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TITLE:
phpTrafficA "isloggedin()" Authentication Bypass Vulnerability

SECUNIA ADVISORY ID:
SA25976

VERIFY ADVISORY:
http://secunia.com/advisories/25976/

CRITICAL:
Moderately critical

IMPACT:
Security Bypass

WHERE:
>From remote

SOFTWARE:
phpTrafficA 1.x
http://secunia.com/product/13532/

DESCRIPTION:
CorryL has discovered a vulnerability in phpTrafficA, which can be
exploited by malicious people to bypass certain security
restrictions.

The vulnerability is caused due to the "isloggedin()" function in
Php/login.inc.php not correctly checking the authentication
credentials. This can be exploited to bypass the authentication by
requesting restricted pages with the "username" cookie set to
"traffic".

The vulnerability is confirmed in version 1.4.3. Other versions may
also be affected.

SOLUTION:
Edit the source code to ensure that the authentication credentials
are correctly checked.

Restrict access to the application e.g. with an .htaccess file.

PROVIDED AND/OR DISCOVERED BY:
CorryL

ORIGINAL ADVISORY:
http://corryl.altervista.org/index.php?mod=read&id=1183748959

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