Bug 1566735 (CVE-2018-9305)

Summary:	CVE-2018-9305 exiv2: out of bounds read in IptcData::printStructure in iptc.c
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, rschiron
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	If docs needed, set a value
Doc Text:	An out-of-bounds read vulnerability has been discovered in IptcData::printStructure in iptc.cpp file of Exiv2 0.26. An attacker could cause a crash or an information leak by providing a crafted image.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2019-08-06 19:18:43 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:	1566727, 1566738, 1568979
Bug Blocks:	1566728

Description Laura Pardo 2018-04-12 21:35:42 UTC

In Exiv2 0.26, an out-of-bounds read in IptcData::printStructure in iptc.cpp
could result in a crash or information leak, due to use of the untrusted `len`
value without any check.


References:
https://github.com/Exiv2/exiv2/issues/263
https://github.com/xiaoqx/pocs/blob/master/exiv2/readme.md

Comment 1 Laura Pardo 2018-04-12 21:42:38 UTC

Created exiv2 tracking bugs for this issue:

Affects: fedora-all [bug 1566727]

Comment 3 Riccardo Schirone 2018-04-18 13:03:33 UTC

Statement:

This issue did not affect the versions of Exiv2 as shipped with Red Hat Enterprise Linux 6 and 7, up to 7.4, as they did not include support for printing IPTC Photo Metadata.

Comment 7 errata-xmlrpc 2019-08-06 12:14:33 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 19:18:43 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-2018-9305

Comment 9 errata-xmlrpc 2020-04-28 15:27:06 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