Ubuntu 10.10 : linux vulnerabilities (USN-1272-1)

Ubuntu Security Notice (C) 2011-2014 Canonical, Inc. / NASL script (C) 2011-2014 Tenable Network Security, Inc.


Synopsis :

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

Description :

It was discovered that CIFS incorrectly handled authentication. When a
user had a CIFS share mounted that required authentication, a local
user could mount the same share without knowing the correct password.
(CVE-2011-1585)

Andrea Righi discovered a race condition in the KSM memory merging
support. If KSM was being used, a local attacker could exploit this to
crash the system, leading to a denial of service. (CVE-2011-2183)

Vasily Averin discovered that the NFS Lock Manager (NLM) incorrectly
handled unlock requests. A local attacker could exploit this to cause
a denial of service. (CVE-2011-2491)

Robert Swiecki discovered that mapping extensions were incorrectly
handled. A local attacker could exploit this to crash the system,
leading to a denial of service. (CVE-2011-2496)

It was discovered that the wireless stack incorrectly verified SSID
lengths. A local attacker could exploit this to cause a denial of
service or gain root privileges. (CVE-2011-2517).

Solution :

Update the affected packages.

Risk factor :

High / CVSS Base Score : 7.2
(CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C)
CVSS Temporal Score : 6.3
(CVSS2#E:ND/RL:OF/RC:C)
Public Exploit Available : false

Family: Ubuntu Local Security Checks

Nessus Plugin ID: 56914 ()

Bugtraq ID: 48101
48538

CVE ID: CVE-2011-1585
CVE-2011-2183
CVE-2011-2491
CVE-2011-2496
CVE-2011-2517