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TUCoPS :: Linux :: Apps A-M :: c07-1302.htm

libgsf: Buffer overflow



libgsf: Buffer overflow
libgsf: Buffer overflow



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Gentoo Linux Security Advisory                           GLSA 200612-13
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http://security.gentoo.org/ 
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  Severity: Normal
     Title: libgsf: Buffer overflow
      Date: December 12, 2006
      Bugs: #156693
        ID: 200612-13

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Synopsis
=======
libgsf improperly allocates memory allowing for a heap overflow and
possibly the execution of arbitrary code.

Background
=========
The GNOME Structured File Library is an I/O library that can read and
write common file types and handle structured formats that provide
file-system-in-a-file semantics.

Affected packages
================
    -------------------------------------------------------------------
     Package             /  Vulnerable  /                   Unaffected
    -------------------------------------------------------------------
  1  gnome-extra/libgsf      < 1.14.2                        >= 1.14.2

Description
==========
"infamous41md" has discovered that the "ole_init_info" function may
allocate too little memory for storing the contents of an OLE document,
resulting in a heap buffer overflow.

Impact
=====
An attacker could entice a user to open a specially crafted OLE
document, and possibly execute arbitrary code with the rights of the
user opening the document.

Workaround
=========
There is no known workaround at this time.

Resolution
=========
All libgsf users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=gnome-extra/libgsf-1.14.2"

References
=========
  [ 1 ] CVE-2006-4514
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-4514 

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

http://security.gentoo.org/glsa/glsa-200612-13.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 2006 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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