OpenSSL SSL_OP_NETSCAPE_REUSE_CIPHER_CHANGE_BUG Session Resume Ciphersuite Downgrade Issue

This script is Copyright (C) 2011-2017 Tenable Network Security, Inc.

Synopsis :

The remote host allows resuming SSL sessions with a weaker cipher
than the one originally negotiated.

Description :

The version of OpenSSL on the remote host has been shown to allow
resuming session with a weaker cipher than was used when the session
was initiated. This means that an attacker that sees (i.e., by
sniffing) the start of an SSL connection can manipulate the OpenSSL
session cache to cause subsequent resumptions of that session to use a
weaker cipher chosen by the attacker.

Note that other SSL implementations may also be affected by this

See also :

Solution :

Upgrade to OpenSSL 0.9.8q / 1.0.0.c or later, or contact your vendor for a patch.

Risk factor :

Medium / CVSS Base Score : 4.3
CVSS Temporal Score : 3.2
Public Exploit Available : false

Family: General

Nessus Plugin ID: 51892 ()

Bugtraq ID: 45164

CVE ID: CVE-2010-4180

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