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Gentoo Linux Security Advisory 200509-2

Gentoo Linux Security Advisory 200509-2
Posted Sep 5, 2005
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory GLSA 200509-02 - Gnumeric contains a private copy of libpcre which is subject to an integer overflow leading to a heap overflow (see GLSA 200508-17). Versions less than 1.4.3-r2 are affected.

tags | advisory, overflow
systems | linux, gentoo
advisories | CVE-2005-2491
SHA-256 | ea17c8c40a1112f64f55357546bf7e2518d8f26b0693e5f5ea412f72662287d7

Gentoo Linux Security Advisory 200509-2

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Gentoo Linux Security Advisory GLSA 200509-02
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http://security.gentoo.org/
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Severity: Normal
Title: Gnumeric: Heap overflow in the included PCRE library
Date: September 03, 2005
Bugs: #104010
ID: 200509-02

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Synopsis
========

Gnumeric is vulnerable to a heap overflow, possibly leading to the
execution of arbitrary code.

Background
==========

The Gnumeric spreadsheet is a versatile application developed as part
of the GNOME Office project. libpcre is a library providing functions
for Perl-compatible regular expressions.

Affected packages
=================

-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 app-office/gnumeric < 1.4.3-r2 >= 1.4.3-r2

Description
===========

Gnumeric contains a private copy of libpcre which is subject to an
integer overflow leading to a heap overflow (see GLSA 200508-17).

Impact
======

An attacker could potentially exploit this vulnerability by tricking a
user into opening a specially crafted spreadsheet, which could lead to
the execution of arbitrary code with the privileges of the user running
Gnumeric.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All Gnumeric users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose ">=app-office/gnumeric-1.4.3-r2"

References
==========

[ 1 ] CAN-2005-2491
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-2491
[ 2 ] GLSA 200508-17
http://www.gentoo.org/security/en/glsa/glsa-200508-17.xml

Availability
============

This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

http://security.gentoo.org/glsa/glsa-200509-02.xml

Concerns?
=========

Security is a primary focus of Gentoo Linux and ensuring the
confidentiality and security of our users machines is of utmost
importance to us. Any security concerns should be addressed to
security@gentoo.org or alternatively, you may file a bug at
http://bugs.gentoo.org.

License
=======

Copyright 2005 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).

The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.

http://creativecommons.org/licenses/by-sa/2.0


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