FreeBSD : freeradius -- authentication bypass vulnerability (1a216dfd-f710-11da-9156-000e0c2e438a)

This script is Copyright (C) 2006-2013 Tenable Network Security, Inc.


Synopsis :

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

Description :

The freeradius development team reports :

A validation issue exists with the EAP-MSCHAPv2 module in all versions
from 1.0.0 (where the module first appeared) to 1.1.0. 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

See also :

http://www.nessus.org/u?46731fe7

Solution :

Update the affected package.

Risk factor :

High / CVSS Base Score : 7.5
(CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P)
CVSS Temporal Score : 5.5
(CVSS2#E:U/RL:OF/RC:C)
Public Exploit Available : false

Family: FreeBSD Local Security Checks

Nessus Plugin ID: 21678 (freebsd_pkg_1a216dfdf71011da9156000e0c2e438a.nasl)

Bugtraq ID: 17171

CVE ID: CVE-2006-1354

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