CVE-2021-38171

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. 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.

9.8 /10

CVSS v3 : CRITICAL

V3 Legend

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

V2 Legend

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://lists.debian.org/debian-lts-announce/2021/11/msg00012.html Mailing List Third Party Advisory
https://patchwork.ffmpeg.org/project/ffmpeg/patch/AS8P193MB12542A86E22F8207EC971930B6F19%40AS8P193MB1254.EURP193.PROD.OUTLOOK.COM/
https://security.gentoo.org/glsa/202312-14
https://www.debian.org/security/2021/dsa-4990 Third Party Advisory
https://www.debian.org/security/2021/dsa-4998 Third Party Advisory
https://github.com/FFmpeg/FFmpeg/commit/9ffa49496d1aae4cbbb387aac28a9e061a6ab0a6 Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/11/msg00012.html Mailing List Third Party Advisory
https://patchwork.ffmpeg.org/project/ffmpeg/patch/AS8P193MB12542A86E22F8207EC971930B6F19%40AS8P193MB1254.EURP193.PROD.OUTLOOK.COM/
https://security.gentoo.org/glsa/202312-14
https://www.debian.org/security/2021/dsa-4990 Third Party Advisory
https://www.debian.org/security/2021/dsa-4998 Third Party Advisory
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:*:*:*:*:*:*:*
History

21 Nov 2024, 06:16

Type Values Removed Values Added
References () https://github.com/FFmpeg/FFmpeg/commit/9ffa49496d1aae4cbbb387aac28a9e061a6ab0a6 - Patch, Third Party Advisory () https://github.com/FFmpeg/FFmpeg/commit/9ffa49496d1aae4cbbb387aac28a9e061a6ab0a6 - Patch, Third Party Advisory
References () https://lists.debian.org/debian-lts-announce/2021/11/msg00012.html - Mailing List, Third Party Advisory () https://lists.debian.org/debian-lts-announce/2021/11/msg00012.html - Mailing List, Third Party Advisory
References () https://patchwork.ffmpeg.org/project/ffmpeg/patch/AS8P193MB12542A86E22F8207EC971930B6F19%40AS8P193MB1254.EURP193.PROD.OUTLOOK.COM/ - () https://patchwork.ffmpeg.org/project/ffmpeg/patch/AS8P193MB12542A86E22F8207EC971930B6F19%40AS8P193MB1254.EURP193.PROD.OUTLOOK.COM/ -
References () https://security.gentoo.org/glsa/202312-14 - () https://security.gentoo.org/glsa/202312-14 -
References () https://www.debian.org/security/2021/dsa-4990 - Third Party Advisory () https://www.debian.org/security/2021/dsa-4990 - Third Party Advisory
References () https://www.debian.org/security/2021/dsa-4998 - Third Party Advisory () https://www.debian.org/security/2021/dsa-4998 - Third Party Advisory

23 Dec 2023, 12:15

Type Values Removed Values Added
References
  • {'url': 'https://patchwork.ffmpeg.org/project/ffmpeg/patch/AS8P193MB12542A86E22F8207EC971930B6F19@AS8P193MB1254.EURP193.PROD.OUTLOOK.COM/', 'name': 'https://patchwork.ffmpeg.org/project/ffmpeg/patch/AS8P193MB12542A86E22F8207EC971930B6F19@AS8P193MB1254.EURP193.PROD.OUTLOOK.COM/', 'tags': ['Patch', 'Third Party Advisory'], 'refsource': 'MISC'}
  • () https://security.gentoo.org/glsa/202312-14 -
  • () https://patchwork.ffmpeg.org/project/ffmpeg/patch/AS8P193MB12542A86E22F8207EC971930B6F19%40AS8P193MB1254.EURP193.PROD.OUTLOOK.COM/ -

30 Nov 2021, 21:38

Type Values Removed Values Added
References (DEBIAN) https://www.debian.org/security/2021/dsa-4998 - (DEBIAN) https://www.debian.org/security/2021/dsa-4998 - Third Party Advisory
References (MLIST) https://lists.debian.org/debian-lts-announce/2021/11/msg00012.html - (MLIST) https://lists.debian.org/debian-lts-announce/2021/11/msg00012.html - Mailing List, Third Party Advisory
CPE cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

14 Nov 2021, 23:15

Type Values Removed Values Added
References
  • (DEBIAN) https://www.debian.org/security/2021/dsa-4998 -
  • (MLIST) https://lists.debian.org/debian-lts-announce/2021/11/msg00012.html -

10 Nov 2021, 01:18

Type Values Removed Values Added
References
  • {'url': 'https://www.debian.org/security/2021/dsa-4998', 'name': 'DSA-4998', 'tags': ['Third Party Advisory'], 'refsource': 'DEBIAN'}

05 Nov 2021, 17:17

Type Values Removed Values Added
References (DEBIAN) https://www.debian.org/security/2021/dsa-4990 - (DEBIAN) https://www.debian.org/security/2021/dsa-4990 - Third Party Advisory
References (DEBIAN) https://www.debian.org/security/2021/dsa-4998 - (DEBIAN) https://www.debian.org/security/2021/dsa-4998 - Third Party Advisory
CPE cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*

01 Nov 2021, 11:15

Type Values Removed Values Added
References
  • (DEBIAN) https://www.debian.org/security/2021/dsa-4998 -

20 Oct 2021, 11:17

Type Values Removed Values Added
References
  • (DEBIAN) https://www.debian.org/security/2021/dsa-4990 -

30 Aug 2021, 15:37

Type Values Removed Values Added
CVSS v2 : unknown
v3 : unknown 		v2 : 7.5
v3 : 9.8
CWE CWE-252
CPE cpe:2.3:a:ffmpeg:ffmpeg:4.4:*:*:*:*:*:*:*
References (MISC) https://github.com/FFmpeg/FFmpeg/commit/9ffa49496d1aae4cbbb387aac28a9e061a6ab0a6 - (MISC) https://github.com/FFmpeg/FFmpeg/commit/9ffa49496d1aae4cbbb387aac28a9e061a6ab0a6 - Patch, Third Party Advisory
References (MISC) https://patchwork.ffmpeg.org/project/ffmpeg/patch/AS8P193MB12542A86E22F8207EC971930B6F19@AS8P193MB1254.EURP193.PROD.OUTLOOK.COM/ - (MISC) https://patchwork.ffmpeg.org/project/ffmpeg/patch/AS8P193MB12542A86E22F8207EC971930B6F19@AS8P193MB1254.EURP193.PROD.OUTLOOK.COM/ - Patch, Third Party Advisory

21 Aug 2021, 17:15

Type Values Removed Values Added
New CVE
Information

Published : 2021-08-21 17:15

Updated : 2024-11-21 06:16

NVD link : CVE-2021-38171

Mitre link : CVE-2021-38171

CVE.ORG link : CVE-2021-38171

JSON object : View

Products Affected

ffmpeg

  • ffmpeg

debian

  • debian_linux
CWE
CWE-252

Unchecked Return Value