Bug 763315 (CVE-2020-35964, CVE-2020-35965)

Summary:	<media-video/ffmpeg-4.3.2: Multiple vulnerabilities (CVE-2020-{35964,35965})
Product:	Gentoo Security	Reporter:	Sam James <sam>
Component:	Vulnerabilities	Assignee:	Gentoo Security <security>
Status:	RESOLVED FIXED
Severity:	major	CC:	contact, media-video, proxy-maint
Priority:	Normal	Flags:	nattka: sanity-check+
Version:	unspecified
Hardware:	All
OS:	Linux
URL:	https://github.com/FFmpeg/FFmpeg/commit/27a99e2c7d450fef15594671eef4465c8a166bd7
Whiteboard:	A2 [glsa+ cve]
Package list:	media-video/ffmpeg-4.3.2 media-sound/sndio-1.7.0-r1	Runtime testing required:	---
Bug Depends on:	772134
Bug Blocks:

Description Sam James archtester

2021-01-03 19:53:46 UTC

Description:
"track_header in libavformat/vividas.c in FFmpeg 4.3.1 has an out-of-bounds write because of incorrect extradata packing."

Comment 1 Sam James archtester

2021-01-04 01:52:36 UTC

* CVE-2020-35965

Description:
"decode_frame in libavcodec/exr.c in FFmpeg 4.3.1 has an out-of-bounds write because of an integer overflow when attempting to operate on data locations outside of an OpenEXR image."

Patch: https://github.com/FFmpeg/FFmpeg/commit/b0a8b40294ea212c1938348ff112ef1b9bf16bb3

Comment 2 Larry the Git Cow gentoo-dev

2021-02-22 07:25:01 UTC

The bug has been referenced in the following commit(s):

https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=eea9d1778f1da14be9293fd1a85b20cdd1c9666c

commit eea9d1778f1da14be9293fd1a85b20cdd1c9666c
Author:     Sam James <sam@gentoo.org>
AuthorDate: 2021-02-22 05:35:25 +0000
Commit:     Sam James <sam@gentoo.org>
CommitDate: 2021-02-22 07:23:51 +0000

    media-video/ffmpeg: (security) bump to 4.3.2
    
    Bug: https://bugs.gentoo.org/763315
    Package-Manager: Portage-3.0.14, Repoman-3.0.2
    Signed-off-by: Sam James <sam@gentoo.org>

 media-video/ffmpeg/Manifest            |   1 +
 media-video/ffmpeg/ffmpeg-4.3.2.ebuild | 557 +++++++++++++++++++++++++++++++++
 2 files changed, 558 insertions(+)

Comment 3 NATTkA bot gentoo-dev

2021-02-22 07:33:49 UTC Comment hidden (obsolete)

Sanity check failed:

> media-video/ffmpeg-4.3.2
>   depend amd64 dev profile default/linux/amd64/17.0/x32 (1 total)
>     media-sound/sndio:=[abi_x86_32(-),abi_x86_64(-),abi_x86_x32(-)]
>   depend amd64 stable profile default/linux/amd64/17.1 (12 total)
>     media-sound/sndio:=[abi_x86_32(-),abi_x86_64(-)]
>   depend amd64 stable profile default/linux/amd64/17.1/no-multilib (3 total)
>     media-sound/sndio:=[abi_x86_64(-)]
>   rdepend amd64 dev profile default/linux/amd64/17.0/x32 (1 total)
>     media-sound/sndio:=[abi_x86_32(-),abi_x86_64(-),abi_x86_x32(-)]
>   rdepend amd64 stable profile default/linux/amd64/17.1 (12 total)
>     media-sound/sndio:=[abi_x86_32(-),abi_x86_64(-)]
>   rdepend amd64 stable profile default/linux/amd64/17.1/no-multilib (3 total)
>     media-sound/sndio:=[abi_x86_64(-)]
>   depend arm stable profile default/linux/arm/17.0 (37 total)
>     media-sound/sndio:=
>   depend arm dev profile default/linux/arm/17.0/armv4 (37 total)
>     media-sound/sndio:=
>   rdepend arm stable profile default/linux/arm/17.0 (37 total)
>     media-sound/sndio:=
>   rdepend arm dev profile default/linux/arm/17.0/armv4 (37 total)
>     media-sound/sndio:=
>   depend x86 stable profile default/linux/x86/17.0 (11 total)
>     media-sound/sndio:=[abi_x86_32(-)]
>   rdepend x86 stable profile default/linux/x86/17.0 (11 total)
>     media-sound/sndio:=[abi_x86_32(-)]

Comment 4 Sergei Trofimovich (RETIRED) gentoo-dev

2021-02-25 08:54:45 UTC

ppc/ppc64/sparc stable

Comment 5 Agostino Sarubbo gentoo-dev

2021-02-26 08:09:33 UTC

x86 stable

Comment 6 Mikle Kolyada (RETIRED) archtester

2021-02-26 08:48:57 UTC

amd64 stable

Comment 7 NATTkA bot gentoo-dev

2021-02-26 14:29:07 UTC Comment hidden (obsolete)

Unable to check for sanity:

> no match for package: media-sound/sndio-1.7.0

Comment 8 Sam James archtester

2021-02-26 21:57:04 UTC

arm64 done

Comment 9 Sam James archtester

2021-03-29 14:49:48 UTC

arm done

all arches done

Comment 10 Sam James archtester

2021-03-29 15:27:37 UTC

Please cleanup.

Comment 11 Thomas Deutschmann (RETIRED) gentoo-dev

2021-05-24 00:06:30 UTC

Added to an existing GLSA request.

Comment 12 GLSAMaker/CVETool Bot gentoo-dev

2021-05-26 09:50:47 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).