FreeBSD : krb5 -- ASN.1 decoder denial-of-service vulnerability (bd60922b-fb8d-11d8-a13e-000a95bc6fae)

medium Nessus Plugin ID 36731

Synopsis

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

Description

An advisory published by the MIT Kerberos team says :

The ASN.1 decoder library in the MIT Kerberos 5 distribution is vulnerable to a denial-of-service attack causing an infinite loop in the decoder. The KDC is vulnerable to this attack.

An unauthenticated remote attacker can cause a KDC or application server to hang inside an infinite loop.

An attacker impersonating a legitimate KDC or application server may cause a client program to hang inside an infinite loop.

Solution

Update the affected package.

Plugin Details

Severity: Medium

ID: 36731

File Name: freebsd_pkg_bd60922bfb8d11d8a13e000a95bc6fae.nasl

Version: 1.12

Type: local

Family: FreeBSD Local Security Checks

Published: 4/23/2009

Updated: 1/6/2021

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 5

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

Vulnerability Information

CPE: p-cpe:/a:freebsd:freebsd:krb5, cpe:/o:freebsd:freebsd

Required KB Items: Host/local_checks_enabled, Host/FreeBSD/release, Host/FreeBSD/pkg_info

Patch Publication Date: 8/31/2004

Vulnerability Publication Date: 8/31/2004

Reference Information

CVE: CVE-2004-0644

CERT: 550464

Detections

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