GLSA 200909-11 GCC-XML: Insecure temporary file usage
Posted on: 09/09/2009 03:20 PM

A new security update has been released for Gentoo Linux - GCC-XML: Insecure temporary file usage. Here the announcement:

Gentoo Linux Security Advisory GLSA 200909-11
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
http://security.gentoo.org/
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

Severity: Normal
Title: GCC-XML: Insecure temporary file usage
Date: September 09, 2009
Bugs: #245765
ID: 200909-11

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

Synopsis
========

An insecure temporary file usage has been reported in GCC-XML allowing
for symlink attacks.

Background
==========

GCC-XML is an XML output extension to the C++ front-end of GCC.

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

-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 dev-cpp/gccxml lt; 0.9.0_pre20090516 gt;= 0.9.0_pre20090516

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

Dmitry E. Oboukhov reported that find_flags in GCC-XML does not handle
"/tmp/*.cxx" temporary files securely.

Impact
======

A local attacker could perform symlink attacks to overwrite arbitrary
files with the privileges of the user running the application.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All GCC-XML users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose =dev-cpp/gccxml-0.9.0_pre20090516

References
==========

[ 1 ] CVE-2008-4957
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-4957

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

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

http://security.gentoo.org/glsa/glsa-200909-11.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
https://bugs.gentoo.org.

License
=======

Copyright 2009 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



Printed from Linux Compatible (http://www.linuxcompatible.org/news/story/glsa_200909_11_gcc_xml_insecure_temporary_file_usage.html)