Vulnerability Name:

CVE-2020-21041 (CCN-202366)

Assigned:2019-07-04
Published:2019-07-04
Updated:2021-12-10
Summary:Buffer Overflow vulnerability exists in FFmpeg 4.1 via apng_do_inverse_blend in libavcodec/pngenc.c, which could let a remote malicious user cause a Denial of Service
CVSS v3 Severity:7.5 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
6.5 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/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): None
Integrity (I): None
Availibility (A): High
3.3 Low (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L)
2.9 Low (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Low
CVSS v2 Severity:5.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
1.7 Low (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
Vulnerability Type:CWE-120
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2020-21041

Source: XF
Type: UNKNOWN
ffmpeg-cve202021041-dos(202366)

Source: MLIST
Type: Mailing List, Third Party Advisory
[debian-lts-announce] 20210815 [SECURITY] [DLA 2742-1] ffmpeg security update

Source: CCN
Type: ffmpeg Web site
heap-buffer-overflow at apng_do_inverse_blend in libavcodec/pngenc.c

Source: MISC
Type: Exploit, Patch, Vendor Advisory
https://trac.ffmpeg.org/ticket/7989

Source: DEBIAN
Type: Third Party Advisory
DSA-4990

Vulnerable Configuration:Configuration 1:
  • cpe:/a:ffmpeg:ffmpeg:4.1:*:*:*:*:*:*:*

