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Debian DSA-183-1 : krb5 - buffer overflow

critical Nessus Plugin ID 15020

Synopsis

The remote Debian host is missing a security-related update.

Description

Tom Yu and Sam Hartman of MIT discovered another stack-based buffer overflow in the kadm_ser_wrap_in function in the Kerberos v4 administration server. This kadmind bug has a working exploit code circulating, hence it is considered serious. The MIT krb5 implementation includes support for version 4, including a complete v4 library, server side support for krb4, and limited client support for v4.

Solution

Upgrade the krb5 packages immediately.

This problem has been fixed in version 1.2.4-5woody3 for the current stable distribution (woody) and in version 1.2.6-2 for the unstable distribution (sid). The old stable distribution (potato) is not affected since no krb5 packages are included.

See Also

http://www.debian.org/security/2002/dsa-183

Plugin Details

Severity: Critical

ID: 15020

File Name: debian_DSA-183.nasl

Version: 1.24

Type: local

Agent: unix

Published: 9/29/2004

Updated: 1/4/2021

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

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Critical

Base Score: 10

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

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:krb5, cpe:/o:debian:debian_linux:3.0

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

Patch Publication Date: 10/29/2002

Vulnerability Publication Date: 10/21/2002

Reference Information

CVE: CVE-2002-1235

CERT: 875073

DSA: 183