale4, p-cpe:/a:novell:suse_linux:libavresample3-32bit, p-cpe:/a:novell:suse_linux:libavresample3, p-cpe:/a:novell:suse_linux:libavcodec-devel, p-cpe:/a:novell:suse_linux:libpostproc54, p-cpe:/a:novell:suse_linux:libavcodec57, p-cpe:/a:novell:suse_linux:libavutil-devel, p-cpe:/a:novell:suse_linux:libavresample-devel, p-cpe:/a:novell:suse_linux:libavformat57, p-cpe:/a:novell:suse_linux:libpostproc-devel, cpe:/o:novell:suse_linux:15

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/SuSE/release, Host/SuSE/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 9/23/2021

Vulnerability Publication Date: 8/21/2021

Reference Information

CVE: CVE-2021-38171

SuSE: SUSE-SU-2021:3193-1