Bug 1624977 (CVE-2018-16336)

Summary:	CVE-2018-16336 exiv2: heap-based buffer over-read via a crafted image file
Product:	[Other] Security Response	Reporter:	Laura Pardo <lpardo>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED WONTFIX	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	jgrulich, michel, rdieter
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2019-07-12 13:05:59 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:	1624978, 1624979
Bug Blocks:	1624980

Description Laura Pardo 2018-09-03 19:17:59 UTC

A flaw was found in 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:
https://github.com/Exiv2/exiv2/issues/400

Comment 1 Laura Pardo 2018-09-03 19:18:28 UTC

Created exiv2 tracking bugs for this issue:

Affects: fedora-all [bug 1624978]

Comment 3 Huzaifa S. Sidhpurwala 2018-09-05 04:54:51 UTC

Upstream patch:
https://github.com/Exiv2/exiv2/commit/35b3e596edacd2437c2c5d3dd2b5c9502626163d

Comment 4 Product Security DevOps Team 2019-07-12 13:05:59 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-2018-16336