Bug 2002678 (CVE-2020-18898)

Summary:	CVE-2020-18898 exiv2: stack exhaustion issue in the printIFDStructure function may lead to DoS
Product:	[Other] Security Response	Reporter:	Marian Rehak <mrehak>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED ERRATA	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	jgrulich, manisandro, michel, rdieter
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	exiv2 0.27.5	Doc Type:	If docs needed, set a value
Doc Text:	The exiv2 program is susceptible to a stack exhaustion issue via a crafted file. The cause of this vulnerability, is due to a flaw in the code which could allow remote attackers to cause a denial of service (DOS). The highest threat from this vulnerability is availability.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2022-05-11 21:15:21 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:	2002679, 2002680, 2003669, 2003670, 2003673
Bug Blocks:	2002681

Description Marian Rehak 2021-09-09 13:32:36 UTC

A stack exhaustion issue in the printIFDStructure function of Exiv2 0.27 allows remote attackers to cause a denial of service (DOS) via a crafted file.

Upstream Issue:

https://github.com/Exiv2/exiv2/issues/741

Comment 1 Marian Rehak 2021-09-09 13:32:56 UTC

Created exiv2 tracking bugs for this issue:

Affects: fedora-all [bug 2002680]


Created mingw-exiv2 tracking bugs for this issue:

Affects: fedora-all [bug 2002679]

Comment 4 devthomp 2021-09-13 13:14:48 UTC

Patch:
https://github.com/Exiv2/exiv2/pull/558

Comment 6 errata-xmlrpc 2022-05-10 13:29:56 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2022:1797 https://access.redhat.com/errata/RHSA-2022:1797

Comment 7 errata-xmlrpc 2022-05-10 13:45:52 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2022:1842 https://access.redhat.com/errata/RHSA-2022:1842

Comment 8 Product Security DevOps Team 2022-05-11 21:15:20 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-2020-18898