Bug 1235665 (CVE-2015-4695)

Summary:	CVE-2015-4695 libwmf: heap buffer overread in meta.h
Product:	[Other] Security Response	Reporter:	Vasyl Kaigorodov <vkaigoro>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED ERRATA	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	caolanm, jrusnack
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	Bug Fix
Doc Text:	It was discovered that libwmf did not properly process certain WMF files. By tricking a victim into opening a specially crafted WMF file in an application using libwmf, a remote attacker could possibly exploit this flaw to cause a crash or execute arbitrary code with the privileges of the user running the application.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2015-10-21 09:31:22 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:	1227428, 1235671, 1239161, 1239162
Bug Blocks:	1227245

Description Vasyl Kaigorodov 2015-06-25 13:11:06 UTC

A read from invalid address was reported in libwmf in couple of places in meta.h file
Originally reported in https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=784205
Patch is attached to BZ 1227243: https://bugzilla.redhat.com/attachment.cgi?id=1042306

Comment 1 Vasyl Kaigorodov 2015-06-25 13:17:17 UTC

Created libwmf tracking bugs for this issue:

Affects: fedora-all [bug 1235671]

Comment 3 errata-xmlrpc 2015-10-20 16:10:59 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7
  Red Hat Enterprise Linux 6

Via RHSA-2015:1917 https://rhn.redhat.com/errata/RHSA-2015-1917.html