Bug 2078745 (CVE-2022-28506)

Summary:	CVE-2022-28506 giflib: buffer overflow in function DumpScreen2RGB()
Product:	[Other] Security Response	Reporter:	Vipul Nair <vinair>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED NOTABUG	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	jaromir.capik, manisandro, mmuzila, nforro, vgaikwad
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	If docs needed, set a value
Doc Text:	A flaw was found in giflib, in the command-line tool gif2rgb. Information disclosure is possible due to a buffer overflow in the DumpScreen2RGB() function.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2022-09-19 18:15:03 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:	2078747, 2078748, 2080225, 2080226
Bug Blocks:	2078746

Description Vipul Nair 2022-04-26 06:50:17 UTC

There is a heap-buffer-overflow in GIFLIB 5.2.1 function DumpScreen2RGB() in gif2rgb.c:298:45.

https://sourceforge.net/p/giflib/bugs/159/
https://github.com/verf1sh/Poc/blob/master/asan_report_giflib.png
https://github.com/verf1sh/Poc/blob/master/giflib_poc

Comment 1 Vipul Nair 2022-04-26 06:54:08 UTC

Created giflib tracking bugs for this issue:

Affects: fedora-all [bug 2078747]


Created mingw-giflib tracking bugs for this issue:

Affects: fedora-all [bug 2078748]