Bug 1656187 (CVE-2018-19535)

Summary:	CVE-2018-19535 exiv2: heap-based buffer over-read in PngChunk::readRawProfile in pngchunk_int.cpp
Product:	[Other] Security Response	Reporter:	Laura Pardo <lpardo>
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
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:	2019-08-06 19:20:20 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:	1656188, 1656845, 1656848
Bug Blocks:	1656189

Description Laura Pardo 2018-12-04 22:04:52 UTC

An issue was found in Exiv2 0.26 and previous versions. A heap-based buffer over-read in PngChunk::readRawProfile function in pngchunk_int.cpp may cause a denial of service via a crafted PNG file. 


References:
https://github.com/Exiv2/exiv2/issues/428 
https://github.com/Exiv2/exiv2/pull/430

Comment 1 Laura Pardo 2018-12-04 22:05:26 UTC

Created exiv2 tracking bugs for this issue:

Affects: fedora-all [bug 1656188]

Comment 2 Stefan Cornelius 2018-12-06 13:11:37 UTC

Statement:

This issue affects the versions of exiv2 as shipped with Red Hat Enterprise Linux 6 and 7.

Red Hat Enterprise Linux 6 is now in Maintenance Support 2 Phase of the support and maintenance life cycle. This has been rated as having a security impact of Low, and is not currently planned to be addressed in future updates. For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/.

Comment 5 errata-xmlrpc 2019-08-06 12:14:49 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2019:2101 https://access.redhat.com/errata/RHSA-2019:2101

Comment 6 Product Security DevOps Team 2019-08-06 19:20:20 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-2018-19535

Comment 7 errata-xmlrpc 2020-04-28 15:27:26 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