stunnel 4.21 - 4.54 Multiple Vulnerabilities

This script is Copyright (C) 2013-2016 Tenable Network Security, Inc.


Synopsis :

The remote Windows host contains a program that is affected by
multiple vulnerabilities.

Description :

The version of stunnel installed on the remote host is a version
after 4.21 and prior to 4.55. It is, therefore, affected by the
following vulnerabilities :

- The bundled version of OpenSSL contains an error related
to CBC-mode and timing that allows an attacker to
recover plaintext from encrypted communications.
(CVE-2013-0169)

- A buffer overflow condition exists related to NTLM
authentication. Note this issue does not affect 32-bit
builds.(CVE-2013-1762)

See also :

http://stunnel.org/?page=sdf_ChangeLog
http://www.nessus.org/u?0bf4f9d5
https://www.stunnel.org/CVE-2013-1762.html

Solution :

Upgrade to stunnel version 4.55 or later.

Risk factor :

High / CVSS Base Score : 9.3
(CVSS2#AV:N/AC:M/Au:N/C:C/I:C/A:C)
CVSS Temporal Score : 8.8
(CVSS2#E:F/RL:ND/RC:ND)
Public Exploit Available : true

Family: Windows

Nessus Plugin ID: 65690 ()

Bugtraq ID: 57778
58277

CVE ID: CVE-2013-0169
CVE-2013-1762

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