GLSA-200804-09 : am-utils: Insecure temporary file creation

This script is Copyright (C) 2008-2014 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-200804-09
(am-utils: Insecure temporary file creation)

Tavis Ormandy discovered that, when creating temporary files, the
'expn' utility does not check whether the file already exists.

Impact :

A local attacker could exploit the vulnerability via a symlink attack
to overwrite arbitrary files.

Workaround :

There is no known workaround at this time.

See also :

http://www.gentoo.org/security/en/glsa/glsa-200804-09.xml

Solution :

All am-utils users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose '>=net-fs/am-utils-6.1.5'

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: 31956 (gentoo_GLSA-200804-09.nasl)

Bugtraq ID:

CVE ID: CVE-2008-1078