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
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http://security.gentoo.org/
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Severity: Normal
Title: GCC-XML: Insecure temporary file usage
Date: September 09, 2009
Bugs: #245765
ID: 200909-11
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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
=================
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Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 dev-cpp/gccxml < 0.9.0_pre20090516 >= 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
