FreeBSD : freeradius -- EAP-MSCHAPv2 Authentication Bypass (37a5c10f-bf56-11da-b0e9-00123ffe8333)

high Nessus Plugin ID 21412

Synopsis

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

Description

Freeradius Security Contact reports :

Insufficient input validation was being done in the EAP-MSCHAPv2 state machine. A malicious attacker could manipulate their EAP-MSCHAPv2 client state machine to potentially convince the server to bypass authentication checks. This bypassing could also result in the server crashing.

Solution

Update the affected package.

See Also

http://freeradius.org/security/#1.1.0

http://www.nessus.org/u?d9c3c65e

Plugin Details

Severity: High

ID: 21412

File Name: freebsd_pkg_37a5c10fbf5611dab0e900123ffe8333.nasl

Version: 1.13

Type: local

Published: 5/13/2006

Updated: 1/6/2021

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.3

CVSS v2

Risk Factor: High

Base Score: 7.5

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

Vulnerability Information

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

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

Patch Publication Date: 3/29/2006

Vulnerability Publication Date: 3/21/2006

Reference Information

CVE: CVE-2006-1354

Secunia: 19300