Bug 2043722 (CVE-2021-44648)

Summary:	CVE-2021-44648 gdk-pixbuf: heap-buffer overflow when decoding the lzw compressed stream of image data
Product:	[Other] Security Response	Reporter:	Todd Cullum <tcullum>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED ERRATA	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	erik-fedora, eterrell, fedora, gnome-sig, klember, manisandro, mclasen, otte, rh-spice-bugs, rjones, virt-maint
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 gdk-pixbuf. The vulnerability occurs due to the index overwriting in the lzw_decoder_new function, leading to a heap buffer overflow. This flaw allows an attacker to input a specially crafted GIF file, leading to a crash or code execution.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2023-05-09 14:47:02 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:	2044345, 2044346, 2046622, 2049411
Bug Blocks:	2043718

Description Todd Cullum 2022-01-21 20:25:11 UTC

GNOME gdk-pixbuf 2.42.6 is vulnerable to a heap-buffer overflow vulnerability
when decoding the lzw compressed stream of image data in GIF files with lzw
minimum code size equals to 12.

References:
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-44648
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-44648
http://www.cvedetails.com/cve/CVE-2021-44648/
https://gitlab.gnome.org/GNOME/gdk-pixbuf/-/issues/136
https://sahildhar.github.io/blogpost/GdkPixbuf-Heap-Buffer-Overflow-in-lzw_decoder_new/

Comment 3 Sandipan Roy 2022-01-27 05:16:41 UTC

Created gdk-pixbuf2 tracking bugs for this issue:

Affects: fedora-all [bug 2046622]

Comment 4 Sandipan Roy 2022-02-02 07:36:05 UTC

Created mingw-gdk-pixbuf tracking bugs for this issue:

Affects: fedora-all [bug 2049411]

Comment 5 errata-xmlrpc 2023-05-09 07:18:04 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2023:2216 https://access.redhat.com/errata/RHSA-2023:2216

Comment 6 Product Security DevOps Team 2023-05-09 14:46:59 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-2021-44648