Bug 1850254 (CVE-2020-13999)

Summary:	CVE-2020-13999 libemf: Integer overflow which could result in denial of service
Product:	[Other] Security Response	Reporter:	Michael Kaplan <mkaplan>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED WONTFIX	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	databases-maint, dominik, itamar, mmuzila, mplch, mschorm, rob.myers
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	libEMF-1.0.13	Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2020-07-14 19:27:37 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:	1850255
Bug Blocks:	1850256

Description Michael Kaplan 2020-06-23 19:54:26 UTC

ScaleViewPortExtEx in libemf.cpp in libEMF (aka ECMA-234 Metafile Library) through 1.0.12 allows an integer overflow and denial of service via a crafted EMF file.

References:

http://libemf.sourceforge.net/index.html
https://sourceforge.net/p/libemf/code/HEAD/tree/
https://sourceforge.net/p/libemf/news/2020/06/release-of-libemf-1013/
https://sourceforge.net/projects/libemf/

Comment 1 Michael Kaplan 2020-06-23 19:54:41 UTC

Created libEMF tracking bugs for this issue:

Affects: fedora-all [bug 1850255]

Comment 2 Doran Moppert 2020-07-08 02:31:01 UTC

Statement:

libEMF is a C/C++ library which provides a drawing toolkit based on ECMA-234. The general purpose of this library is to create vector graphics files on POSIX systems which can be imported into OpenOffice.org or LibreOffice. Programs compiled with libEMF, output ECMA-234 graphics files locally which can be then imported into desktop applications. Therefore this vulnerability can only be triggered via maliciously written applications compiled with libEMF.

Comment 3 Product Security DevOps Team 2020-07-14 19:27:37 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-2020-13999