From: Secunia Security Advisories (sec-advsecunia.com)
Date: Fri Jan 14 2005 - 05:35:05 CST

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TITLE:
Apache mod_auth_radius Module Denial of Service Vulnerability

SECUNIA ADVISORY ID:
SA13773

VERIFY ADVISORY:
http://secunia.com/advisories/13773/

CRITICAL:
Not critical

IMPACT:
DoS

WHERE:
From local network

SOFTWARE:
mod_auth_radius 1.x (module for Apache)
http://secunia.com/product/4518/

DESCRIPTION:
LSS has reported a vulnerability in the mod_auth_radius module for
Apache, which potentially can be exploited by malicious people to
cause a DoS (Denial of Service).

The vulnerability is caused due to an error in the handling of
certain "RADIUS_ACCESS_CHALLENGE" RADIUS packets. This may be
exploited via a man-in-the-middle attack to cause the mod_auth_radius
service to crash.

The vulnerability has been reported in version 1.5.7 and prior.

SOLUTION:
Only connect to trusted RADIUS servers and over trusted connections.

PROVIDED AND/OR DISCOVERED BY:
LSS

ORIGINAL ADVISORY:
http://security.lss.hr/en/index.php?page=details&ID=LSS-2005-01-02

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