NetIQ Privileged User Manager ldapagnt_eval() Function Remote Code Execution (version check) - Nessus

Critical Plugin ID: 63185

This page contains detailed information about the NetIQ Privileged User Manager ldapagnt_eval() Function Remote Code Execution (version 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: 63185
Name: NetIQ Privileged User Manager ldapagnt_eval() Function Remote Code Execution (version check)
Filename: netiq_pum_command_exec1.nasl
Vulnerability Published: 2012-11-15
This Plugin Published: 2012-12-07
Last Modification Time: 2021-01-19
Plugin Version: 1.13
Plugin Type: remote
Plugin Family: CGI abuses
Dependencies: netiq_pum_detect.nasl
Required KB Items [?]: www/netiq_pum
Excluded KB Items: Settings/disable_cgi_scanning

Vulnerability Information

Severity: Critical
Vulnerability Published: 2012-11-15
Patch Published: 2012-11-20
CVE [?]: CVE-2012-5932
CPE [?]: cpe:/a:netiq:privileged_user_manager

Synopsis

The remote host has a web application that is affected by a remote code execution vulnerability.

Description

According to the self-reported version of the NetIQ Privileged User Manager 'ldapagnt' package installed on the remote host, the server contains a flaw that is triggered when an error occurs in the 'ldapagnt_eval()' function when parsing requests. An unauthenticated attacker could exploit this flaw to execute arbitrary code with SYSTEM privileges.

Note that Nessus did not check for the presence of a workaround.

Solution

Apply NetIQ Privileged User Manager 2.3.1 HF2 (2.3.1-2) or later.

Public Exploits

Target Network Port(s): 80, 443
Target Asset(s): Services/www
Exploit Available: True (Metasploit Framework, Exploit-DB, D2 Elliot)
Exploit Ease: Exploits are available

Here's the list of publicly known exploits and PoCs for verifying the NetIQ Privileged User Manager ldapagnt_eval() Function Remote Code Execution (version check) vulnerability:

Metasploit: exploit/windows/novell/netiq_pum_eval
[NetIQ Privileged User Manager 2.3.1 ldapagnt_eval() Remote Perl Code Execution]
Exploit-DB: exploits/windows/remote/22738.txt
[EDB-22738: Novell NetIQ Privileged User Manager 2.3.1 - 'ldapagnt.dll' ldapagnt_eval() Perl Code Evaluation Remote Code Execution]
D2 Elliot: novell_netiq_2.3.1_rce.html
[Novell NetIQ 2.3.1 RCE]

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:F/RL:U/RC:ND

CVSS Base Score:	10.0 (High)
Impact Subscore:	10.0
Exploitability Subscore:	10.0
CVSS Temporal Score:	9.5 (High)
CVSS Environmental Score:	NA (None)
Modified Impact Subscore:	NA
Overall CVSS Score:	9.5 (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(63185);
  script_version("1.13");
  script_set_attribute(attribute:"plugin_modification_date", value:"2021/01/19");

  script_cve_id("CVE-2012-5932");
  script_bugtraq_id(56539);
  script_xref(name:"EDB-ID", value:"22738");

  script_name(english:"NetIQ Privileged User Manager ldapagnt_eval() Function Remote Code Execution (version check)");
  script_summary(english:"Checks the version of the 'ldapagnt' package.");

  script_set_attribute(
    attribute:"synopsis",
    value:
"The remote host has a web application that is affected by a remote code
execution vulnerability."
  );
  script_set_attribute(
    attribute:"description",
    value:
"According to the self-reported version of the NetIQ Privileged User
Manager 'ldapagnt' package installed on the remote host, the server
contains a flaw that is triggered when an error occurs in the
'ldapagnt_eval()' function when parsing requests.  An unauthenticated
attacker could exploit this flaw to execute arbitrary code with SYSTEM
privileges. 

Note that Nessus did not check for the presence of a workaround."
  );
  script_set_attribute(attribute:"see_also", value:"https://support.microfocus.com/kb/doc.php?id=7011385");
  script_set_attribute(attribute:"solution", value:"Apply NetIQ Privileged User Manager 2.3.1 HF2 (2.3.1-2) 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:F/RL:U/RC:ND");
  script_set_attribute(attribute:"exploitability_ease", value:"Exploits are available");
  script_set_attribute(attribute:"exploit_available", value:"true");
  script_set_attribute(attribute:"d2_elliot_name", value:"Novell NetIQ 2.3.1 RCE");
  script_set_attribute(attribute:"exploit_framework_d2_elliot", value:"true");
  script_set_attribute(attribute:"metasploit_name", value:'NetIQ Privileged User Manager 2.3.1 ldapagnt_eval() Remote Perl Code Execution');
  script_set_attribute(attribute:"exploit_framework_metasploit", value:"true");

  script_set_attribute(attribute:"patch_publication_date",value:"2012/11/20");
  script_set_attribute(attribute:"vuln_publication_date", value:"2012/11/15");
  script_set_attribute(attribute:"plugin_publication_date", value:"2012/12/07");

  script_set_attribute(attribute:"plugin_type", value:"remote");
  script_set_attribute(attribute:"cpe", value:"cpe:/a:netiq:privileged_user_manager");
  script_end_attributes();

