ID : DOINGSOFT-2008-02-11-001 Discovered : 15/10/2007 ----------------- Corrected : 15/11/2007 ---------------- Publication :11/02/2008 ---------------- Affected Software : IPDiva VPNSSL Versions : Users who autenticate with login et passwd without OTP systems * 2.2 branch < 2.2.8.84 * 2.3 branch < 2.3.2.14 ------------------- Vulnerability : Brute force attack Description : The IPDiva Mediation server suffer of cookie exploitation vulnerability. A mecanism of limitation after a number of bad login/ passwd exist based on a cookie. When the cookie is null, the account is blocked. With the modification of the cookie to a value like 4242, we can try a unlimited number of connection if the cookie is resetted when it reached 2