GLSA 201006-08: nano: Multiple vulnerabilities

Severity:normal
Title:nano: Multiple vulnerabilities
Date:06/01/2010
Bugs: #315355
ID:201006-08

Synopsis

Race conditions when editing files could lead to symlink attacks or changes of ownerships of important files.

Background

nano is a GNU GPL'd Pico clone with more functionality.

Affected packages

Package Vulnerable Unaffected Architecture(s)
app-editors/nano < 2.2.4 >= 2.2.4 All supported architectures

Description

Multiple race condition vulnerabilities have been discovered in nano. For further information please consult the CVE entries referenced below.

Impact

Under certain conditions, a local, user-assisted attacker could possibly overwrite arbitrary files via a symlink attack on an attacker-owned file that is being edited by the victim, or change the ownership of arbitrary files.

Workaround

There is no known workaround at this time.

Resolution

All nano users should upgrade to the latest version:

    # emerge --sync
    # emerge --ask --oneshot --verbose ">=app-editors/nano-2.2.4"

References

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-201006-08.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!