Bug 1828995 (CVE-2020-11763)

Summary:	CVE-2020-11763 OpenEXR: std::vector out-of-bounds read and write in ImfTileOffsets.cpp
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:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	CC:	jridky, kwizart, manisandro, rdieter, rh-spice-bugs
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	OpenEXR 2.4.1	Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2020-09-29 22:00:37 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:	1828996, 1828997, 1833565, 1833566, 1833567
Bug Blocks:	1829017

Description Guilherme de Almeida Suckevicz 2020-04-28 17:16:30 UTC

An issue was discovered in OpenEXR before 2.4.1. There is an std::vector out-of-bounds read and write, as demonstrated by ImfTileOffsets.cpp.

References:
https://bugs.chromium.org/p/project-zero/issues/detail?id=1987
https://github.com/AcademySoftwareFoundation/openexr/blob/master/CHANGES.md#version-241-february-11-2020

Comment 1 Guilherme de Almeida Suckevicz 2020-04-28 17:16:49 UTC

Created OpenEXR tracking bugs for this issue:

Affects: fedora-all [bug 1828996]


Created mingw-OpenEXR tracking bugs for this issue:

Affects: fedora-all [bug 1828997]

Comment 3 Todd Cullum 2020-05-08 22:21:03 UTC

Mitigation:

Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.

Comment 4 Todd Cullum 2020-05-08 22:23:02 UTC

This flaw affects versions of OpenEXR shipped in Red Hat Enterprise Linux 7 and 8.

Comment 6 Todd Cullum 2020-05-12 18:12:26 UTC

Upstream patch: https://github.com/AcademySoftwareFoundation/openexr/pull/643/commits/d0303d1785d2a8cb994efee9efa81f8ee4be4c17

Comment 7 errata-xmlrpc 2020-09-29 20:50:30 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2020:4039 https://access.redhat.com/errata/RHSA-2020:4039

Comment 8 Product Security DevOps Team 2020-09-29 22:00:37 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-2020-11763