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

  script_copyright(english:"This script is Copyright (C) 2012-2021 Tenable Network Security, Inc.");

  script_dependencies("netiq_pum_detect.nasl");
  script_exclude_keys("Settings/disable_cgi_scanning");
  script_require_keys("www/netiq_pum");
  script_require_ports("Services/www", 80, 443);

  exit(0);
}

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

report = '';

# app runs on port 443 by default, but can be configured to run on port 80
port = get_http_port(default:80);

appname = "NetIQ Privileged User Manager";
kb_appname = "netiq_pum";

install = get_install_from_kb(appname:kb_appname, port:port, exit_on_fail:TRUE);
dir = install['dir'];

component = 'Admin Interface Package';

raw_version = install['ver'];
version = install['ver'];

hf_level = 0;

if ('-' >< version)
{
  item = eregmatch(pattern:"^([0-9.]+)-([0-9]+)$", string:version);
  if (isnull(item)) exit(1, 'Unable to extract hotfix information from version string.');

  hf_level = item[2];
  version = item[1];
}

if (
  ver_compare(ver:version, fix:"2.3.1", strict:FALSE) == -1 ||
  (version == "2.3.1" && hf_level < 1)
)
{
  report = '\n  URL               : ' + build_url(qs:dir, port:port) +
           '\n  Installed version : ' + version +
           '\n  Fixed version     : 2.3.1-2\n';
} 
# may have been patched, check individual package
else if (version == "2.3.1" && hf_level == 1)
{
  # check if individual packages has been updated
  pkg_version = get_kb_item_or_exit("www/" + port + "/" + kb_appname + "/packages/ldap_credential_agent");
  fix = "2.3.1.2";

  temp_arr = split(pkg_version, sep:'.' , keep:FALSE); 
  if (max_index(temp_arr) > 4 || max_index(temp_arr) < 3) exit(1, 'Version information is an unexpected length.\n');
  
  pkg_str_version = temp_arr[0] + '.' + temp_arr[1] + '.' + temp_arr[2];
  if (max_index(temp_arr) == 4) pkg_str_version += ('-' + temp_arr[3]);

  # for audit trail
  raw_version = pkg_str_version;
  component = 'LDAP Credential Agent Package';

  if (
    version =~ "^2\.3\." &&
    ver_compare(ver:pkg_version, fix:fix, strict:FALSE) == -1
  )
  {
      report = '\n  URL               : ' + build_url(qs:dir, port:port) + 
               '\n  Installed version : ' + pkg_str_version +
               '\n  Fixed version     : 2.3.1-2\n';
  }                                              
}

if (report != '')
{    
  if (report_verbosity > 0) security_hole(port:port, extra:report);
  else security_hole(port);
  exit(0);
}
else audit(AUDIT_WEB_APP_NOT_AFFECTED, appname + ' (' + component + ')', build_url(qs:dir, port:port), raw_version);

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

Linux / Unix:
/opt/nessus/lib/nessus/plugins/netiq_pum_command_exec1.nasl
Windows:
C:\ProgramData\Tenable\Nessus\nessus\plugins\netiq_pum_command_exec1.nasl
Mac OS X:
/Library/Nessus/run/lib/nessus/plugins/netiq_pum_command_exec1.nasl

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How to Run

Here is how to run the NetIQ Privileged User Manager ldapagnt_eval() Function Remote Code Execution (version 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 NetIQ Privileged User Manager ldapagnt_eval() Function Remote Code Execution (version check) plugin ID 63185.
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 netiq_pum_command_exec1.nasl -t <IP/HOST>

Run the plugin with audit trail message on the console:

/opt/nessus/bin/nasl -a netiq_pum_command_exec1.nasl -t <IP/HOST>

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

/opt/nessus/bin/nasl -T - netiq_pum_command_exec1.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 netiq_pum_command_exec1.nasl -t <IP/HOST>

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References

BID | SecurityFocus Bugtraq ID:

56539

See also:

Similar and related Nessus plugins:

62992 - NetIQ Privileged User Manager ldapagnt_eval() Function Remote Code Execution (intrusive check)
81405 - NetIQ Access Manager 4.0 < 4.0 SP1 Hotfix 3 Multiple Vulnerabilities
63186 - NetIQ Privileged User Manager Password Change Authentication Bypass (version check)
62991 - NetIQ Privileged User Manager Password Change Authentication Bypass (intrusive check)
63688 - NetIQ Privileged User Manager regclnt.dll Directory Traversal
118155 - libssh 0.6.x / 0.7.x < 0.7.6 / 0.8.x < 0.8.4 Authentication Bypass (Remote Version Check)
59209 - Symantec Web Gateway < 5.0.3 Multiple Vulnerabilities (SYM12-006) (version check)
83524 - WP Symposium Plugin for WordPress forum.php 'show' Parameter SQL Injection (Version Check)

Version

This page has been produced using Nessus Professional 10.1.2 (#68) LINUX, Plugin set 202205072148.
Plugin file netiq_pum_command_exec1.nasl version 1.13. For more plugins, visit the Nessus Plugin Library.

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NetIQ Privileged User Manager ldapagnt_eval() Function Remote Code Execution (version check) - Nessus

Plugin Overview

Vulnerability Information

Synopsis

Description

Solution

Public Exploits

Risk Information

Plugin Source

How to Run

References

Version

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