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TUCoPS :: Linux :: Gentoo :: bx1869.htm

Gnumeric: User-assisted execution of arbitrary code



Gnumeric: User-assisted execution of arbitrary code
Gnumeric: User-assisted execution of arbitrary code



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Gentoo Linux Security Advisory                           GLSA 200802-05
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http://security.gentoo.org/ 
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  Severity: Normal
     Title: Gnumeric: User-assisted execution of arbitrary code
      Date: February 12, 2008
      Bugs: #208356
        ID: 200802-05

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Synopsis
=======
Several integer overflow vulnerabilities have been reported in
Gnumeric, possibly resulting in user-assisted execution of arbitrary
code.

Background
=========
The Gnumeric spreadsheet is a versatile application developed as part
of the GNOME Office project.

Affected packages
================
    -------------------------------------------------------------------
     Package              /  Vulnerable  /                  Unaffected
    -------------------------------------------------------------------
  1  app-office/gnumeric       < 1.8.1                        >= 1.8.1

Description
==========
Multiple integer overflow and signedness errors have been reported in
the excel_read_HLINK() function in file plugins/excel/ms-excel-read.c
when processing XLS HLINK opcodes.

Impact
=====
A remote attacker could entice a user to open a specially crafted XLS
file, possibly resulting in the remote execution of arbitrary code with
the privileges of the user running the application.

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-1.8.1"

References
=========
  [ 1 ] CVE-2008-0668
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-0668 

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

http://security.gentoo.org/glsa/glsa-200802-05.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 2008 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/2.5 
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