SSL/TLS EXPORT_RSA <= 512-bit Cipher Suites Supported (FREAK)

This script is Copyright (C) 2015-2016 Tenable Network Security, Inc.


Synopsis :

The remote host supports a set of weak ciphers.

Description :

The remote host supports EXPORT_RSA cipher suites with keys less than
or equal to 512 bits. An attacker can factor a 512-bit RSA modulus in
a short amount of time.

A man-in-the middle attacker may be able to downgrade the session to
use EXPORT_RSA cipher suites (e.g. CVE-2015-0204). Thus, it is
recommended to remove support for weak cipher suites.

See also :

https://www.smacktls.com/#freak
https://www.openssl.org/news/secadv/20150108.txt
http://www.nessus.org/u?b78da2c4

Solution :

Reconfigure the service to remove support for EXPORT_RSA cipher
suites.

Risk factor :

Medium / CVSS Base Score : 5.0
(CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:N)
CVSS Temporal Score : 4.1
(CVSS2#E:F/RL:OF/RC:ND)
Public Exploit Available : true

Family: Misc.

Nessus Plugin ID: 81606 ()

Bugtraq ID: 71936

CVE ID: CVE-2015-0204

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