Bug 781146 – <media-video/ffmpeg-4.4: multiple vulnerabilities

• Status: IN_PROGRESS
• Product: Gentoo Security

[Description John Helmert III 2021-04-08 14:45:31 UTC]

CVE-2021-30123:

FFmpeg <=4.3 contains a buffer overflow vulnerability in libavcodec through a crafted file that may lead to remote code execution.


Patch at $URL but seems it's not part of any tag yet.

[Comment 1 jospezial 2021-04-09 11:59:28 UTC]

It is in just released 4.4 .

[Comment 2 jospezial 2021-04-09 12:04:21 UTC]

https://github.com/FFmpeg/FFmpeg/commit/d6f293353c94c7ce200f6e0975ae3de49787f91f

[Comment 3 John Helmert III 2021-04-09 14:17:22 UTC]

(In reply to jospezial from comment #1)
> It is in just released 4.4 .

Thanks! Maintainers, please bump.

[Comment 4 jospezial 2021-04-09 21:44:24 UTC]

https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=ddb6d10608a9396bb123add897b15fe01538ce68
media-video/ffmpeg: bump to 4.4

[Comment 5 Sam James 2021-04-09 22:06:46 UTC]

(In reply to jospezial from comment #4)
> https://gitweb.gentoo.org/repo/gentoo.git/commit/
> ?id=ddb6d10608a9396bb123add897b15fe01538ce68
> media-video/ffmpeg: bump to 4.4

Thanks!

[Comment 6 Agostino Sarubbo 2021-05-12 07:58:39 UTC]

amd64 stable

[Comment 7 Agostino Sarubbo 2021-05-12 20:12:37 UTC]

x86 stable

[Comment 8 Agostino Sarubbo 2021-05-14 06:42:48 UTC]

ppc64 stable

[Comment 9 Sam James 2021-05-15 18:00:03 UTC]

arm64 done

[Comment 10 Sam James 2021-05-15 18:02:17 UTC]

arm done

[Comment 11 Sam James 2021-05-16 12:46:01 UTC]

sparc done

[Comment 12 Thomas Deutschmann 2021-05-24 00:03:33 UTC]

New GLSA request filed.

[Comment 13 GLSAMaker/CVETool Bot 2021-05-26 09:50:50 UTC]

This issue was resolved and addressed in
 GLSA 202105-24 at https://security.gentoo.org/glsa/202105-24
by GLSA coordinator Thomas Deutschmann (whissi).

[Comment 14 Thomas Deutschmann 2021-05-26 09:51:29 UTC]

Re-opening for remaining architecture.

[Comment 15 John Helmert III 2021-05-30 16:20:12 UTC]

Ping ppc

[Comment 16 Sergei Trofimovich (RETIRED) 2021-06-07 07:41:54 UTC]

ppc stable

All arches done.

[Comment 17 John Helmert III 2021-06-09 04:29:33 UTC]

Please cleanup.

[Comment 18 NATTkA bot 2021-07-10 17:32:31 UTC]

Unable to check for sanity:

> no match for package: media-video/ffmpeg-4.4

[Comment 19 John Helmert III 2021-09-29 23:25:05 UTC]

A few more we can add that will be fixed by this cleanup.

CVE-2020-20902:

A CWE-125: Out-of-bounds read vulnerability exists in long_term_filter function in g729postfilter.c in FFmpeg 4.2.1 during computation of the denominator of
pseudo-normalized correlation R'(0), that could result in disclosure of information.

CVE-2020-20896:

An issue was discovered in function latm_write_packet in libavformat/latmenc.c in Ffmpeg 4.2.1, allows attackers to cause a Denial of Service or other unspecified impacts due to a Null pointer dereference.

CVE-2020-20898:

Integer Overflow vulnerability in function filter16_prewitt in libavfilter/vf_convolution.c in Ffmpeg 4.2.1, allows attackers to cause a Denial of Service or other unspecified impacts.

CVE-2020-20891:

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

CVE-2020-20892:

An issue was discovered in function filter_frame in libavfilter/vf_lenscorrection.c in Ffmpeg 4.2.1, allows attackers to cause a Denial of Service or other unspecified impacts due to a division by zero.

[Comment 20 John Helmert III 2021-11-10 23:33:44 UTC]

CVE-2020-23906:

FFmpeg N-98388-g76a3ee996b allows attackers to cause a denial of service (DoS) via a crafted audio file due to insufficient verification of data authenticity.