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Ubuntu Security Notice (C) 2011-2016 Canonical, Inc. / NASL script (C) 2011-2016 Tenable Network Security, Inc.
The remote Ubuntu host is missing one or more security-related
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.
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).
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.
Update the affected packages.
Risk factor :
High / CVSS Base Score : 7.2
CVSS Temporal Score : 6.3
Public Exploit Available : false
Family: Ubuntu Local Security Checks
Nessus Plugin ID: 56914 ()
Bugtraq ID: 4810148538
CVE ID: CVE-2011-1585CVE-2011-2183CVE-2011-2491CVE-2011-2496CVE-2011-2517
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