Bug 765040 (CVE-2020-26664)

Summary:	<media-video/vlc-3.0.12.1: Buffer overread with crafted mkv file (CVE-2020-26664)
Product:	Gentoo Security	Reporter:	John Helmert III <ajak>
Component:	Vulnerabilities	Assignee:	Gentoo Security <security>
Status:	RESOLVED FIXED
Severity:	minor	CC:	media-video
Priority:	Normal
Version:	unspecified
Hardware:	All
OS:	Linux
URL:	https://gist.githubusercontent.com/henices/db11664dd45b9f322f8514d182aef5ea/raw/d56940c8bf211992bf4f3309a85bb2b69383e511/CVE-2020-26664.txt
See Also:	https://bugs.gentoo.org/show_bug.cgi?id=761547
Whiteboard:	A4 [glsa+ cve]
Package list:		Runtime testing required:	---

Description John Helmert III archtester

2021-01-12 01:09:53 UTC

CVE-2020-26664:

A vulnerability in EbmlTypeDispatcher::send in VideoLAN VLC media player 3.0.11 allows attackers to trigger a heap-based buffer overflow via a crafted .mkv file.


Fixed in 3.0.12. Please bump.

Comment 1 Larry the Git Cow gentoo-dev

2021-01-12 18:13:49 UTC

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

https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=186788f2eba7c130e38cf6d86116124eb2f57363

commit 186788f2eba7c130e38cf6d86116124eb2f57363
Author:     Sam James <sam@gentoo.org>
AuthorDate: 2021-01-12 17:43:49 +0000
Commit:     Sam James <sam@gentoo.org>
CommitDate: 2021-01-12 18:13:46 +0000

    media-video/vlc: security bump to 3.0.12.1
    
    Bug: https://bugs.gentoo.org/765040
    Bug: https://bugs.gentoo.org/723006
    Package-Manager: Portage-3.0.12, Repoman-3.0.2
    Signed-off-by: Sam James <sam@gentoo.org>

 media-video/vlc/Manifest                 |   1 +
 media-video/vlc/vlc-3.0.12.1-r1.ebuild   | 499 ++++++++++++++++++++++++++++++
 media-video/vlc/vlc-3.0.12.1-r101.ebuild | 505 +++++++++++++++++++++++++++++++
 3 files changed, 1005 insertions(+)

Comment 2 NATTkA bot gentoo-dev

2021-01-12 18:16:52 UTC Comment hidden (obsolete)

Unable to check for sanity:

> no match for package: media-video/vlc-3.0.12.1

Comment 3 NATTkA bot gentoo-dev

2021-01-12 18:32:59 UTC Comment hidden (obsolete)

Sanity check failed:

> media-video/vlc-3.0.12.1
>   depend amd64 dev profile default/linux/amd64/17.0/no-multilib/prefix/kernel-3.2+ (6 total)
>     >=net-libs/srt-1.4.2
>   depend amd64 stable profile default/linux/amd64/17.1 (53 total)
>     >=net-libs/srt-1.4.2
>   rdepend amd64 dev profile default/linux/amd64/17.0/no-multilib/prefix/kernel-3.2+ (6 total)
>     >=net-libs/srt-1.4.2
>   rdepend amd64 stable profile default/linux/amd64/17.1 (53 total)
>     >=net-libs/srt-1.4.2

Comment 4 NATTkA bot gentoo-dev

2021-01-17 20:00:52 UTC Comment hidden (obsolete)

Unable to check for sanity:

> dependent bug #761547 is missing keywords

Comment 5 Agostino Sarubbo gentoo-dev

2021-01-20 07:55:13 UTC

amd64 stable

Comment 6 Agostino Sarubbo gentoo-dev

2021-01-24 12:11:29 UTC

x86 stable

Comment 7 Sam James archtester

2021-01-24 21:59:56 UTC

arm64 done

Comment 8 Sam James archtester

2021-01-27 23:31:32 UTC

- ppc, ppc64 both did -r100 as part of the Lua mega-stable bug, which works for us, as it's not vulnerable, and as the rest of slotted Lua is stable anyway, an unslotted version is undesirable.

- arm doesn't have stable VLC, just srt, so let's move it out of this bug.

Comment 9 Larry the Git Cow gentoo-dev

2021-01-27 23:33:46 UTC

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

https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=076307567eebf29a50f49703a6b371cfb6f5efce

commit 076307567eebf29a50f49703a6b371cfb6f5efce
Author:     Sam James <sam@gentoo.org>
AuthorDate: 2021-01-27 23:33:41 +0000
Commit:     Sam James <sam@gentoo.org>
CommitDate: 2021-01-27 23:33:41 +0000

    media-video/vlc: security cleanup
    
    Bug: https://bugs.gentoo.org/765040
    Package-Manager: Portage-3.0.14, Repoman-3.0.2
    Signed-off-by: Sam James <sam@gentoo.org>

 media-video/vlc/Manifest                 |   1 -
 media-video/vlc/vlc-3.0.11.1-r1.ebuild   | 492 ------------------------------
 media-video/vlc/vlc-3.0.11.1-r101.ebuild | 503 -------------------------------
 media-video/vlc/vlc-3.0.11.1.ebuild      | 491 ------------------------------
 media-video/vlc/vlc-3.0.12.1.ebuild      | 499 ------------------------------
 5 files changed, 1986 deletions(-)

Comment 10 NATTkA bot gentoo-dev

2021-01-27 23:36:55 UTC

Unable to check for sanity:

> no match for package: media-video/vlc-3.0.12.1

Comment 11 GLSAMaker/CVETool Bot gentoo-dev

2021-01-29 00:04:57 UTC

This issue was resolved and addressed in
 GLSA 202101-37 at https://security.gentoo.org/glsa/202101-37
by GLSA coordinator Aaron Bauman (b-man).