Bug 1907513 (CVE-2020-27842)

Summary:	CVE-2020-27842 openjpeg: null pointer dereference in opj_tgt_reset function in lib/openjp2/tgt.c
Product:	[Other] Security Response	Reporter:	Guilherme de Almeida Suckevicz <gsuckevi>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED ERRATA	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	jaromir.capik, manisandro, nforro, oliver, rdieter
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	openjpeg 2.4.0	Doc Type:	If docs needed, set a value
Doc Text:	A flaw was found in OpenJPEG’s t2 encoder. This flaw allows an attacker who can provide crafted input to be processed by OpenJPEG to cause a NULL pointer dereference issue. The highest threat to this vulnerability is to system availability.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2021-11-09 17:53:00 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:	1907679, 1907680, 1907681, 1907682, 1908165
Bug Blocks:	1906158, 1907565

Description Guilherme de Almeida Suckevicz 2020-12-14 16:38:44 UTC

A flaw was found in OpenJPEG. Specially crafted file can lead to an out-of-bounds read in opj_tgt_reset function in lib/openjp2/tgt.c.

Reference:
https://github.com/uclouvain/openjpeg/issues/1294

Comment 1 Todd Cullum 2020-12-15 01:30:07 UTC

Acknowledgments:

Name: zodf0055980 (SQLab NCTU Taiwan)

Comment 2 Todd Cullum 2020-12-15 01:35:05 UTC

Created mingw-openjpeg2 tracking bugs for this issue:

Affects: fedora-all [bug 1907682]


Created openjpeg tracking bugs for this issue:

Affects: fedora-all [bug 1907680]


Created openjpeg2 tracking bugs for this issue:

Affects: epel-7 [bug 1907679]
Affects: fedora-all [bug 1907681]

Comment 3 Todd Cullum 2020-12-15 01:41:47 UTC

Upstream commit: https://github.com/uclouvain/openjpeg/pull/1296/commits/fbd30b064f8f9607d500437b6fedc41431fd6cdc

Comment 6 Product Security DevOps Team 2021-11-09 17:52:58 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-2020-27842

Comment 7 errata-xmlrpc 2021-11-09 17:56:29 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2021:4251 https://access.redhat.com/errata/RHSA-2021:4251