Bug 1578659 (CVE-2018-10958)

Summary:	CVE-2018-10958 exiv2: SIGABRT caused by memory allocation in types.cpp:Exiv2::Internal::PngChunk::zlibUncompress()
Product:	[Other] Security Response	Reporter:	Sam Fowler <sfowler>
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, lpardo, 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 19:18:46 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:	1578660, 1578661, 1582308, 1582309
Bug Blocks:	1578662, 1579499

Description Sam Fowler 2018-05-16 06:13:43 UTC

In types.cpp in Exiv2 0.26, a large size value may lead to a SIGABRT during an attempt at memory allocation for an Exiv2::Internal::PngChunk::zlibUncompress call.


Upstream Issue:

https://github.com/Exiv2/exiv2/issues/302

Comment 1 Sam Fowler 2018-05-16 06:14:07 UTC

Created exiv2 tracking bugs for this issue:

Affects: fedora-all [bug 1578661]

Comment 3 Pedro Yóssis Silva Barbosa 2018-05-24 20:20:25 UTC

Upstream patch:

https://github.com/Exiv2/exiv2/pull/316/files

For RHEL 6 and 7 the code parts are in src/pngimage.cpp (not in src/pngchunk_int.cpp).

Comment 5 Pedro Yóssis Silva Barbosa 2018-05-24 20:23:34 UTC

*** Bug 1579488 has been marked as a duplicate of this bug. ***

Comment 6 errata-xmlrpc 2019-08-06 12:14:35 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 7 Product Security DevOps Team 2019-08-06 19:18:46 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-2018-10958