GLSA 200712-07: Lookup: Insecure temporary file creation

Severity:normal
Title:Lookup: Insecure temporary file creation
Date:12/09/2007
Bugs: #197306
ID:200712-07

Synopsis

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

Background

Lookup is a search interface to books and dictionnaries for Emacs.

Affected packages

Package Vulnerable Unaffected Architecture(s)
app-emacs/lookup < 1.4.1 >= 1.4.1 All supported architectures

Description

Tatsuya Kinoshita reported that the ndeb-binary function does not handle temporay files correctly.

Impact

A local attacker could use a symlink attack to overwrite files with the privileges of the user running Lookup.

Workaround

There is no known workaround at this time.

Resolution

All Lookup users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=app-emacs/lookup-1.4.1"

References

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-200712-07.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 security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.

License

Copyright 2010 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.

Thank you!