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[gentoo-announce] [ GLSA 201209-21 ] fastjar: Directory traversal

Posted on 28 September 2012
Gentoo-announce

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Gentoo Linux Security Advisory GLSA 201209-21
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http://security.gentoo.org/
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Severity: Normal
Title: fastjar: Directory traversal
Date: September 28, 2012
Bugs: #325557
ID: 201209-21

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Synopsis
========
Two directory traversal vulnerabilities have been found in fastjar,
allowing remote attackers to create or overwrite arbitrary files.

Background
==========
fastjar is a Java archiver written in C.

Affected packages
=================
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 app-arch/fastjar < 0.98-r1 >= 0.98-r1

Description
===========
Two directory traversal vulnerabilities have been discovered in
fastjar. Please review the CVE identifiers referenced below for
details.

Impact
======
A remote attacker could entice a user to open a specially crafted JAR
file, possibly resulting in the creation or truncation of arbitrary
files.

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

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

# emerge --sync
# emerge --ask --oneshot --verbose ">=app-arch/fastjar-0.98-r1"

References
==========
[ 1 ] CVE-2010-0831
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2010-0831
[ 2 ] CVE-2010-2322
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2010-2322

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

http://security.gentoo.org/glsa/glsa-201209-21.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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