IPDiva VPN SSL Brute force attack

2008.02.24
Credit: eagle
Risk: Medium
Local: No
Remote: Yes
CWE: CWE-Other


CVSS Base Score: 6.4/10
Impact Subscore: 4.9/10
Exploitability Subscore: 10/10
Exploit range: Remote
Attack complexity: Low
Authentication: No required
Confidentiality impact: Partial
Integrity impact: Partial
Availability impact: None

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


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