Bug 1907516 (CVE-2020-27843)

Summary:	CVE-2020-27843 openjpeg: out-of-bounds read in opj_t2_encode_packet function in openjp2/t2.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. This flaw allows an attacker to provide specially crafted input to the conversion or encoding functionality, causing an out-of-bounds read. The highest threat from this vulnerability is system availability.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2021-11-09 17:53:31 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:	1907685, 1907686, 1907687, 1907688, 1908164
Bug Blocks:	1906158, 1907565

Description Guilherme de Almeida Suckevicz 2020-12-14 16:42:17 UTC

A flaw was found in OpenJPEG. Specially crafted input file can lead to an out-of-bounds read in opj_t2_encode_packet function in openjp2/t2.c.

Reference:
https://github.com/uclouvain/openjpeg/issues/1297

Comment 1 Todd Cullum 2020-12-15 01:46:49 UTC

Created mingw-openjpeg2 tracking bugs for this issue:

Affects: fedora-all [bug 1907688]


Created openjpeg tracking bugs for this issue:

Affects: fedora-all [bug 1907687]


Created openjpeg2 tracking bugs for this issue:

Affects: epel-7 [bug 1907685]
Affects: fedora-all [bug 1907686]

Comment 2 Todd Cullum 2020-12-15 01:51:12 UTC

Acknowledgments:

Name: zodf0055980 (SQLab NCTU Taiwan)

Comment 6 Product Security DevOps Team 2021-11-09 17:53:29 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-2020-27843

Comment 7 errata-xmlrpc 2021-11-09 17:56:33 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