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FreeBSD : freeradius -- EAP-TTLS Tunnel Memory Leak Remote DOS Vulnerability (c110eda2-e995-11db-a944-0012f06707f0)

high Nessus Plugin ID 25051

Synopsis

The remote FreeBSD host is missing one or more security-related updates.

Description

The freeradius development team reports :

A malicious 802.1x supplicant could send malformed Diameter format attributes inside of an EAP-TTLS tunnel. The server would reject the authentication request, but would leak one VALUE_PAIR data structure, of approximately 300 bytes. If an attacker performed the attack many times (e.g. thousands or more over a period of minutes to hours), the server could leak megabytes of memory, potentially leading to an 'out of memory' condition, and early process exit.

Solution

Update the affected packages.

See Also

http://freeradius.org/security/

http://www.nessus.org/u?7dacd63d

Plugin Details

Severity: High

ID: 25051

File Name: freebsd_pkg_c110eda2e99511dba9440012f06707f0.nasl

Version: 1.25

Type: local

Published: 4/19/2007

Updated: 1/6/2021

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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

Vulnerability Information

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

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

Exploit Ease: No known exploits are available

Patch Publication Date: 4/13/2007

Vulnerability Publication Date: 4/10/2007

Reference Information

CVE: CVE-2005-1454, CVE-2005-1455, CVE-2005-4745, CVE-2007-2028

BID: 23466