Bug 1530539 (CVE-2017-1000421)

Summary:	CVE-2017-1000421 gifsicle: use-after-free in the read_gif function
Product:	[Other] Security Response	Reporter:	Adam Mariš <amaris>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED UPSTREAM	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	orion
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	gifsicle 1.90	Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2019-06-08 03:36:06 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:	1530540, 1530541
Bug Blocks:

Description Adam Mariš 2018-01-03 10:14:36 UTC

Gifsicle gifview 1.89 and older is vulnerable to a use-after-free in the read_gif function resulting potential code execution.

Upstream bug:

https://github.com/kohler/gifsicle/issues/114

Upstream patch:

https://github.com/kohler/gifsicle/commit/81fd7823f6d9c85ab598bc850e40382068361185

Comment 1 Adam Mariš 2018-01-03 10:14:57 UTC

Created gifsicle tracking bugs for this issue:

Affects: epel-all [bug 1530541]
Affects: fedora-all [bug 1530540]

Comment 2 Product Security DevOps Team 2019-06-08 03:36:06 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.