GLSA-200903-24 : Shadow: Privilege escalation

This script is Copyright (C) 2009-2014 Tenable Network Security, Inc.


Synopsis :

The remote Gentoo host is missing one or more security-related
patches.

Description :

The remote host is affected by the vulnerability described in GLSA-200903-24
(Shadow: Privilege escalation)

Paul Szabo reported a race condition in the 'login' executable when
setting up tty permissions.

Impact :

A local attacker belonging to the 'utmp' group could use symlink
attacks to overwrite arbitrary files and possibly gain root privileges.

Workaround :

There is no known workaround at this time.

See also :

http://www.gentoo.org/security/en/glsa/glsa-200903-24.xml

Solution :

All Shadow users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose '>=sys-apps/shadow-4.1.2.2'

Risk factor :

High / CVSS Base Score : 7.2
(CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C)

Family: Gentoo Local Security Checks

Nessus Plugin ID: 35905 (gentoo_GLSA-200903-24.nasl)

Bugtraq ID:

CVE ID: CVE-2008-5394