DOINGSOFT-2008-02-11 - IPDiva VPN SSL Brute force attack Feb 14 2008 07:32PM
eagle (eagle ha ckers fr)
ID : DOINGSOFT-2008-02-11-001

Discovered : 15/10/2007
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Corrected : 15/11/2007
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Publication :11/02/2008
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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
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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

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