Bug 1907510 (CVE-2020-27841)

Summary:	CVE-2020-27841 openjpeg: heap-based buffer overflows in lib/openjp2/pi.c
Product:	[Other] Security Response	Reporter:	Guilherme de Almeida Suckevicz <gsuckevi>
Component:	vulnerability	Assignee:	Red Hat Product Security <security-response-team>
Status:	CLOSED WONTFIX	QA Contact:
Severity:	low	Docs Contact:
Priority:	low
Version:	unspecified	CC:	hobbes1069, 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 in src/lib/openjp2/pi.c. This flaw allows an attacker who can provide crafted input to be processed by the OpenJPEG encoder to cause an out-of-bounds read. The highest threat from this vulnerability is to system availability.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2020-12-16 04:18:14 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:	1907672, 1907673, 1907674, 1907675
Bug Blocks:	1906158, 1907565

Description Guilherme de Almeida Suckevicz 2020-12-14 16:31:40 UTC

A flaw was found in OpenJPEG. Specially crafted files can lead to multiple heap-based buffer overflows in lib/openjp2/pi.c.

Reference:
https://github.com/uclouvain/openjpeg/issues/1293

Comment 1 Todd Cullum 2020-12-15 01:03:52 UTC

Acknowledgments:

Name: zodf0055980 (SQLab NCTU Taiwan)

Comment 2 Todd Cullum 2020-12-15 01:11:28 UTC

Created mingw-openjpeg2 tracking bugs for this issue:

Affects: fedora-all [bug 1907675]


Created openjpeg tracking bugs for this issue:

Affects: fedora-all [bug 1907673]


Created openjpeg2 tracking bugs for this issue:

Affects: epel-7 [bug 1907672]
Affects: fedora-all [bug 1907674]

Comment 5 Todd Cullum 2020-12-15 01:44:41 UTC

Upstream commit: https://github.com/rouault/openjpeg/commit/00383e162ae2f8fc951f5745bf1011771acb8dce

Comment 6 Todd Cullum 2020-12-16 00:44:52 UTC

Statement:

This issue does not affect openjpeg2 as shipped with Red Hat Enterprise Linux 8 because the affected functionality was introduced in the current master but is absent from the shipped release.

Comment 8 Product Security DevOps Team 2020-12-16 04:18:14 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-2020-27841

Comment 9 RaTasha Tillery-Smith 2021-02-22 18:33:31 UTC

Mitigation:

This flaw could be mitigated if OpenJPEG is not used for converting or encoding images, or untrusted input is not provided for these functions.