Google Search Appliance proxystylesheet Parameter Multiple Remote Vulnerabilities (XSS, Code Exec, ID) - Nessus

High Plugin ID: 20241

This page contains detailed information about the Google Search Appliance proxystylesheet Parameter Multiple Remote Vulnerabilities (XSS, Code Exec, ID) Nessus plugin including available exploits and PoCs found on GitHub, in Metasploit or Exploit-DB for verifying of this vulnerability.

Table Of Contents

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Plugin Overview
Vulnerability Information

Synopsis
Description
Solution

Public Exploits
Risk Information
Plugin Source
How to Run
References
Version

Plugin Overview

ID: 20241
Name: Google Search Appliance proxystylesheet Parameter Multiple Remote Vulnerabilities (XSS, Code Exec, ID)
Filename: google_search_appliance_proxystylesheet.nasl
Vulnerability Published: 2005-11-21
This Plugin Published: 2005-11-22
Last Modification Time: 2021-01-19
Plugin Version: 1.28
Plugin Type: remote
Plugin Family: CGI abuses
Dependencies: google_search_appliance_detect.nasl
Excluded KB Items [?]: Settings/disable_cgi_scanning

Vulnerability Information

Severity: High
Vulnerability Published: 2005-11-21
Patch Published: 2005-11-21
CVE [?]: CVE-2005-3754, CVE-2005-3755, CVE-2005-3756, CVE-2005-3757, CVE-2005-3758
CPE [?]: cpe:/h:google:mini_search_appliance, cpe:/h:google:search_appliance

Synopsis

The remote web server is affected by multiple flaws.

Description

The remote Google Search Appliance / Mini Search Appliance fails to sanitize user-supplied input to the 'proxystylesheet' parameter, which is used for customization of the search interface. Exploitation of this issue may lead to arbitrary code execution (as an unprivileged user), port scanning, file discovery, and cross-site scripting.

Solution

Contact Google for a fix.

Public Exploits

Target Network Port(s): 80
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 Google Search Appliance proxystylesheet Parameter Multiple Remote Vulnerabilities (XSS, Code Exec, ID) vulnerability:

Metasploit: exploit/unix/webapp/google_proxystylesheet_exec
[Google Appliance ProxyStyleSheet Command Execution]
Exploit-DB: exploits/hardware/webapps/16907.rb
[EDB-16907: Google Appliance ProxyStyleSheet - 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:H/RL:OF/RC:C

CVSS Base Score:	7.5 (High)
Impact Subscore:	6.4
Exploitability Subscore:	10.0
CVSS Temporal Score:	6.5 (Medium)
CVSS Environmental Score:	NA (None)
Modified Impact Subscore:	NA
Overall CVSS Score:	6.5 (Medium)

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Plugin Source

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

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

if (description)
{
  script_id(20241);
  script_version("1.28");
  script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/19");

  script_cve_id(
    "CVE-2005-3754", 
    "CVE-2005-3755", 
    "CVE-2005-3756", 
    "CVE-2005-3757", 
    "CVE-2005-3758"
  );
  script_bugtraq_id(15509);

  script_name(english:"Google Search Appliance proxystylesheet Parameter Multiple Remote Vulnerabilities (XSS, Code Exec, ID)");
  script_summary(english:"Checks for proxystylesheet parameter multiple vulnerabilities in Google Search Appliance");
 
  script_set_attribute(attribute:"synopsis", value:
"The remote web server is affected by multiple flaws.");
  script_set_attribute(attribute:"description", value:
"The remote Google Search Appliance / Mini Search Appliance fails to
sanitize user-supplied input to the 'proxystylesheet' parameter, which
is used for customization of the search interface.  Exploitation of this
issue may lead to arbitrary code execution (as an unprivileged user),
port scanning, file discovery, and cross-site scripting.");
  # http://web.archive.org/web/20051213084327/http://metasploit.com/research/vulns/google_proxystylesheet/
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?516540e6");
  script_set_attribute(attribute:"see_also", value:"https://seclists.org/fulldisclosure/2005/Nov/652");
  script_set_attribute(attribute:"solution", value:"Contact Google for a fix.");
  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:H/RL:OF/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:'Google Appliance ProxyStyleSheet Command Execution');
  script_set_attribute(attribute:"exploit_framework_metasploit", value:"true");
  script_cwe_id(20, 74, 79, 442, 629, 711, 712, 722, 725, 750, 751, 800, 801, 809, 811, 864, 900, 928, 931, 990);

  script_set_attribute(attribute:"vuln_publication_date", value:"2005/11/21");
  script_set_attribute(attribute:"plugin_publication_date", value:"2005/11/22");
  script_set_attribute(attribute:"patch_publication_date", value:"2005/11/21");

