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

medium Nessus Plugin ID 71260

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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).

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 linux-image-3.11-generic and / or linux-image-3.11-generic-lpae packages.

See Also

https://usn.ubuntu.com/2049-1/

Plugin Details

Severity: Medium

ID: 71260

File Name: ubuntu_USN-2049-1.nasl

Version: 1.10

Type: local

Agent: unix

Published: 12/9/2013

Updated: 9/19/2019

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Medium

Base Score: 6.9

Temporal Score: 5.1

Vector: CVSS2#AV:L/AC:M/Au:N/C:C/I:C/A:C

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:linux-image-3.11-generic-lpae, cpe:/o:canonical:ubuntu_linux:13.10, p-cpe:/a:canonical:ubuntu_linux:linux-image-3.11-generic

Required KB Items: Host/cpu, Host/Debian/dpkg-l, Host/Ubuntu, Host/Ubuntu/release

Exploit Ease: No known exploits are available

Patch Publication Date: 12/7/2013

Vulnerability Publication Date: 9/25/2013

Reference Information

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

BID: 62360, 62405, 62696, 63183, 63359

USN: 2049-1