Bug 1106851 – VUL-1: CVE-2018-16336: exiv2: Exiv2::Internal::PngChunk::parseTXTChunk in Exiv2 v0.26 allows remote attackersto cause a denial of service (heap-based buffer over-read) via a crafted imagefile, a different vulnerability than CVE-2018-10999

Bug 1106851 - (CVE-2018-16336) VUL-1: CVE-2018-16336: exiv2: Exiv2::Internal::PngChunk::parseTXTChunk in Exiv2 v0.26 allows remote attackersto cause a denial of service (heap-based buffer over-read) via a crafted imagefile, a different vulnerability than CVE-2018-10999

(CVE-2018-16336)
Summary:	VUL-1: CVE-2018-16336: exiv2: Exiv2::Internal::PngChunk::parseTXTChunk in Exi...

Status:	RESOLVED WONTFIX

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

Priority:	P4 - Low Severity: Minor
Target Milestone:	---
Assigned To:	Dirk Mueller
QA Contact:	Security Team bot

URL:	https://smash.suse.de/issue/213626/
Whiteboard:	CVSSv3:SUSE:CVE-2018-16336:3.3:(AV:L/...
Keywords:

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Reported:	2018-09-03 05:38 UTC by Marcus Meissner
Modified:	2018-10-01 22:39 UTC (History)
CC List:	2 users (show)

See Also:
Found By:	Security Response Team
Services Priority:
Business Priority:
Blocker:	---
Marketing QA Status:	---
IT Deployment:	---

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poc1-heapoverflow (372 bytes, image/png) 2018-09-03 05:44 UTC, Marcus Meissner	Details
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Description Marcus Meissner 2018-09-03 05:38:06 UTC

CVE-2018-16336

Exiv2::Internal::PngChunk::parseTXTChunk in Exiv2 v0.26 allows remote attackers
to cause a denial of service (heap-based buffer over-read) via a crafted image
file, a different vulnerability than CVE-2018-10999.

References:
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2018-16336
https://github.com/Exiv2/exiv2/issues/400

Comment 1 Marcus Meissner 2018-09-03 05:44:44 UTC

Created attachment 781640 [details]
poc1-heapoverflow

QA REPRODUCER:

valgrind exiv2 poc1-heapoverflow

should not report invalid reads

Comment 2 Johannes Segitz 2018-09-14 07:13:33 UTC

SUSE will not provide a fix for this issue since the risk to our customers posed by this is negligible.