Bug 1998143 (CVE-2020-18773)

Summary:	CVE-2020-18773 exiv2: invalid memory access in the decode function in iptc.cpp via a crafted tif file
Product:	[Other] Security Response	Reporter:	Guilherme de Almeida Suckevicz <gsuckevi>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED NOTABUG	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	jgrulich, manisandro, 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:	2021-09-14 00:21:09 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:	1998144, 1998145
Bug Blocks:	1998155

Description Guilherme de Almeida Suckevicz 2021-08-26 13:24:53 UTC

An invalid memory access in the decode function in iptc.cpp of Exiv2 0.27.99.0 allows attackers to cause a denial of service (DOS) via a crafted tif file.

Reference:
https://github.com/Exiv2/exiv2/issues/760

Comment 1 Guilherme de Almeida Suckevicz 2021-08-26 13:25:13 UTC

Created exiv2 tracking bugs for this issue:

Affects: fedora-all [bug 1998145]


Created mingw-exiv2 tracking bugs for this issue:

Affects: fedora-all [bug 1998144]

Comment 2 Product Security DevOps Team 2021-09-14 00:21:09 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-2020-18773