Bug 659038 (CVE-2018-12648)

Summary:	<media-libs/exempi-2.4.5-r1: NULL pointer dereference may cause denial of service (CVE-2018-12648)
Product:	Gentoo Security	Reporter:	Florian Schuhmacher <mynt1aa>
Component:	Vulnerabilities	Assignee:	Gentoo Security <security>
Status:	RESOLVED FIXED
Severity:	normal	CC:	freedesktop-bugs
Priority:	Normal	Flags:	stable-bot: sanity-check+
Version:	unspecified
Hardware:	All
OS:	Linux
URL:	https://gitlab.freedesktop.org/libopenraw/exempi/issues/9
Whiteboard:	B3 [noglsa cve]
Package list:	media-libs/exempi-2.4.5-r1	Runtime testing required:	---

Description Florian Schuhmacher 2018-06-25 06:34:05 UTC

Exempi through version 2.4.5 is vulnerable to a NULL pointer dereference in the WEBP_Support.hpp:WEBP::GetLE32() function. An attacker could exploit this to cause a denial of service via a crafted file.

Gentoo Security Scout
Florian Schuhmacher

Comment 1 Larry the Git Cow gentoo-dev

2018-09-30 16:48:43 UTC

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

https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=73a84757832eef175ea2b082378277d546c8accc

commit 73a84757832eef175ea2b082378277d546c8accc
Author:     Andreas Sturmlechner <asturm@gentoo.org>
AuthorDate: 2018-09-30 16:46:58 +0000
Commit:     Andreas Sturmlechner <asturm@gentoo.org>
CommitDate: 2018-09-30 16:46:58 +0000

    media-libs/exempi: Fix CVE-2018-12648
    
    Bug: https://bugs.gentoo.org/659038
    Signed-off-by: Andreas Sturmlechner <asturm@gentoo.org>
    Package-Manager: Portage-2.3.50, Repoman-2.3.11

 media-libs/exempi/exempi-2.4.5-r1.ebuild           | 58 ++++++++++++++++++++++
 .../exempi/files/exempi-2.4.5-CVE-2018-12648.patch | 42 ++++++++++++++++
 2 files changed, 100 insertions(+)

Comment 2 Thomas Deutschmann (RETIRED) gentoo-dev

2018-10-01 21:48:11 UTC

x86 stable

Comment 3 Tobias Klausmann (RETIRED) gentoo-dev

2018-10-02 14:04:03 UTC

Stable on alpha.

Comment 4 Rolf Eike Beer archtester

2018-10-04 21:07:48 UTC

sparc done.

Comment 5 Agostino Sarubbo gentoo-dev

2018-10-05 13:44:03 UTC

amd64 stable

Comment 6 Matt Turner gentoo-dev

2018-10-06 16:17:23 UTC

ppc/ppc64 stable

Comment 7 Andreas Sturmlechner gentoo-dev

2018-10-06 20:43:39 UTC

No arm, hppa, ia64 revdeps, removing from stable list.

Comment 8 Larry the Git Cow gentoo-dev

2018-10-06 20:45:15 UTC

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

https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=5b7205c0084397703a7865bd397d64243347403b

commit 5b7205c0084397703a7865bd397d64243347403b
Author:     Andreas Sturmlechner <asturm@gentoo.org>
AuthorDate: 2018-10-06 19:47:32 +0000
Commit:     Andreas Sturmlechner <asturm@gentoo.org>
CommitDate: 2018-10-06 20:45:02 +0000

    media-libs/exempi: Security cleanup
    
    Bug: https://bugs.gentoo.org/659038
    Signed-off-by: Andreas Sturmlechner <asturm@gentoo.org>
    Package-Manager: Portage-2.3.50, Repoman-2.3.11

 media-libs/exempi/exempi-2.4.5.ebuild | 52 -----------------------------------
 1 file changed, 52 deletions(-)