Ubuntu 13.10 : linux vulnerabilities (USN-2049-1)

Ubuntu Security Notice (C) 2013 Canonical, Inc. / NASL script (C) 2013 Tenable Network Security, Inc.


Synopsis :

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

Description :

Miroslav Vadkerti discovered a flaw in how the permissions for network
sysctls are handled in the Linux kernel. An unprivileged local user
could exploit this flaw to have privileged access to files in
/proc/sys/net/. (CVE-2013-4270)

A flaw was discovered in the Linux kernel's dm snapshot facility. A
remote authenticated user could exploit this flaw to obtain sensitive
information or modify/corrupt data. (CVE-2013-4299)

Wannes Rombouts reported a vulnerability in the networking tuntap
interface of the Linux kernel. A local user with the CAP_NET_ADMIN
capability could leverage this flaw to gain full admin privileges.
(CVE-2013-4343)

Alan Chester reported a flaw in the IPv6 Stream Control Transmission
Protocol (SCTP) of the Linux kernel. A remote attacker could exploit
this flaw to obtain sensitive information by sniffing network traffic.
(CVE-2013-4350)

Dmitry Vyukov reported a flaw in the Linux kernel's handling of IPv6
UDP Fragmentation Offload (UFO) processing. A remote attacker could
leverage this flaw to cause a denial of service (system crash).
(CVE-2013-4387)

Hannes Frederic Sowa discovered a flaw in the Linux kernel's UDP
Fragmenttation Offload (UFO). An unprivileged local user could exploit
this flaw to cause a denial of service (system crash) or possibly gain
administrative privileges. (CVE-2013-4470).

Solution :

Update the affected linux-image-3.11.0-14-generic and / or
linux-image-3.11.0-14-generic-lpae packages.

Risk factor :

Medium / CVSS Base Score : 6.9
(CVSS2#AV:L/AC:M/Au:N/C:C/I:C/A:C)
CVSS Temporal Score : 6.0
(CVSS2#E:ND/RL:OF/RC:C)
Public Exploit Available : false

Family: Ubuntu Local Security Checks

Nessus Plugin ID: 71260 ()

Bugtraq ID: 62360
62405
62696
63183
63359

CVE ID: CVE-2013-4270
CVE-2013-4299
CVE-2013-4343
CVE-2013-4350
CVE-2013-4387
CVE-2013-4470