Vulnerability CVE-2020-22049

Vulnerability Name:

CVE-2020-22049 (CCN-202938)

Assigned:

2019-07-07

Published:

2019-07-07

Updated:

2021-11-30

Summary:

A Denial of Service vulnerability exists in FFmpeg 4.2 due to a memory leak in the wtvfile_open_sector function in wtvdec.c.

CVSS v3 Severity:

6.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)
5.9 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Network 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): 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)
3.0 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:P/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:

4.3 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Medium 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-401

Vulnerability Consequences:

Denial of Service

References:

Source: MITRE
Type: CNA
CVE-2020-22049

Source: MISC
Type: Patch, Third Party Advisory
http://git.videolan.org/?p=ffmpeg.git;a=commitdiff;h=373c1c9b691fd4c6831b3a114a006b639304c2af

Source: XF
Type: UNKNOWN
ffmpeg-cve202022049-dos(202938)

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

Source: CCN
Type: ffmpeg Ticket #8314
memory leaks in wtvfile_open_sector()

Source: MISC
Type: Exploit, Issue Tracking, Vendor Advisory
https://trac.ffmpeg.org/ticket/8314

Source: DEBIAN
Type: Third Party Advisory
DSA-4990

Vulnerable Configuration:

Configuration 1:

cpe:/a:ffmpeg:ffmpeg:4.2:-:*:*:*:*:*:*

Configuration 2:

cpe:/o:debian:debian_linux:9.0:*:*:*:*:*:*:*

OR cpe:/o:debian:debian_linux:10.0:*:*:*:*:*:*:*

Configuration CCN 1:

cpe:/a:ffmpeg:ffmpeg:4.2:-:*:*:*:*:*:*

Denotes that component is vulnerable

Oval Definitions

Definition ID	Class	Title	Last Modified
oval:org.opensuse.security:def:7436	P	apr-util-devel-1.6.1-150300.18.5.1 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:7480	P	dbus-1-glib-0.108-1.29 on GA media (Moderate)	2023-06-12
oval:org.opensuse.security:def:95374	P	Security update for java-11-openjdk (Important) (in QA)	2022-07-22
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:94795	P	python3-Pygments-2.6.1-4.3.1 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:93135	P	(Important)	2022-05-16
oval:org.opensuse.security:def:102087	P	Security update for openjpeg2 (Important)	2022-04-19
oval:org.opensuse.security:def:93288	P	(Moderate)	2022-03-30
oval:org.opensuse.security:def:6159	P	Security update for the Linux Kernel (Critical)	2022-02-11
oval:org.opensuse.security:def:99734	P	(Important)	2022-01-19
oval:org.opensuse.security:def:101508	P	Security update for xen (Moderate)	2021-09-18
oval:org.opensuse.security:def:99142	P	(Low)	2021-09-07
oval:org.opensuse.security:def:74307	P	Security update for ffmpeg (Important)	2021-09-02
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:5826	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:118325	P	Security update for ffmpeg (Important)	2021-09-02
oval:org.opensuse.security:def:111698	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:1479	P	Security update for ffmpeg (Important)	2021-09-02
oval:org.opensuse.security:def:65239	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:109655	P	Security update for ffmpeg (Important)	2021-09-02
oval:org.opensuse.security:def:70795	P	Security update for ffmpeg (Important)	2021-09-02
oval:org.opensuse.security:def:68525	P	Security update for ffmpeg (Important)	2021-09-02
oval:org.opensuse.security:def:102059	P	Security update for ffmpeg (Important)	2021-09-02
oval:org.opensuse.security:def:74372	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:119795	P	Security update for ffmpeg (Important)	2021-09-02
oval:org.opensuse.security:def:108174	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:1777	P	Security update for ffmpeg (Important)	2021-09-02
oval:org.opensuse.security:def:65304	P	Security update for ffmpeg (Important)	2021-09-02
oval:org.opensuse.security:def:102574	P	Security update for ffmpeg (Important)	2021-09-02
oval:org.opensuse.security:def:10655	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:4150	P	Security update for ffmpeg (Important)	2021-09-02
oval:org.opensuse.security:def:70832	P	Security update for ffmpeg (Important)	2021-09-02
oval:org.opensuse.security:def:68569	P	Security update for ffmpeg (Important)	2021-09-02
oval:org.opensuse.security:def:102329	P	Security update for ffmpeg (Important)	2021-09-02
oval:org.opensuse.security:def:75983	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:95861	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:108753	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:66915	P	Security update for ffmpeg (Important)	2021-09-02
oval:org.opensuse.security:def:102989	P	Security update for ffmpeg (Important)	2021-09-02
oval:org.opensuse.security:def:10692	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:4215	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:117688	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:1028	P	Security update for ffmpeg (Important)	2021-09-02
oval:org.opensuse.security:def:76316	P	Security update for ffmpeg (Important)	2021-09-02
oval:org.opensuse.security:def:10148	P	Security update for ffmpeg (Important)	2021-09-02
oval:org.opensuse.security:def:96317	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:109240	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:67248	P	Security update for ffmpeg (Important)	2021-09-02
oval:org.opensuse.security:def:101719	P	Security update for ffmpeg (Important)	2021-09-02

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