Ubuntu 11.04 / 11.10 / 12.04 LTS : isc-dhcp vulnerabilities (USN-1519-1)

medium Nessus Plugin ID 60137

Synopsis

The remote Ubuntu host is missing a security-related patch.

Description

Markus Hietava discovered that the DHCP server incorrectly handled certain malformed client identifiers. A remote attacker could use this issue to cause DHCP to crash, resulting in a denial of service.
(CVE-2012-3571)

Glen Eustace discovered that the DHCP server incorrectly handled memory. A remote attacker could use this issue to cause DHCP to crash, resulting in a denial of service. (CVE-2012-3954).

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 isc-dhcp-server package.

See Also

https://usn.ubuntu.com/1519-1/

Plugin Details

Severity: Medium

ID: 60137

File Name: ubuntu_USN-1519-1.nasl

Version: 1.9

Type: local

Agent: unix

Published: 7/27/2012

Updated: 9/19/2019

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 6.1

Temporal Score: 4.8

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

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:isc-dhcp-server, cpe:/o:canonical:ubuntu_linux:11.04, cpe:/o:canonical:ubuntu_linux:11.10, cpe:/o:canonical:ubuntu_linux:12.04:-:lts

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 7/26/2012

Vulnerability Publication Date: 7/25/2012

Reference Information

CVE: CVE-2012-3571, CVE-2012-3954

BID: 54665

USN: 1519-1