Bug 1728484 (CVE-2019-13109)

Summary:	CVE-2019-13109 exiv2: denial of service in PngImage::readMetadata
Product:	[Other] Security Response	Reporter:	Dhananjay Arunesh <darunesh>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED ERRATA	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	jgrulich, michel, rdieter, rschiron
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	exiv2 0.27.2	Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2020-04-28 16:32:59 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:	1728485, 1730385, 1730386
Bug Blocks:	1728496

Description Dhananjay Arunesh 2019-07-10 05:01:59 UTC

An integer overflow in Exiv2 through 0.27.1 allows an attacker to cause a denial of service (SIGSEGV) via a crafted PNG image file, because PngImage::readMetadata mishandles a chunkLength - iccOffset subtraction.

Reference:
https://github.com/Exiv2/exiv2/issues/790
https://github.com/Exiv2/exiv2/pull/795

Comment 1 Dhananjay Arunesh 2019-07-10 05:02:10 UTC

Created exiv2 tracking bugs for this issue:

Affects: fedora-all [bug 1728485]

Comment 2 Riccardo Schirone 2019-07-16 13:54:52 UTC

Upstream patches:
https://github.com/Exiv2/exiv2/commit/491c3ebe3b3faa6d8f75fb28146186792c2439da [master branch]
https://github.com/Exiv2/exiv2/commit/6fa2e31206127bd8bcac0269311f3775a8d6ea21 [0.27-maintenance branch]

Comment 5 errata-xmlrpc 2020-04-28 15:27:35 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2020:1577 https://access.redhat.com/errata/RHSA-2020:1577

Comment 6 Product Security DevOps Team 2020-04-28 16:32:59 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-2019-13109