From: SecuriTeam <support@securiteam.com.>
To: list@securiteam.com
Date: 2 Aug 2006 15:12:26 +0200
Subject: [NEWS] Barracuda Spam Firewall Hardcoded Password Vulnerability
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Barracuda Spam Firewall Hardcoded Password Vulnerability
------------------------------------------------------------------------
SUMMARY
<http://www.barracudanetworks.com>; Barracuda Spam Firewalls are
vulnerable to information disclosure which is made possible by a default
guest password.
DETAILS
Vulnerable Systems:
* Barracuda Spam Firewall version 3.3.01.001 to 3.3.03.053
Immune Systems:
* Barracuda Spam Firewall version 3.3.0.54
The Barracuda Spam Firewalls from version 3.3.01.001 to 3.3.02.053 have a
hardcoded password for the "guest" account in the Login.pm script. This
script is called to validate any user who attempts to login to the
barracuda's web interface (typically at http://<;deviceIP>:8080 or
https://<deviceIP>). While the guest account has limited access, the
following information can be obtained:
* System configuration including IP accesses, admin IP ACLs
* Email message logs (but not the content of the messages)
* Version information of both spam/antivirus definitions and system
firmware version
Used in conjunction with the vulnerability "Barracuda Arbitrary File
Disclosure" (NNL-20060801-02), the integrity of the system can be
compromised. An attacker can use both vulnerabilities to download both
confidential emails as well as the configuration information (including
the admin password).
Additionally, while some accounts such as "admin" are bound by user
definable IP ACLs, the guest account is not. This means that sensitive
information can be disclosed to ANY IP address regardless of the user
defined network restrictions.
Proof of Concept:
Enter the username "guest" into the login page of any open barracuda and
the password "bnadmin99"
Recommendations:
* Never allow your barracuda web interface to be accessible from untrusted
networks (especially the Internet)
* Upgrade to version 3.3.0.54 or later
Vendor Contact:
29 May 2006 - Initial Vendor Contact
24 June 2006 - Vendor replies with prospect of fix
17 July 2006 - NNL request status update, no reply
01 Aug 2006 - NNL releases vulnerability report, notifies vendor of
release
ADDITIONAL INFORMATION
The information has been provided by <mailto:gssincla@nnlsoftware.com.)>
Greg Sinclair.
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