Bug 1635045 (CVE-2018-17581)

Summary:	CVE-2018-17581 exiv2: Stack overflow in CiffDirectory::readDirectory() at crwimage_int.cpp leading to denial of service
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 19:19:51 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:	1635046, 1635047, 1647791
Bug Blocks:	1635048

Description Laura Pardo 2018-10-01 21:37:49 UTC

A flaw was found in Exiv2 0.26. The CiffDirectory::readDirectory() function at crwimage_int.cpp has an excessive stack consumption due to a recursive function, leading to Denial of service.


References:
https://github.com/Exiv2/exiv2/issues/460 	
https://github.com/SegfaultMasters/covering360/blob/master/Exiv2

Comment 1 Laura Pardo 2018-10-01 21:38:18 UTC

Created exiv2 tracking bugs for this issue:

Affects: fedora-all [bug 1635046]

Comment 3 Adam Mariš 2018-11-08 11:27:38 UTC

Upstream patch:

https://github.com/Exiv2/exiv2/commit/b3d077dcaefb6747fff8204490f33eba5a144edb

Comment 6 Adam Mariš 2018-11-09 09:47:16 UTC

Statement:

This issue affects the versions of exiv2 as shipped with Red Hat Enterprise Linux 6. 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 7 errata-xmlrpc 2019-08-06 12:14:46 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 8 Product Security DevOps Team 2019-08-06 19:19:51 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-2018-17581

Comment 9 errata-xmlrpc 2020-04-28 15:27:22 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