Bug 1173070 – VUL-0: CVE-2020-13999: libEMF: integer overflow and denial of service in ScaleViewPortExtEx

Bug 1173070 - (CVE-2020-13999) VUL-0: CVE-2020-13999: libEMF: integer overflow and denial of service in ScaleViewPortExtEx

(CVE-2020-13999)
Summary:	VUL-0: CVE-2020-13999: libEMF: integer overflow and denial of service in Scal...

Status:	NEW

Classification:	Novell Products
Product:	SUSE Security Incidents
Classification:	Novell Products
Component:	Incidents
Version:	unspecified
Hardware:	Other Other

Priority:	P3 - Medium Severity: Minor
Target Milestone:	---
Assigned To:	Jason Sikes
QA Contact:	Security Team bot

URL:	https://smash.suse.de/issue/261541/
Whiteboard:	CVSSv3.1:SUSE:CVE-2020-13999:5.5:(AV:...
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Reported:	2020-06-17 12:31 UTC by Robert Frohl
Modified:	2021-11-16 10:45 UTC (History)
CC List:	1 user (show)

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Found By:	Security Response Team
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Description Robert Frohl 2020-06-17 12:31:10 UTC

CVE-2020-13999

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

References:
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2020-13999
http://people.canonical.com/~ubuntu-security/cve/2020/CVE-2020-13999.html
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-13999
https://sourceforge.net/projects/libemf/
http://libemf.sourceforge.net/index.html
https://sourceforge.net/p/libemf/news/2020/06/release-of-libemf-1013/
https://sourceforge.net/p/libemf/code/HEAD/tree/

Comment 1 Robert Frohl 2020-06-17 12:31:52 UTC

relevant diff:
https://sourceforge.net/p/libemf/code/98/tree//trunk/libemf/libemf.cpp?diff=50c6360b34309d09be9d1a1b:97

Comment 2 Robert Frohl 2020-06-17 12:38:39 UTC

tracking both SUSE:SLE-12:Update and SUSE:SLE-15:Update as affected.

Comment 3 Robert Frohl 2020-06-17 12:41:17 UTC

maybe it makes sense to include the sanity check, that x_num, x_den, y_num, y_den are not 0, into the diff.