Bug 1444054 – CVE-2017-7856 libreoffice: Heap-buffer-overflow in SVMConverter::ImplConvertFromSVM1

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Bug 1444054 - (CVE-2017-7856) CVE-2017-7856 libreoffice: Heap-buffer-overflow in SVMConverter::ImplConvertFromSVM1

Summary:	CVE-2017-7856 libreoffice: Heap-buffer-overflow in SVMConverter::ImplConvertF...

Status:	CLOSED NOTABUG

Aliases:	CVE-2017-7856

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

Priority	medium Severity medium
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Assigned To:	Red Hat Product Security
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URL:
Whiteboard:	impact=moderate,public=20170411,repor...
Keywords:	Security

Depends On:	1444065
Blocks:	1444063
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Reported:	2017-04-20 09:36 EDT by Andrej Nemec
Modified:	2017-04-21 09:14 EDT (History)
CC List:	5 users (show)

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Last Closed:	2017-04-21 09:14:57 EDT
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Description Andrej Nemec 2017-04-20 09:36:12 EDT

LibreOffice has an out-of-bounds write caused by a heap-based buffer overflow in the SVMConverter::ImplConvertFromSVM1 function in vcl/source/gdi/svmconverter.cxx.

References:

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=817

Upstream patch:

https://github.com/LibreOffice/core/commit/28e61b634353110445e334ccaa415d7fb6629d62

Comment 1 Andrej Nemec 2017-04-20 09:45:08 EDT

Created libreoffice tracking bugs for this issue:

Affects: fedora-all [bug 1444065]

Comment 2 Caolan McNamara 2017-04-21 07:03:55 EDT

This particular CVE refers specifically to https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=817 which is a bug introduced on the 19 Jan 2017 and fixed on 11 March 2017, so there was never a release with this bug in it.

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