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Home >> Browse Vulnerability Assessment Database >> Gentoo Local Security Checks >> [GLSA-200604-03] FreeRADIUS: Authentication bypass in EAP-MSCHAPv2 module


Vulnerability Assessment Details

[GLSA-200604-03] FreeRADIUS: Authentication bypass in EAP-MSCHAPv2 module

Vulnerability Assessment Summary
FreeRADIUS: Authentication bypass in EAP-MSCHAPv2 module

Detailed Explanation for this Vulnerability Assessment
The remote host is affected by the vulnerability described in GLSA-200604-03
(FreeRADIUS: Authentication bypass in EAP-MSCHAPv2 module)


FreeRADIUS suffers from insufficient input validation in the
EAP-MSCHAPv2 state machine.

Impact

A possible hacker could cause the server to bypass authentication checks
by manipulating the EAP-MSCHAPv2 client state machine.

Workaround

There is no known workaround at this time.

References:
http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-1354
http://www.freeradius.org/security.html


Solution:
All FreeRADIUS users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=net-dialup/freeradius-1.1.1"


Network Security Threat Level: Medium


Networks Security ID:

Vulnerability Assessment Copyright: (C) 2006 Michel Arboi

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