Bug 1576111 – CVE-2018-10733 libgxps: heap based buffer over read in ft_font_face_hash function of gxps-fonts.c

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Bug 1576111 - (CVE-2018-10733) CVE-2018-10733 libgxps: heap based buffer over read in ft_font_face_hash function of gxps-fonts.c

Summary:	CVE-2018-10733 libgxps: heap based buffer over read in ft_font_face_hash func...

Status:	NEW

Aliases:	CVE-2018-10733

Product:	Security Response
Classification:	Other
Component:	vulnerability (Show other bugs)
Sub Component:
Version:	unspecified
Hardware:	All Linux

Priority	low Severity low
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Assigned To:	Red Hat Product Security
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Whiteboard:	impact=low,public=20180504,reported=2...
Keywords:	Security

Depends On:	1576112 1576113 1591114 1591115
Blocks:	1576114
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Reported:	2018-05-08 17:22 EDT by Laura Pardo
Modified:	2018-10-30 03:42 EDT (History)
CC List:	1 user (show)

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External Trackers
Tracker	ID	Priority	Status	Summary	Last Updated
Red Hat Product Errata	RHSA-2018:3140	None	None	None	2018-10-30 03:42 EDT

Groups: None (edit)

Description Laura Pardo 2018-05-08 17:22:03 EDT

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 17:22:24 EDT

Created libgxps tracking bugs for this issue:

Affects: fedora-all [bug 1576112]

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

Acknowledgments:

Name: chenyuan (NESA Lab)

Comment 6 errata-xmlrpc 2018-10-30 03:42:20 EDT

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

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