Check Point Gaia Operating System SSLv3 Padding Oracle On Downgraded Legacy Encryption Vulnerability (sk103683) (POODLE)

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

Synopsis :

The remote host is potentially affected by an SSL/TLS vulnerability.

Description :

The remote host is running a version of Gaia Operating System
that is potentially affected by a man-in-the-middle (MitM) information
disclosure vulnerability known as POODLE. The vulnerability is due to
the way SSL 3.0 handles padding bytes when decrypting messages
encrypted using block ciphers in cipher block chaining (CBC) mode.
MitM attackers can decrypt a selected byte of a cipher text in as few
as 256 tries if they are able to force a victim application to
repeatedly send the same data over newly created SSL 3.0 connections.

As long as a client and service both support SSLv3, a connection can
be 'rolled back' to SSLv3, even if TLSv1 or newer is supported by the
client and service.

The TLS Fallback SCSV mechanism prevents 'version rollback' attacks
without impacting legacy clients; however, it can only protect
connections when the client and service support the mechanism. Sites
that cannot disable SSLv3 immediately should enable this mechanism.

This is a vulnerability in the SSLv3 specification, not in any
particular SSL implementation. Disabling SSLv3 is the only way to
completely mitigate the vulnerability.

See also :

Solution :

Apply the vendor supplied patch, mitigations or contact the vendor
for further information.

Risk factor :

High / CVSS Base Score : 7.5
CVSS Temporal Score : 5.5
Public Exploit Available : false

Family: Firewalls

Nessus Plugin ID: 105084 ()

Bugtraq ID: 70574

CVE ID: CVE-2014-3566

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