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Claws Mail: Insecure temporary file creation

Content:

1.  Gentoo Linux Security Advisory

Version Information

Advisory Reference GLSA 200801-03 / claws-mail
Release Date January 09, 2008
Latest Revision January 09, 2008: 01
Impact normal
Exploitable local
Package Vulnerable versions Unaffected versions Architecture(s)
mail-client/claws-mail < 3.0.2-r1 >= 3.0.2-r1 All supported architectures

Related bugreports: #201244

Synopsis

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

2.  Impact Information

Background

Claws Mail is a GTK based e-mail client.

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.

3.  Resolution Information

Workaround

There is no known workaround at this time.

Resolution

All Claws Mail users should upgrade to the latest version:

Code Listing 3.1: Resolution

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

4.  References



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Page updated January 09, 2008

Summary: This is a Gentoo Linux Security Advisory

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