Bug 1444061 – CVE-2017-7870 libreoffice: Heap-buffer-overflow in tools::Polygon::Insert

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Bug 1444061 - (CVE-2017-7870) CVE-2017-7870 libreoffice: Heap-buffer-overflow in tools::Polygon::Insert

Summary:	CVE-2017-7870 libreoffice: Heap-buffer-overflow in tools::Polygon::Insert

Status:	NEW

Aliases:	CVE-2017-7870

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
QA Contact:
Docs Contact:

URL:
Whiteboard:	impact=moderate,public=20170110,repor...
Keywords:	Security

Depends On:	1444065 1445635
Blocks:	1415638 1444063
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Reported:	2017-04-20 09:39 EDT by Andrej Nemec
Modified:	2018-03-31 17:29 EDT (History)
CC List:	4 users (show)

See Also:
Fixed In Version:	libreoffice 5.2.5, libreoffice 5.3.0
Doc Type:	If docs needed, set a value
Doc Text:	An out-of-bounds write flaw was found in the way Libreoffice rendered certain documents containing Polygon images. By tricking a user into opening a specially crafted LibreOffice file, an attacker could possibly use this flaw to execute arbitrary code with the privileges of the user opening the file.
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oVirt Team:	---
RHEL 7.3 requirements from Atomic Host:
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External Trackers
Tracker	ID	Priority	Status	Summary	Last Updated
Red Hat Product Errata	RHSA-2017:1975	normal	SHIPPED_LIVE	Moderate: libreoffice security and bug fix update	2017-08-01 12:04:51 EDT

Groups: None (edit)

Description Andrej Nemec 2017-04-20 09:39:35 EDT

LibreOffice has an out-of-bounds write caused by a heap-based buffer overflow related to the tools::Polygon::Insert function in tools/source/generic/poly.cxx.

References:

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=372

Upstream patch:

https://github.com/LibreOffice/core/commit/62a97e6a561ce65e88d4c537a1b82c336f012722

Comment 1 Andrej Nemec 2017-04-20 09:45:29 EDT

Created libreoffice tracking bugs for this issue:

Affects: fedora-all [bug 1444065]

Comment 3 errata-xmlrpc 2017-08-01 08:22:23 EDT

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2017:1975 https://access.redhat.com/errata/RHSA-2017:1975

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