Vulnerability Name:

CVE-2021-38171 (CCN-208021)

Assigned:2021-08-06
Published:2021-08-06
Updated:2021-11-30
Summary: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 Severity:9.8 Critical (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
8.5 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
5.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N)
4.6 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): Low
Availibility (A): None
CVSS v2 Severity:7.5 High (CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
5.0 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): None
Vulnerability Type:CWE-252
Vulnerability Consequences:Unknown
References:Source: MITRE
Type: CNA
CVE-2021-38171

Source: XF
Type: UNKNOWN
ffmpeg-cve202138171-unspecified(208021)

Source: CCN
Type: FFmpeg GIT Repository
avformat/adtsenc: return value check for init_get_bits in adts_decode

Source: MISC
Type: Patch, Third Party Advisory
https://github.com/FFmpeg/FFmpeg/commit/9ffa49496d1aae4cbbb387aac28a9e061a6ab0a6

Source: MLIST
Type: Mailing List, Third Party Advisory
[debian-lts-announce] 20211114 [SECURITY] [DLA 2818-1] ffmpeg security update

Source: MISC
Type: Patch, Third Party Advisory
https://patchwork.ffmpeg.org/project/ffmpeg/patch/AS8P193MB12542A86E22F8207EC971930B6F19@AS8P193MB1254.EURP193.PROD.OUTLOOK.COM/

Source: DEBIAN
Type: Third Party Advisory
DSA-4990

Source: DEBIAN
Type: Third Party Advisory
DSA-4998

Vulnerable Configuration:Configuration 1:
  • cpe:/a:ffmpeg:ffmpeg:4.4:*:*:*:*:*:*:*