  script_set_attribute(attribute:"plugin_type", value:"remote");
  script_set_attribute(attribute:"cpe",value:"cpe:/h:google:search_appliance");
  script_set_attribute(attribute:"cpe",value:"cpe:/h:google:mini_search_appliance");
  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("google_search_appliance_detect.nasl");
  script_exclude_keys("Settings/disable_cgi_scanning");
  script_require_ports("Services/www", 80);

  exit(0);
}


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


port = get_http_port(default:80);
if (!get_kb_item(string("www/", port, "/google_search_appliance"))) exit(0);


file = "../../../../../../../../../../etc/passwd";
w = http_send_recv3(method:"GET",
  item:string(
    "/search?",
    "site=nessus&",
    "output=xml_no_dtd&",
    "q=", SCRIPT_NAME, "&",
    "proxystylesheet=", file
  ), 
  port:port
);
if (isnull(w)) exit(1, "the web server did not answer");
res = w[2];

# There's a problem if the error message indicates...
if (
  # the file doesn't exist or...
  string("ERROR: Unable to fetch the stylesheet from source: ", file) >< res ||
  # the file does exist but isn't a valid stylesheet.
  "The following required pattern was not found:" >< res
) {
  security_hole(port);
  set_kb_item(name: 'www/'+port+'/XSS', value: TRUE);
  exit(0);
}

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

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

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How to Run

Here is how to run the Google Search Appliance proxystylesheet Parameter Multiple Remote Vulnerabilities (XSS, Code Exec, ID) as a standalone plugin via the Nessus web user interface (https://localhost:8834/):

Click to start a New Scan.
Select Advanced Scan.
Navigate to the Plugins tab.
On the top right corner click to Disable All plugins.
On the left side table select CGI abuses plugin family.
On the right side table select Google Search Appliance proxystylesheet Parameter Multiple Remote Vulnerabilities (XSS, Code Exec, ID) plugin ID 20241.
Specify the target on the Settings tab and click to Save the scan.
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 google_search_appliance_proxystylesheet.nasl -t <IP/HOST>

Run the plugin with audit trail message on the console:

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

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

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

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References

BID | SecurityFocus Bugtraq ID:

15509

CWE | Common Weakness Enumeration:

CWE-20 (Weakness) Improper Input Validation
CWE-74 (Weakness) Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
CWE-79 (Weakness) Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CWE-442 (Category) DEPRECATED: Web Problems
CWE-629 (View) Weaknesses in OWASP Top Ten (2007)
CWE-711 (View) Weaknesses in OWASP Top Ten (2004)
CWE-712 (Category) OWASP Top Ten 2007 Category A1 - Cross Site Scripting (XSS)
CWE-722 (Category) OWASP Top Ten 2004 Category A1 - Unvalidated Input
CWE-725 (Category) OWASP Top Ten 2004 Category A4 - Cross-Site Scripting (XSS) Flaws
CWE-750 (View) Weaknesses in the 2009 CWE/SANS Top 25 Most Dangerous Programming Errors
CWE-751 (Category) 2009 Top 25 - Insecure Interaction Between Components
CWE-800 (View) Weaknesses in the 2010 CWE/SANS Top 25 Most Dangerous Programming Errors
CWE-801 (Category) 2010 Top 25 - Insecure Interaction Between Components
CWE-809 (View) Weaknesses in OWASP Top Ten (2010)
CWE-811 (Category) OWASP Top Ten 2010 Category A2 - Cross-Site Scripting (XSS)
CWE-864 (Category) 2011 Top 25 - Insecure Interaction Between Components
CWE-900 (View) Weaknesses in the 2011 CWE/SANS Top 25 Most Dangerous Software Errors
CWE-928 (View) Weaknesses in OWASP Top Ten (2013)
CWE-931 (Category) OWASP Top Ten 2013 Category A3 - Cross-Site Scripting (XSS)
CWE-990 (Category) SFP Secondary Cluster: Tainted Input to Command

See also:

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Version

This page has been produced using Nessus Professional 10.1.2 (#68) LINUX, Plugin set 202205072148.
Plugin file google_search_appliance_proxystylesheet.nasl version 1.28. For more plugins, visit the Nessus Plugin Library.

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Google Search Appliance proxystylesheet Parameter Multiple Remote Vulnerabilities (XSS, Code Exec, ID) - Nessus

Plugin Overview

Vulnerability Information

Synopsis

Description

Solution

Public Exploits

Risk Information

Plugin Source

How to Run

References

Version

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