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

    • Configuration CCN 1:
  • cpe:/a:ffmpeg:ffmpeg:4.1:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    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:7430
    P
    		aide-0.16-24.1 on GA media (Moderate)
    2023-06-12
    oval:org.opensuse.security:def:7475
    P
    		cups-filters-1.25.0-3.3.1 on GA media (Moderate)
    2023-06-12
    oval:org.opensuse.security:def:6092
    P
    		Security update for crash (Important)
    2022-07-07
    oval:org.opensuse.security:def:3302
    P
    		minicom-2.7-3.1 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:94784
    P
    		permissions-20201225-150400.3.4 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:95200
    P
    		libavcodec-devel-3.4.2-11.17.1 on GA media (Moderate)
    2022-06-22
    oval:org.opensuse.security:def:95319
    P
    		Security update for go1.18 (Moderate)
    2022-05-24
    oval:org.opensuse.security:def:93135
    P
    		 (Important)
    2022-05-16
    oval:org.opensuse.security:def:93288
    P
    		 (Moderate)
    2022-03-30
    oval:org.opensuse.security:def:102032
    P
    		Security update for the Linux Kernel (Live Patch 4 for SLE 15 SP3) (Important)
    2022-03-29
    oval:org.opensuse.security:def:99734
    P
    		 (Important)
    2022-01-19
    oval:org.opensuse.security:def:99142
    P
    		 (Low)
    2021-09-07
    oval:org.opensuse.security:def:99535
    P
    		Security update for ffmpeg (Important)
    2021-09-02
    oval:org.opensuse.security:def:9394
    P
    		Security update for ffmpeg (Important)
    2021-09-02
    oval:org.opensuse.security:def:92192
    P
    		Security update for ffmpeg (Important)
    2021-09-02
    oval:org.opensuse.security:def:69726
    P
    		Security update for ffmpeg (Important)
    2021-09-02
    oval:org.opensuse.security:def:10336
    P
    		Security update for ffmpeg (Important)
    2021-09-02
    oval:org.opensuse.security:def:98947
    P
    		Security update for ffmpeg (Important)
    2021-09-02
    oval:org.opensuse.security:def:8648
    P
    		Security update for ffmpeg (Important)
    2021-09-02
    oval:org.opensuse.security:def:92982
    P
    		Security update for ffmpeg (Important)
    2021-09-02
    oval:org.opensuse.security:def:9586
    P
    		Security update for ffmpeg (Important)
    2021-09-02
    oval:org.opensuse.security:def:92386
    P
    		Security update for ffmpeg (Important)
    2021-09-02
    oval:org.opensuse.security:def:69925
    P
    		Security update for ffmpeg (Important)
    2021-09-02
    oval:org.opensuse.security:def:8836
    P
    		Security update for ffmpeg (Important)
    2021-09-02
    oval:org.opensuse.security:def:100044
    P
    		Security update for ffmpeg (Important)
    2021-09-02
    oval:org.opensuse.security:def:9785
    P
    		Security update for ffmpeg (Important)
    2021-09-02
    oval:org.opensuse.security:def:92585
    P
    		Security update for ffmpeg (Important)
    2021-09-02
    oval:org.opensuse.security:def:70288
    P
    		Security update for ffmpeg (Important)
    2021-09-02
    oval:org.opensuse.security:def:99336
    P
    		Security update for ffmpeg (Important)
    2021-09-02
    oval:org.opensuse.security:def:9031
    P
    		Security update for ffmpeg (Important)
    2021-09-02
    oval:org.opensuse.security:def:91997
    P
    		Security update for ffmpeg (Important)
    2021-09-02
    oval:org.opensuse.security:def:69534
    P
    		Security update for ffmpeg (Important)
    2021-09-02
    oval:org.opensuse.security:def:101497
    P
    		Security update for gstreamer-plugins-good (Moderate)
    2021-09-02
    oval:org.opensuse.security:def:10148
    P
    		Security update for ffmpeg (Important)
    2021-09-02
    oval:org.opensuse.security:def:92784
    P
    		Security update for ffmpeg (Important)
    2021-09-02
    oval:org.opensuse.security:def:70476
    P
    		Security update for ffmpeg (Important)
    2021-09-02
    oval:org.opensuse.security:def:74296
    P
    		Security update for ffmpeg (Important)
    2021-07-14
    oval:org.opensuse.security:def:5771
    P
    		Security update for ffmpeg (Important)
    2021-07-14
    oval:org.opensuse.security:def:111620
    P
    		Security update for ffmpeg (Important)
    2021-07-14
    oval:org.opensuse.security:def:65228
    P
    		Security update for ffmpeg (Important)
    2021-07-14
    oval:org.opensuse.security:def:109647
    P
    		Security update for ffmpeg (Important)
    2021-07-14
    oval:org.opensuse.security:def:70787
    P
    		Security update for ffmpeg (Important)
    2021-07-14
    oval:org.opensuse.security:def:117677
    P
    		Security update for ffmpeg (Important)
    2021-07-14
    oval:org.opensuse.security:def:68519
    P
    		Security update for ffmpeg (Important)
    2021-07-14
    oval:org.opensuse.security:def:102321
    P
    		Security update for ffmpeg (Important)
    2021-07-14
    oval:org.opensuse.security:def:74360
    P
    		Security update for ffmpeg (Important)
    2021-07-14
    oval:org.opensuse.security:def:108163
    P
    		Security update for ffmpeg (Important)
    2021-07-14
    oval:org.opensuse.security:def:65292
    P
    		Security update for ffmpeg (Important)
    2021-07-14
    oval:org.opensuse.security:def:102568
    P
    		Security update for ffmpeg (Important)
    2021-07-14
    oval:org.opensuse.security:def:10647
    P
    		Security update for ffmpeg (Important)
    2021-07-14
    oval:org.opensuse.security:def:4139
    P
    		Security update for ffmpeg (Important)
    2021-07-14
    oval:org.opensuse.security:def:70824
    P
    		Security update for ffmpeg (Important)
    2021-07-14
    oval:org.opensuse.security:def:118319
    P
    		Security update for ffmpeg (Important)
    2021-07-14
    oval:org.opensuse.security:def:68564
    P
    		Security update for ffmpeg (Important)
    2021-07-14
    oval:org.opensuse.security:def:1474
    P
    		Security update for ffmpeg (Important)
    2021-07-14
    oval:org.opensuse.security:def:75928
    P
    		Security update for ffmpeg (Important)
    2021-07-14
    oval:org.opensuse.security:def:95855
    P
    		Security update for ffmpeg (Important)
    2021-07-14
    oval:org.opensuse.security:def:108698
    P
    		Security update for ffmpeg (Important)
    2021-07-14
    oval:org.opensuse.security:def:66860
    P
    		Security update for ffmpeg (Important)
    2021-07-14
    oval:org.opensuse.security:def:102981
    P
    		Security update for ffmpeg (Important)
    2021-07-14
    oval:org.opensuse.security:def:10684
    P
    		Security update for ffmpeg (Important)
    2021-07-14
    oval:org.opensuse.security:def:4203
    P
    		Security update for ffmpeg (Important)
    2021-07-14
    oval:org.opensuse.security:def:119787
    P
    		Security update for ffmpeg (Important)
    2021-07-14
    oval:org.opensuse.security:def:1769
    P
    		Security update for ffmpeg (Important)
    2021-07-14
    oval:org.opensuse.security:def:76249
    P
    		Security update for ffmpeg (Important)
    2021-07-14
    oval:org.opensuse.security:def:96309
    P
    		Security update for ffmpeg (Important)
    2021-07-14
    oval:org.opensuse.security:def:109234
    P
    		Security update for ffmpeg (Important)
    2021-07-14
    oval:org.opensuse.security:def:67181
    P
    		Security update for ffmpeg (Important)
    2021-07-14
    oval:org.opensuse.security:def:101707
    P
    		Security update for ffmpeg (Important)
    2021-07-14
    BACK
    ffmpeg ffmpeg 4.1
    debian debian linux 9.0
    debian debian linux 10.0
    ffmpeg ffmpeg 4.1