Gentoo Linux Security Advisory GLSA 200909-07

                                        http://security.gentoo.org/

Severity: Normal
Title: TkMan: Insecure temporary file usage
Date: September 09, 2009
Bugs: #247540
ID: 200909-07

Synopsis

An insecure temporary file usage has been reported in TkMan, allowing
for symlink attacks.

Background

TkMan is a graphical, hypertext manual page and Texinfo browser for
UNIX.

Affected packages

-------------------------------------------------------------------
 Package         /  Vulnerable  /                       Unaffected
-------------------------------------------------------------------

1 app-text/tkman < 2.2-r1 >= 2.2-r1

Description

Dmitry E. Oboukhov reported that TkMan does not handle the
"/tmp/tkman#####" and "/tmp/ll" temporary files securely.

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 TkMan users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose =app-text/tkman-2.2-r1

References

[ 1 ] CVE-2008-5137
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-5137

Availability

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

http://security.gentoo.org/glsa/glsa-200909-07.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
[email protected] or alternatively, you may file a bug at
https://bugs.gentoo.org.

License

Copyright 2009 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