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If through a vulnerability assessment, a network security issue is detected for the vulnerability below, applying the appropriate security patches in a timely matter is very important. If you have detected that your system has already been compromised, following CERT's Network Security recovery document will assist with recommended steps for system recovery.
Vulnerability Assessment Details
Tries to authenticate to Barracuda Networks Spam Firewall
Detailed Explanation for this Vulnerability Assessment
The remote web server is affected by multiple vulnerabilities.
The remote host appears to be a Barracuda Spam Firewall network
appliance, which protects mail servers from spam, viruses, and the
The firmware version of the Barracuda Spam Firewall on the remote
device fails to filter input to the 'file' parameter of the
'/cgi-bin/preview_email.cgi' script before using it to read files.
Using specially crafted strings, an unauthenticated attacker can
leverage this flaw to read arbitrary files and even execute arbitrary
commands on the remote host. While the web server executes as the
user 'nobody', it is possible to access several system commands
through the use of 'sudo' and thereby gain root rights.
In addition, the application contains hardcoded passwords for the
'admin' and 'guest' users.
See also :
We are unaware of a public statement from the vendor regarding a fix,
but upgrading to firmware version 18.104.22.168 or later reportedly
addresses the issues.
Network Security Threat Level:
High / CVSS Base Score : 7.0
Networks Security ID: 19276
Vulnerability Assessment Copyright: This script is Copyright (C) 2006-2007 Tenable Network Security
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