GLSA 201209-21: fastjar: Directory traversal

http://security.gentoo.org/

Severity:	normal
Title:	fastjar: Directory traversal
Date:	09/28/2012
Bugs:	#325557
ID:	201209-21

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	Architecture(s)
app-arch/fastjar	< 0.98-r1	>= 0.98-r1	All supported architectures

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

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.