Bug 1198880 – VUL-1: CVE-2022-28506: giflib: Heap Buffer overflow in function DumpScreen2RGB()

Bug 1198880 - (CVE-2022-28506) VUL-1: CVE-2022-28506: giflib: Heap Buffer overflow in function DumpScreen2RGB()

(CVE-2022-28506)
Summary:	VUL-1: CVE-2022-28506: giflib: Heap Buffer overflow in function DumpScreen2RGB()

Status:	NEW

Classification:	Novell Products
Product:	SUSE Security Incidents
Classification:	Novell Products
Component:	Incidents
Version:	unspecified
Hardware:	Other Other

Priority:	P4 - Low Severity: Normal
Target Milestone:	---
Assigned To:	Fridrich Strba
QA Contact:	Security Team bot

URL:	https://smash.suse.de/issue/329997/
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Reported:	2022-04-26 10:32 UTC by Hu
Modified:	2022-04-26 11:15 UTC (History)
CC List:	1 user (show)

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Found By:	Security Response Team
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Blocker:	---
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QA Reproducer (1.38 KB, image/gif) 2022-04-26 10:37 UTC, Hu	Details
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Description Hu 2022-04-26 10:32:48 UTC

rh#2078745

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

References:
https://bugzilla.redhat.com/show_bug.cgi?id=2078745
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2022-28506
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-28506
https://github.com/verf1sh/Poc/blob/master/asan_report_giflib.png
https://github.com/verf1sh/Poc/blob/master/giflib_poc
https://sourceforge.net/p/giflib/bugs/159/

Comment 1 Hu 2022-04-26 10:33:31 UTC

Affected:
- openSUSE:Factory/giflib     5.2.1

Not affected:
- SUSE:SLE-11:Update/giflib   4.1.6
- SUSE:SLE-12:Update/giflib   5.0.5
- SUSE:SLE-15:Update/giflib   5.1.4

Comment 2 Hu 2022-04-26 10:37:30 UTC

Created attachment 858432 [details]
QA Reproducer

1. Compile with ASAN: add "-fsanitize=address" to the CFLAGS in the Makefile
2. make
3. ./gif2rgb giflib_poc

Comment 3 Hu 2022-04-26 10:40:01 UTC

There is no upstream fix yet.