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: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED ERRATA QA Contact:
Severity: low Docs Contact:
Priority: low    
Version: unspecifiedCC: jaromir.capik, manisandro, nforro, oliver, rdieter
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
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:
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.


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

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 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):


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