Bug 1190722 – VUL-0: CVE-2020-20895: ffmpeg: Buffer Overflow vulnerability in function filter_vertically_##name in libavfilter/vf_avgblur.c

Bug 1190722 - (CVE-2020-20895) VUL-0: CVE-2020-20895: ffmpeg: Buffer Overflow vulnerability in function filter_vertically_##name in libavfilter/vf_avgblur.c

(CVE-2020-20895)
Summary:	VUL-0: CVE-2020-20895: ffmpeg: Buffer Overflow vulnerability in function filt...

Status:	RESOLVED FIXED

Classification:	Novell Products
Product:	SUSE Security Incidents
Classification:	Novell Products
Component:	Incidents
Version:	unspecified
Hardware:	Other Other

Priority:	P3 - Medium Severity: Normal
Target Milestone:	---
Assigned To:	Security Team bot
QA Contact:	Security Team bot

URL:	https://smash.suse.de/issue/310566/
Whiteboard:	CVSSv3.1:SUSE:CVE-2020-20895:6.5:(AV:...
Keywords:

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Reported:	2021-09-21 14:01 UTC by Alexander Bergmann
Modified:	2023-01-02 14:23 UTC (History)
CC List:	6 users (show)

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Found By:	Security Response Team
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Description Alexander Bergmann 2021-09-21 14:01:29 UTC

CVE-2020-20895

Buffer Overflow vulnerability in function filter_vertically_##name in
libavfilter/vf_avgblur.c in Ffmpeg 4.2.1, allows attackers to cause a Denial of
Service or other unspecified impacts.

References:
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2020-20895
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-20895
https://git.ffmpeg.org/gitweb/ffmpeg.git/commit/f069a9c2a65bc20c3462127623127df6dfd06c5b
https://trac.ffmpeg.org/ticket/8274

Comment 1 Alexander Bergmann 2021-09-22 13:51:57 UTC

Commit can be applied nicely to 3.4.2.

Comment 4 Swamp Workflow Management 2021-10-26 19:25:58 UTC

SUSE-SU-2021:3521-1: An update that fixes 12 vulnerabilities is now available.

Category: security (moderate)
Bug References: 1186756,1187852,1189166,1190718,1190719,1190722,1190723,1190726,1190729,1190733,1190734,1190735
CVE References: CVE-2020-20891,CVE-2020-20892,CVE-2020-20895,CVE-2020-20896,CVE-2020-20899,CVE-2020-20902,CVE-2020-22037,CVE-2020-35965,CVE-2021-3566,CVE-2021-38092,CVE-2021-38093,CVE-2021-38094
JIRA References: 
Sources used:
SUSE Linux Enterprise Workstation Extension 15-SP3 (src):    ffmpeg-3.4.2-11.17.1
SUSE Linux Enterprise Workstation Extension 15-SP2 (src):    ffmpeg-3.4.2-11.17.1
SUSE Linux Enterprise Module for Packagehub Subpackages 15-SP3 (src):    ffmpeg-3.4.2-11.17.1
SUSE Linux Enterprise Module for Packagehub Subpackages 15-SP2 (src):    ffmpeg-3.4.2-11.17.1
SUSE Linux Enterprise Module for Desktop Applications 15-SP3 (src):    ffmpeg-3.4.2-11.17.1
SUSE Linux Enterprise Module for Desktop Applications 15-SP2 (src):    ffmpeg-3.4.2-11.17.1

NOTE: This line indicates an update has been released for the listed product(s). At times this might be only a partial fix. If you have questions please reach out to maintenance coordination.

Comment 5 Swamp Workflow Management 2021-10-26 19:34:11 UTC

openSUSE-SU-2021:3521-1: An update that fixes 12 vulnerabilities is now available.

Category: security (moderate)
Bug References: 1186756,1187852,1189166,1190718,1190719,1190722,1190723,1190726,1190729,1190733,1190734,1190735
CVE References: CVE-2020-20891,CVE-2020-20892,CVE-2020-20895,CVE-2020-20896,CVE-2020-20899,CVE-2020-20902,CVE-2020-22037,CVE-2020-35965,CVE-2021-3566,CVE-2021-38092,CVE-2021-38093,CVE-2021-38094
JIRA References: 
Sources used:
openSUSE Leap 15.3 (src):    ffmpeg-3.4.2-11.17.1

Comment 8 Gabriele Sonnu 2022-04-29 08:01:24 UTC

Done.

Comment 10 Swamp Workflow Management 2023-01-02 14:23:23 UTC

SUSE-SU-2023:0005-1: An update that fixes 14 vulnerabilities is now available.

Category: security (important)
Bug References: 1186756,1186761,1187852,1189166,1190718,1190719,1190722,1190723,1190726,1190729,1190733,1190734,1190735,1206442
CVE References: CVE-2020-20891,CVE-2020-20892,CVE-2020-20895,CVE-2020-20896,CVE-2020-20899,CVE-2020-20902,CVE-2020-22037,CVE-2020-22042,CVE-2020-35965,CVE-2021-3566,CVE-2021-38092,CVE-2021-38093,CVE-2021-38094,CVE-2022-3109
JIRA References: 
Sources used:
SUSE Linux Enterprise Server for SAP 15-SP1 (src):    ffmpeg-3.4.2-150000.4.44.1
SUSE Linux Enterprise Server for SAP 15 (src):    ffmpeg-3.4.2-150000.4.44.1
SUSE Linux Enterprise Server 15-SP1-LTSS (src):    ffmpeg-3.4.2-150000.4.44.1
SUSE Linux Enterprise Server 15-SP1-BCL (src):    ffmpeg-3.4.2-150000.4.44.1
SUSE Linux Enterprise Server 15-LTSS (src):    ffmpeg-3.4.2-150000.4.44.1
SUSE Linux Enterprise High Performance Computing 15-SP1-LTSS (src):    ffmpeg-3.4.2-150000.4.44.1
SUSE Linux Enterprise High Performance Computing 15-SP1-ESPOS (src):    ffmpeg-3.4.2-150000.4.44.1
SUSE Linux Enterprise High Performance Computing 15-LTSS (src):    ffmpeg-3.4.2-150000.4.44.1
SUSE Linux Enterprise High Performance Computing 15-ESPOS (src):    ffmpeg-3.4.2-150000.4.44.1
SUSE Enterprise Storage 6 (src):    ffmpeg-3.4.2-150000.4.44.1
SUSE CaaS Platform 4.0 (src):    ffmpeg-3.4.2-150000.4.44.1

NOTE: This line indicates an update has been released for the listed product(s). At times this might be only a partial fix. If you have questions please reach out to maintenance coordination.