Bug 1487210 (CVE-2017-12957)

Summary:	CVE-2017-12957 exiv2: Heap-based buffer over-read in Exiv2::Image::io function
Product:	[Other] Security Response	Reporter:	Andrej Nemec <anemec>
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:	2019-06-08 03:23:19 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:	1475370, 1482423
Bug Blocks:

Description Andrej Nemec 2017-08-31 12:41:55 UTC

There is a heap-based buffer over-read in libexiv2 in Exiv2 0.26 that is triggered in the Exiv2::Image::io function in image.cpp. It will lead to denial of service

Product bug:

https://bugzilla.redhat.com/show_bug.cgi?id=1482423

Comment 1 Andrej Nemec 2017-08-31 12:43:06 UTC

Created exiv2 tracking bugs for this issue:

Affects: fedora-all [bug 1475370]