Bug 1834968 (CVE-2020-12761)

Summary:	CVE-2020-12761 imlib2: integer overflow leading to an out-of-bounds read due to an icon with many colors in its color map
Product:	[Other] Security Response	Reporter:	Guilherme de Almeida Suckevicz <gsuckevi>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED UPSTREAM	QA Contact:
Severity:	high	Docs Contact:
Priority:	high
Version:	unspecified	CC:	andreas.bierfert, pahan, tsmetana
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2020-05-12 22:32:12 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	1834969, 1834970
Bug Blocks:

Description Guilherme de Almeida Suckevicz 2020-05-12 19:00:53 UTC

modules/loaders/loader_ico.c in imlib2 1.6.0 has an integer overflow (with resultant invalid memory allocations and out-of-bounds reads) via an icon with many colors in its color map.

Reference and upstream commit:
https://git.enlightenment.org/legacy/imlib2.git/commit/?id=c95f938ff1effaf91729c050a0f1c8684da4dd63

Comment 1 Guilherme de Almeida Suckevicz 2020-05-12 19:01:12 UTC

Created imlib2 tracking bugs for this issue:

Affects: epel-all [bug 1834970]
Affects: fedora-all [bug 1834969]

Comment 2 Product Security DevOps Team 2020-05-12 22:32:12 UTC

This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Refer to the dependent bugs for status of those individual community products.