Bug 1566731 (CVE-2018-9304)

Summary:	CVE-2018-9304 exiv2: divide by zero in BigTiffImage::printIFD in bigtiffimage.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:	2018-04-18 11:55:28 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
Bug Blocks:	1566728

Description Laura Pardo 2018-04-12 21:30:26 UTC

A flaw was found in Exiv2 0.26, a divide by zero in BigTiffImage::printIFD in bigtiffimage.cpp could result in denial of service.


References:
https://github.com/Exiv2/exiv2/issues/262
https://github.com/xiaoqx/pocs/blob/master/exiv2/readme.md

Comment 1 Laura Pardo 2018-04-12 21:42:15 UTC

Created exiv2 tracking bugs for this issue:

Affects: fedora-all [bug 1566727]

Comment 3 Riccardo Schirone 2018-04-18 11:55:39 UTC

Statement:

This issue did not affect the versions of Exiv2 as shipped with Red Hat Enterprise Linux 6 and 7 as they did not include support for BigTIFF images.

Comment 5 errata-xmlrpc 2020-04-28 15:27:05 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