Bug 1829002 (CVE-2020-11761) - CVE-2020-11761 OpenEXR: out-of-bounds read during Huffman uncompression
Summary: CVE-2020-11761 OpenEXR: out-of-bounds read during Huffman uncompression
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2020-11761
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1829003 1829004 1834459 1834461 1834462
Blocks: 1829017
TreeView+ depends on / blocked
 
Reported: 2020-04-28 17:22 UTC by Guilherme de Almeida Suckevicz
Modified: 2020-09-29 22:00 UTC (History)
6 users (show)

Fixed In Version: OpenEXR 2.4.1
Doc Type: If docs needed, set a value
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Clone Of:
Environment:
Last Closed: 2020-09-29 22:00:39 UTC
Embargoed:

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System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2020:4039 0 None None None 2020-09-29 20:50:37 UTC

Description Guilherme de Almeida Suckevicz 2020-04-28 17:22:56 UTC 
An issue was discovered in OpenEXR before 2.4.1. There is an out-of-bounds read during Huffman uncompression, as demonstrated by FastHufDecoder::refill in ImfFastHuf.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 17:23:17 UTC 
Created OpenEXR tracking bugs for this issue:

Affects: fedora-all [bug 1829004]


Created mingw-OpenEXR tracking bugs for this issue:

Affects: fedora-all [bug 1829003]
Comment 3 Todd Cullum 2020-05-11 18:38:50 UTC 
OpenEXR versions shipped with Red Hat Enterprise Linux 7 and 8 are affected by this flaw.
Comment 5 Todd Cullum 2020-05-11 18:51:02 UTC 
This commit appears to be part of the upstream patch: https://github.com/AcademySoftwareFoundation/openexr/commit/b1c34c496b62117115b1089b18a44e0031800a09#diff-bc045e5e1fe1f254dd90bd6b7a89cd13
Comment 8 errata-xmlrpc 2020-09-29 20:50:35 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 9 Product Security DevOps Team 2020-09-29 22:00:39 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-2020-11761
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