SSL / TLS Renegotiation Handshakes MiTM Plaintext Data Injection

This script is Copyright (C) 2009-2017 Tenable Network Security, Inc.

Synopsis :

The remote service allows insecure renegotiation of TLS / SSL

Description :

The remote service encrypts traffic using TLS / SSL but allows a client
to insecurely renegotiate the connection after the initial handshake.
An unauthenticated, remote attacker may be able to leverage this issue
to inject an arbitrary amount of plaintext into the beginning of the
application protocol stream, which could facilitate man-in-the-middle
attacks if the service assumes that the sessions before and after
renegotiation are from the same 'client' and merges them at the
application layer.

See also :

Solution :

Contact the vendor for specific patch information.

Risk factor :

Medium / CVSS Base Score : 5.8
CVSS Temporal Score : 5.0
Public Exploit Available : true

Family: General

Nessus Plugin ID: 42880 ()

Bugtraq ID: 36935

CVE ID: CVE-2009-3555

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