Bug 1771309 (CVE-2019-15133)

Summary:	CVE-2019-15133 giflib: divide-by-zero exception in the decoder function DGifSlurp in dgif_lib.c
Product:	[Other] Security Response	Reporter:	Dhananjay Arunesh <darunesh>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED NOTABUG	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	hvyas, jaromir.capik, manisandro, nforro, puebele, sisharma, vbellur, vgaikwad
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	giflib 5.1.8	Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2020-01-17 14:09:34 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:	1771311, 1771312
Bug Blocks:	1771310

Description Dhananjay Arunesh 2019-11-12 07:16:02 UTC

A vulnerability was found in GIFLIB before 2019-02-16, a malformed GIF file triggers a divide-by-zero exception in the decoder function DGifSlurp in dgif_lib.c if the height field of the ImageSize data structure is equal to zero.

Reference:
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=13008

Comment 1 Dhananjay Arunesh 2019-11-12 07:16:53 UTC

Created giflib tracking bugs for this issue:

Affects: fedora-all [bug 1771311]


Created mingw-giflib tracking bugs for this issue:

Affects: fedora-all [bug 1771312]

Comment 2 Stefan Cornelius 2020-01-17 09:59:23 UTC

Patch:
https://sourceforge.net/p/giflib/code/ci/799eb6a3af8a3dd81e2429bf11a72a57e541f908/

Comment 3 Product Security DevOps Team 2020-01-17 14:09:34 UTC

This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2019-15133