GLSA 200801-03: Claws Mail: Insecure temporary file creation

http://security.gentoo.org/

Severity:	normal
Title:	Claws Mail: Insecure temporary file creation
Date:	01/09/2008
Bugs:	#201244
ID:	200801-03

Synopsis

Claws Mail uses temporary files in an insecure manner, allowing for a symlink attack.

Background

Claws Mail is a GTK based e-mail client.

Affected packages

Package	Vulnerable	Unaffected	Architecture(s)
mail-client/claws-mail	< 3.0.2-r1	>= 3.0.2-r1	All supported architectures

Description

Nico Golde from Debian reported that the sylprint.pl script that is part of the Claws Mail tools creates temporary files in an insecure manner.

Impact

A local attacker could exploit this vulnerability to conduct symlink attacks to overwrite files with the privileges of the user running Claws Mail.

Workaround

There is no known workaround at this time.

Resolution

All Claws Mail users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=mail-client/claws-mail-3.0.2-r1"

References

CVE-2007-6208

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-200801-03.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.