Gentoo Linux Security Advisory GLSA 200909-09

                                        http://security.gentoo.org/

Severity: Normal
Title: Screenie: Insecure temporary file usage
Date: September 09, 2009
Bugs: #250476
ID: 200909-09

Synopsis

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

Background

Screenie is a small screen frontend that is designed to be a session
handler.

Affected packages

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

1 app-misc/screenie < 1.30.0-r1 >= 1.30.0-r1

Description

Dmitry E. Oboukhov reported that Screenie does not handle
"/tmp/.screenie.#####" 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 Screenie users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose =app-misc/screenie-1.30.0-r1

References

[ 1 ] CVE-2008-5371
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-5371

Availability

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

http://security.gentoo.org/glsa/glsa-200909-09.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