Ubuntu 6.06 LTS / 6.10 / 7.04 : krb5 vulnerabilities (USN-477-1)

High Nessus Plugin ID 28078

Synopsis

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

Description

Wei Wang discovered that the krb5 RPC library did not correctly handle certain error conditions. A remote attacker could cause kadmind to free an uninitialized pointer, leading to a denial of service or possibly execution of arbitrary code with root privileges.
(CVE-2007-2442)

Wei Wang discovered that the krb5 RPC library did not correctly check the size of certain communications. A remote attacker could send a specially crafted request to kadmind and execute arbitrary code with root privileges. (CVE-2007-2443)

It was discovered that the kadmind service could be made to overflow its stack. A remote attacker could send a specially crafted request and execute arbitrary code with root privileges. (CVE-2007-2798).

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 packages.

See Also

https://usn.ubuntu.com/477-1/

Plugin Details

Severity: High

ID: 28078

File Name: ubuntu_USN-477-1.nasl

Version: 1.17

Type: local

Agent: unix

Published: 2007/11/10

Updated: 2019/08/02

Dependencies: 12634

Risk Information

Risk Factor: High

CVSS v2.0

Base Score: 9.3

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

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:krb5-admin-server, p-cpe:/a:canonical:ubuntu_linux:krb5-clients, p-cpe:/a:canonical:ubuntu_linux:krb5-doc, p-cpe:/a:canonical:ubuntu_linux:krb5-ftpd, p-cpe:/a:canonical:ubuntu_linux:krb5-kdc, p-cpe:/a:canonical:ubuntu_linux:krb5-rsh-server, p-cpe:/a:canonical:ubuntu_linux:krb5-telnetd, p-cpe:/a:canonical:ubuntu_linux:krb5-user, p-cpe:/a:canonical:ubuntu_linux:libkadm55, p-cpe:/a:canonical:ubuntu_linux:libkrb5-dbg, p-cpe:/a:canonical:ubuntu_linux:libkrb5-dev, p-cpe:/a:canonical:ubuntu_linux:libkrb53, cpe:/o:canonical:ubuntu_linux:6.06:-:lts, cpe:/o:canonical:ubuntu_linux:6.10, cpe:/o:canonical:ubuntu_linux:7.04

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

Patch Publication Date: 2007/06/26

Reference Information

CVE: CVE-2007-2442, CVE-2007-2443, CVE-2007-2798

USN: 477-1

CWE: 119