Bug 918436 (CVE-2023-36193, CVE-2023-46009)

Summary:	<media-gfx/gifsicle-1.94: floating point exception DoS
Product:	Gentoo Security	Reporter:	John Helmert III <ajak>
Component:	Vulnerabilities	Assignee:	Gentoo Security <security>
Status:	CONFIRMED ---
Severity:	minor	CC:	ajak, hanno, maintainer-needed
Priority:	Normal
Version:	unspecified
Hardware:	All
OS:	Linux
URL:	https://github.com/kohler/gifsicle/issues/196
Whiteboard:	B3 [glsa? cleanup]
Package list:		Runtime testing required:	---
Bug Depends on:	923912
Bug Blocks:

Description John Helmert III archtester

2023-11-24 21:38:36 UTC

CVE-2023-46009:

gifsicle-1.94 was found to have a floating point exception (FPE) vulnerability via resize_stream at src/xform.c.

Patches available, seemingly no release yet:

https://github.com/kohler/gifsicle/commit/76b1f021dd185ceff7b4a71a9f96a6026aca06af
https://github.com/kohler/gifsicle/commit/06d533628b1f3a75d06cbb29773dc6aaa2916fc3

Comment 1 John Helmert III archtester

2023-11-24 21:39:38 UTC

CVE-2023-36193 (https://github.com/kohler/gifsicle/issues/191):

Gifsicle v1.9.3 was discovered to contain a heap buffer overflow via the ambiguity_error component at /src/clp.c.

This one's fixed in 1.94: https://github.com/kohler/gifsicle/commit/e21a05a00855b3e647302f06683aca743ae08deb

Comment 2 Larry the Git Cow gentoo-dev

2024-02-04 13:40:55 UTC

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

https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=df23eb8615a940966c296847601bcb91d3bb8435

commit df23eb8615a940966c296847601bcb91d3bb8435
Author:     Hanno Böck <hanno@gentoo.org>
AuthorDate: 2024-02-04 13:32:13 +0000
Commit:     Hanno Böck <hanno@gentoo.org>
CommitDate: 2024-02-04 13:40:36 +0000

    media-gfx/gifsicle: Version bump and security fix
    
    CVE-2023-36193 is fixed in 1.94.
    CVE-2023-46009 fixed by patch from upstream repo (not released yet).
    
    Bug: https://bugs.gentoo.org/918436
    Signed-off-by: Hanno Böck <hanno@gentoo.org>

 media-gfx/gifsicle/Manifest                        |  1 +
 .../files/gifsicle-1.94-CVE-2023-46009.patch       | 94 ++++++++++++++++++++++
 media-gfx/gifsicle/gifsicle-1.94.ebuild            | 33 ++++++++
 3 files changed, 128 insertions(+)