CVE-2021-38171

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.

CVSS v3.0 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3.0 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

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

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://github.com/FFmpeg/FFmpeg/commit/9ffa49496d1aae4cbbb387aac28a9e061a6ab0a6	Patch Third Party Advisory
https://patchwork.ffmpeg.org/project/ffmpeg/patch/AS8P193MB12542A86E22F8207EC971930B6F19@AS8P193MB1254.EURP193.PROD.OUTLOOK.COM/	Patch Third Party Advisory
https://www.debian.org/security/2021/dsa-4990	Third Party Advisory
https://www.debian.org/security/2021/dsa-4998	Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/11/msg00012.html	Mailing List Third Party Advisory

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Configurations

Configuration 1 (hide)

cpe:2.3:a:ffmpeg:ffmpeg:4.4:*:*:*:*:*:*:*

Configuration 2 (hide)

OR	cpe:2.3:o:debian:debian_linux:9.0:::::::*
	cpe:2.3:o:debian:debian_linux:10.0:::::::*
	cpe:2.3:o:debian:debian_linux:11.0:::::::*

Information

Published : 2021-08-21 10:15

Updated : 2021-11-30 13:38

NVD link : CVE-2021-38171

Mitre link : CVE-2021-38171

JSON object : View

CWE

CWE-252

Unchecked Return Value

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Products Affected

debian

debian_linux

ffmpeg

ffmpeg

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