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Gentoo Linux Security Advisory 201208-05

Gentoo Linux Security Advisory 201208-05
Posted Aug 15, 2012
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 201208-5 - An insecure temporary file usage has been reported in the Perl Config-IniFiles module, possibly allowing symlink attacks. Versions below 2.710.0 are affected.

tags | advisory, perl
systems | linux, gentoo
advisories | CVE-2012-2451
MD5 | 839c4b0674c414683b044d56b5f91739

Gentoo Linux Security Advisory 201208-05

Change Mirror Download
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Gentoo Linux Security Advisory GLSA 201208-05
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http://security.gentoo.org/
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Severity: Normal
Title: Perl Config-IniFiles Module: Insecure temporary file usage
Date: August 14, 2012
Bugs: #414485
ID: 201208-05

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Synopsis
========

An insecure temporary file usage has been reported in the Perl
Config-IniFiles module, possibly allowing symlink attacks.

Background
==========

Config-IniFiles is a Perl module for reading .ini-style configuration
files.

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

-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 dev-perl/Config-IniFiles
< 2.710.0 >= 2.710.0

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

The Perl Config-IniFiles module uses predicatable temporary file names.

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 users of the Perl Config-IniFiles module should upgrade to the
latest version:

# emerge --sync
# emerge --ask --oneshot -v ">=dev-perl/Config-IniFiles-2.710.0"

References
==========

[ 1 ] CVE-2012-2451
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2012-2451

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

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

http://security.gentoo.org/glsa/glsa-201208-05.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
https://bugs.gentoo.org.

License
=======

Copyright 2012 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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