Bug 1483880 – CVE-2017-12596 OpenEXR: heap-based buffer over-read in hufDecode function

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Bug 1483880 - (CVE-2017-12596) CVE-2017-12596 OpenEXR: heap-based buffer over-read in hufDecode function

Summary:	CVE-2017-12596 OpenEXR: heap-based buffer over-read in hufDecode function

Status:	NEW

Aliases:	CVE-2017-12596

Product:	Security Response
Classification:	Other
Component:	vulnerability (Show other bugs)
Sub Component:
Version:	unspecified
Hardware:	All Linux

Priority	low Severity low
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Assigned To:	Red Hat Product Security
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Whiteboard:	impact=low,public=20170729,reported=2...
Keywords:	Security

Depends On:	1483882 1483881
Blocks:
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Reported:	2017-08-22 04:18 EDT by Adam Mariš
Modified:	2017-08-22 09:25 EDT (History)
CC List:	4 users (show)

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Description Adam Mariš 2017-08-22 04:18:57 EDT

In OpenEXR 2.2.0, a crafted image causes a heap-based buffer over-read
in the hufDecode function in IlmImf/ImfHuf.cpp during exrmaketiled
execution; it may result in denial of service or possibly unspecified
other impact.

Reference:

https://github.com/xiaoqx/pocs/blob/master/openexr.md

Comment 1 Adam Mariš 2017-08-22 04:19:17 EDT

Created OpenEXR tracking bugs for this issue:

Affects: fedora-all [bug 1483882]


Created mingw-OpenEXR tracking bugs for this issue:

Affects: fedora-all [bug 1483881]

Comment 2 Rex Dieter 2017-08-22 09:25:07 EDT

Following upstream issue @ https://github.com/openexr/openexr/issues/238

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