Ubuntu 6.06 LTS / 6.10 / 7.04 / 7.10 : dhcp vulnerability (USN-531-2)

critical Nessus Plugin ID 28137
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Synopsis

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

Description

USN-531-1 fixed vulnerabilities in dhcp. The fixes were incomplete, and only reduced the scope of the vulnerability, without fully solving it. This update fixes the problem.

Nahuel Riva and Gerardo Richarte discovered that the DHCP server did not correctly handle certain client options. A remote attacker could send malicious DHCP replies to the server and execute arbitrary code.

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 dhcp, dhcp-client and / or dhcp-relay packages.

See Also

https://usn.ubuntu.com/531-2/

Plugin Details

Severity: Critical

ID: 28137

File Name: ubuntu_USN-531-2.nasl

Version: 1.19

Type: local

Agent: unix

Published: 11/10/2007

Updated: 1/19/2021

Dependencies: ssh_get_info.nasl

Risk Information

VPR

Risk Factor: High

Score: 7.4

CVSS v2

Risk Factor: Critical

Base Score: 10

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

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:dhcp, p-cpe:/a:canonical:ubuntu_linux:dhcp-client, p-cpe:/a:canonical:ubuntu_linux:dhcp-relay, cpe:/o:canonical:ubuntu_linux:6.06:-:lts, cpe:/o:canonical:ubuntu_linux:6.10, cpe:/o:canonical:ubuntu_linux:7.04, cpe:/o:canonical:ubuntu_linux:7.10

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: 10/23/2007

Exploitable With

Core Impact

Reference Information

CVE: CVE-2007-5365, CVE-2008-5010

USN: 531-2

CWE: 119