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Ubuntu 6.06 LTS / 6.10 / 7.04 / 7.10 : krb5 vulnerabilities (USN-587-1)

critical Nessus Plugin ID 31625

Synopsis

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

Description

It was discovered that krb5 did not correctly handle certain krb4 requests. An unauthenticated remote attacker could exploit this flaw by sending a specially crafted traffic, which could expose sensitive information, cause a crash, or execute arbitrary code. (CVE-2008-0062, CVE-2008-0063)

A flaw was discovered in the kadmind service's handling of file descriptors. An unauthenticated remote attacker could send specially crafted requests that would cause a crash, resulting in a denial of service. Only systems with configurations allowing large numbers of open file descriptors were vulnerable. (CVE-2008-0947).

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/587-1/

Plugin Details

Severity: Critical

ID: 31625

File Name: ubuntu_USN-587-1.nasl

Version: 1.19

Type: local

Agent: unix

Published: 3/19/2008

Updated: 1/19/2021

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.4

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

Vulnerability Information

CPE: p-cpe:/a:canonical:ubuntu_linux:krb5-kdc, p-cpe:/a:canonical:ubuntu_linux:krb5-telnetd, cpe:/o:canonical:ubuntu_linux:7.04, p-cpe:/a:canonical:ubuntu_linux:libkrb53, p-cpe:/a:canonical:ubuntu_linux:krb5-clients, p-cpe:/a:canonical:ubuntu_linux:krb5-admin-server, p-cpe:/a:canonical:ubuntu_linux:libkadm55, p-cpe:/a:canonical:ubuntu_linux:krb5-ftpd, p-cpe:/a:canonical:ubuntu_linux:krb5-rsh-server, cpe:/o:canonical:ubuntu_linux:7.10, p-cpe:/a:canonical:ubuntu_linux:krb5-doc, cpe:/o:canonical:ubuntu_linux:6.06:-:lts, p-cpe:/a:canonical:ubuntu_linux:libkrb5-dev, p-cpe:/a:canonical:ubuntu_linux:krb5-user, cpe:/o:canonical:ubuntu_linux:6.10, p-cpe:/a:canonical:ubuntu_linux:libkrb5-dbg

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

Exploit Ease: No known exploits are available

Patch Publication Date: 3/18/2008

Reference Information

CVE: CVE-2008-0062, CVE-2008-0063, CVE-2008-0947

BID: 28302, 28303

CWE: 119, 189

USN: 587-1