Ubuntu 6.06 LTS / 7.10 / 8.04 LTS / 8.10 : shadow vulnerability (USN-695-1)

Ubuntu Security Notice (C) 2008-2016 Canonical, Inc. / NASL script (C) 2009-2016 Tenable Network Security, Inc.


Synopsis :

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

Description :

Paul Szabo discovered a race condition in login. While setting up tty
permissions, login did not correctly handle symlinks. If a local
attacker were able to gain control of the system utmp file, they could
cause login to change the ownership and permissions on arbitrary
files, leading to a root privilege escalation.

Note that Tenable Network Security has extracted the preceding
description block directly from the Ubuntu security advisory. Tenable
has attempted to automatically clean and format it as much as possible
without introducing additional issues.

Solution :

Update the affected login and / or passwd packages.

Risk factor :

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

Family: Ubuntu Local Security Checks

Nessus Plugin ID: 37654 ()

Bugtraq ID:

CVE ID: CVE-2008-5394

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