Gentoo Linux Security Advisory GLSA 200812-14

                                        http://security.gentoo.org/

Severity: Normal
Title: aview: Insecure temporary file usage
Date: December 14, 2008
Bugs: #235808
ID: 200812-14

Synopsis

An insecure temporary file usage has been reported in aview, leading to
symlink attacks.

Background

aview is an ASCII image viewer and animation player.

Affected packages

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

1 media-gfx/aview < 1.3.0_rc1-r1 >= 1.3.0_rc1-r1

Description

Dmitry E. Oboukhov reported that aview uses the "/tmp/aview$$.pgm" file
in an insecure manner when processing files.

Impact

A local attacker could perform symlink attacks to overwrite arbitrary
files on the system with the privileges of the user running the
application.

Workaround

There is no known workaround at this time.

Resolution

All aview users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose ">=media-gfx/aview-1.3.0_rc1-r1"

References

[ 1 ] CVE-2008-4935
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-4935

Availability

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

http://security.gentoo.org/glsa/glsa-200812-14.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
http://bugs.gentoo.org.

License

Copyright 2008 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