Bug 1576111 (CVE-2018-10733)

Summary:	CVE-2018-10733 libgxps: heap based buffer over read in ft_font_face_hash function of gxps-fonts.c
Product:	[Other] Security Response	Reporter:	Laura Pardo <lpardo>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED ERRATA	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	mkasik
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2019-06-10 10:21:37 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:	1576112, 1576113, 1591114, 1591115
Bug Blocks:	1576114

Description Laura Pardo 2018-05-08 21:22:03 UTC

A flaw was found in libgxps through 0.3.0. There is a heap-based buffer over-read in the function ft_font_face_hash of gxps-fonts.c. A crafted input will lead to a remote denial of service attack.


References:
https://bugzilla.redhat.com/show_bug.cgi?id=1574844

Patches:
https://git.gnome.org/browse/libgxps/commit/?id=b458226e162fe1ffe7acb4230c114a52ada5131b
https://git.gnome.org/browse/libgxps/commit/?id=133fe2a96e020d4ca65c6f64fb28a404050ebbfd

Comment 1 Laura Pardo 2018-05-08 21:22:24 UTC

Created libgxps tracking bugs for this issue:

Affects: fedora-all [bug 1576112]

Comment 4 Stefan Cornelius 2018-06-14 06:02:21 UTC

Acknowledgments:

Name: chenyuan (NESA Lab)

Comment 6 errata-xmlrpc 2018-10-30 07:42:20 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2018:3140 https://access.redhat.com/errata/RHSA-2018:3140