Bug 1984051 (CVE-2020-36427)

Summary:	CVE-2020-36427 gthumb: DoS via malformed JPEG image
Product:	[Other] Security Response	Reporter:	Guilherme de Almeida Suckevicz <gsuckevi>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED WONTFIX	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	caillon+fedoraproject, carl, chkr, gnome-sig, mclasen, rhughes, rstrode, sandmann
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	gthumb 3.10.1	Doc Type:	If docs needed, set a value
Doc Text:	There's a flaw in gThumb. An attacker who is able to trick a victim into opening a specially crafted file with gThumb could trigger a crash via assertion failure or memory leak. The greatest impact of this flaw is to application availability.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2021-07-29 19:06:56 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:	1984052
Bug Blocks:	1984053

Description Guilherme de Almeida Suckevicz 2021-07-20 14:04:56 UTC

GNOME gThumb before 3.10.1 allows an application crash via a malformed JPEG image.

Reference:
https://mail.gnome.org/archives/gthumb-list/2020-September/msg00001.html

Comment 1 Guilherme de Almeida Suckevicz 2021-07-20 14:05:24 UTC

Created gthumb tracking bugs for this issue:

Affects: epel-7 [bug 1984052]

Comment 2 Todd Cullum 2021-07-29 17:55:53 UTC

Pretty sure this is the upstream patch commit: https://gitlab.gnome.org/GNOME/gthumb/-/commit/9729b8688d5d67c01deabea46ad469ec517250c5 . Please see commit message there for more details.

Comment 3 Todd Cullum 2021-07-29 18:02:18 UTC

Upstream issue with more details and reproduction info: https://gitlab.gnome.org/GNOME/gthumb/-/issues/106

Comment 4 Product Security DevOps Team 2021-07-29 19:06:56 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-2020-36427