    • Configuration 2:
  • cpe:/o:debian:debian_linux:9.0:*:*:*:*:*:*:*
  • OR cpe:/o:debian:debian_linux:10.0:*:*:*:*:*:*:*
  • OR cpe:/o:debian:debian_linux:11.0:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:ffmpeg:ffmpeg:4.4:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.opensuse.security:def:7439
    P
    		aspell-0.60.8-3.3.1 on GA media (Moderate)
    2023-06-12
    oval:org.opensuse.security:def:7483
    P
    		dmidecode-3.4-150400.16.8.1 on GA media (Moderate)
    2023-06-12
    oval:org.opensuse.security:def:7921
    P
    		libavcodec57-3.4.2-150200.11.28.1 on GA media (Moderate)
    2023-06-12
    oval:org.opensuse.security:def:3571
    P
    		libXxf86dga1-1.1.4-3.58 on GA media (Moderate)
    2022-06-28
    oval:org.opensuse.security:def:3302
    P
    		minicom-2.7-3.1 on GA media (Moderate)
    2022-06-28
    oval:org.opensuse.security:def:3303
    P
    		mipv6d-2.0.2.umip.0.4-19.63 on GA media (Moderate)
    2022-06-28
    oval:org.opensuse.security:def:3570
    P
    		libXvnc1-1.6.0-22.7.1 on GA media (Moderate)
    2022-06-28
    oval:org.opensuse.security:def:95200
    P
    		libavcodec-devel-3.4.2-11.17.1 on GA media (Moderate)
    2022-06-22
    oval:org.opensuse.security:def:95201
    P
    		libavformat58_76-4.4-150400.1.13 on GA media (Moderate)
    2022-06-22
    oval:org.opensuse.security:def:94932
    P
    		libavcodec57-3.4.2-11.17.1 on GA media (Moderate)
    2022-06-22
    oval:org.opensuse.security:def:94799
    P
    		python3-dulwich-0.20.24-150400.1.4 on GA media (Moderate)
    2022-06-22
    oval:org.opensuse.security:def:94933
    P
    		libavcodec58_134-4.4-150400.1.13 on GA media (Moderate)
    2022-06-22
    oval:org.opensuse.security:def:95389
    P
    		Security update for postgresql14 (Important)
    2022-06-01
    oval:org.opensuse.security:def:102102
    P
    		Security update for java-11-openjdk (Moderate)
    2022-03-14
    oval:org.opensuse.security:def:6180
    P
    		Security update for expat (Important)
    2022-03-03
    oval:org.opensuse.security:def:99741
    P
    		 (Important)
    2022-01-26
    oval:org.opensuse.security:def:112221
    P
    		ffmpeg-4-4.4-5.2 on GA media (Moderate)
    2022-01-17
    oval:org.opensuse.security:def:99148
    P
    		 (Important)
    2021-10-12
    oval:org.opensuse.security:def:105751
    P
    		ffmpeg-4-4.4-5.2 on GA media (Moderate)
    2021-10-01
    oval:org.opensuse.security:def:101512
    P
    		Security update for gd (Moderate)
    2021-09-27
    oval:org.opensuse.security:def:10657
    P
    		Security update for ffmpeg (Important)
    2021-09-23
    oval:org.opensuse.security:def:8842
    P
    		Security update for ffmpeg (Important)
    2021-09-23
    oval:org.opensuse.security:def:4154
    P
    		Security update for ffmpeg (Important)
    2021-09-23
    oval:org.opensuse.security:def:70834
    P
    		Security update for ffmpeg (Important)
    2021-09-23
    oval:org.opensuse.security:def:68572
    P
    		Security update for ffmpeg (Important)
    2021-09-23
    oval:org.opensuse.security:def:1779
    P
    		Security update for ffmpeg (Important)
    2021-09-23
    oval:org.opensuse.security:def:75998
    P
    		Security update for ffmpeg (Important)
    2021-09-23
    oval:org.opensuse.security:def:102577
    P
    		Security update for ffmpeg (Important)
    2021-09-23
    oval:org.opensuse.security:def:9792
    P
    		Security update for ffmpeg (Important)
    2021-09-23
    oval:org.opensuse.security:def:92592
    P
    		Security update for ffmpeg (Important)
    2021-09-23
    oval:org.opensuse.security:def:119797
    P
    		Security update for ffmpeg (Important)
    2021-09-23
    oval:org.opensuse.security:def:108768
    P
    		Security update for ffmpeg (Important)
    2021-09-23
    oval:org.opensuse.security:def:70295
    P
    		Security update for ffmpeg (Important)
    2021-09-23
    oval:org.opensuse.security:def:66930
    P
    		Security update for ffmpeg (Important)
    2021-09-23
    oval:org.opensuse.security:def:102331
    P
    		Security update for ffmpeg (Important)
    2021-09-23
    oval:org.opensuse.security:def:10694
    P
    		Security update for ffmpeg (Important)
    2021-09-23
    oval:org.opensuse.security:def:100052
    P
    		Security update for ffmpeg (Important)
    2021-09-23
    oval:org.opensuse.security:def:9037
    P
    		Security update for ffmpeg (Important)
    2021-09-23
    oval:org.opensuse.security:def:95864
    P
    		Security update for ffmpeg (Important)
    2021-09-23
    oval:org.opensuse.security:def:4219
    P
    		Security update for ffmpeg (Important)
    2021-09-23
    oval:org.opensuse.security:def:92003
    P
    		Security update for ffmpeg (Important)
    2021-09-23
    oval:org.opensuse.security:def:111722
    P
    		Security update for ffmpeg (Important)
    2021-09-23
    oval:org.opensuse.security:def:69541
    P
    		Security update for ffmpeg (Important)
    2021-09-23
    oval:org.opensuse.security:def:76337
    P
    		Security update for ffmpeg (Important)
    2021-09-23
    oval:org.opensuse.security:def:102991
    P
    		Security update for ffmpeg (Important)
    2021-09-23
    oval:org.opensuse.security:def:10155
    P
    		Security update for ffmpeg (Important)
    2021-09-23
    oval:org.opensuse.security:def:99343
    P
    		Security update for ffmpeg (Important)
    2021-09-23
    oval:org.opensuse.security:def:92791
    P
    		Security update for ffmpeg (Important)
    2021-09-23
    oval:org.opensuse.security:def:109243
    P
    		Security update for ffmpeg (Important)
    2021-09-23
    oval:org.opensuse.security:def:70483
    P
    		Security update for ffmpeg (Important)
    2021-09-23
    oval:org.opensuse.security:def:67269
    P
    		Security update for ffmpeg (Important)
    2021-09-23
    oval:org.opensuse.security:def:1032
    P
    		Security update for ffmpeg (Important)
    2021-09-23
    oval:org.opensuse.security:def:74311
    P
    		Security update for ffmpeg (Important)
    2021-09-23
    oval:org.opensuse.security:def:9401
    P
    		Security update for ffmpeg (Important)
    2021-09-23
    oval:org.opensuse.security:def:96319
    P
    		Security update for ffmpeg (Important)
    2021-09-23
    oval:org.opensuse.security:def:5841
    P
    		Security update for ffmpeg (Important)
    2021-09-23
    oval:org.opensuse.security:def:92198
    P
    		Security update for ffmpeg (Important)
    2021-09-23
    oval:org.opensuse.security:def:117692
    P
    		Security update for ffmpeg (Important)
    2021-09-23
    oval:org.opensuse.security:def:69733
    P
    		Security update for ffmpeg (Important)
    2021-09-23
    oval:org.opensuse.security:def:65243
    P
    		Security update for ffmpeg (Important)
    2021-09-23
    oval:org.opensuse.security:def:101723
    P
    		Security update for ffmpeg (Important)
    2021-09-23
    oval:org.opensuse.security:def:10343
    P
    		Security update for ffmpeg (Important)
    2021-09-23
    oval:org.opensuse.security:def:99542
    P
    		Security update for ffmpeg (Important)
    2021-09-23
    oval:org.opensuse.security:def:8654
    P
    		Security update for ffmpeg (Important)
    2021-09-23
    oval:org.opensuse.security:def:109657
    P
    		Security update for ffmpeg (Important)
    2021-09-23
    oval:org.opensuse.security:def:70797
    P
    		Security update for ffmpeg (Important)
    2021-09-23
    oval:org.opensuse.security:def:68528
    P
    		Security update for ffmpeg (Important)
    2021-09-23
    oval:org.opensuse.security:def:1482
    P
    		Security update for ffmpeg (Important)
    2021-09-23
    oval:org.opensuse.security:def:74376
    P
    		Security update for ffmpeg (Important)
    2021-09-23
    oval:org.opensuse.security:def:9593
    P
    		Security update for ffmpeg (Important)
    2021-09-23
    oval:org.opensuse.security:def:98953
    P
    		Security update for ffmpeg (Important)
    2021-09-23
    oval:org.opensuse.security:def:92393
    P
    		Security update for ffmpeg (Important)
    2021-09-23
    oval:org.opensuse.security:def:118328
    P
    		Security update for ffmpeg (Important)
    2021-09-23
    oval:org.opensuse.security:def:108178
    P
    		Security update for ffmpeg (Important)
    2021-09-23
    oval:org.opensuse.security:def:69932
    P
    		Security update for ffmpeg (Important)
    2021-09-23
    oval:org.opensuse.security:def:65308
    P
    		Security update for ffmpeg (Important)
    2021-09-23
    oval:org.opensuse.security:def:102062
    P
    		Security update for ffmpeg (Important)
    2021-09-23
    BACK
    ffmpeg ffmpeg 4.4
    debian debian linux 9.0
    debian debian linux 10.0
    debian debian linux 11.0
    ffmpeg ffmpeg 4.4