A vulnerability was found in Navarino Infinity (the affected version is unknown). It has been rated as critical. This issue affects an unknown code. The manipulation as part of a GET Parameter leads to a session fixiation vulnerability. Using CWE to declare the problem leads to CWE-384. Authenticating a user, or otherwise establishing a new user session, without invalidating any existing session identifier gives an attacker the opportunity to steal authenticated sessions. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Navarino Infinity is prone to session fixation attacks. The server accepts the session ID as a GET parameter which can lead to bypassing the two factor authentication in some installations. This could lead to phishing attacks that can bypass the two factor authentication that is present in some installations.

The bug was discovered 03/27/2018. The weakness was disclosed 07/24/2018 as confirmed advisory (CERT.org). It is possible to read the advisory at kb.cert.org. The identification of this vulnerability is CVE-2018-5385 since 01/11/2018. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 119 days. During that time the estimated underground price was around $0-$5k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 103544†).

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• Navarino

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• Infinity

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