Novell NetIdentity Agent < 1.2.4 Arbitrary Pointer De-reference Code Execution - Nessus

High Plugin ID: 36103

This page contains detailed information about the Novell NetIdentity Agent < 1.2.4 Arbitrary Pointer De-reference Code Execution 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: 36103
Name: Novell NetIdentity Agent < 1.2.4 Arbitrary Pointer De-reference Code Execution
Filename: novell_netidentity_1_2_4.nasl
Vulnerability Published: N/A
This Plugin Published: 2009-04-07
Last Modification Time: 2018-11-15
Plugin Version: 1.15
Plugin Type: local
Plugin Family: Windows
Dependencies: smb_enum_services.nasl, smb_hotfixes.nasl
Required KB Items [?]: SMB/Registry/Enumerated

Vulnerability Information

Severity: High
Vulnerability Published: N/A
Patch Published: 2009-04-03
CVE [?]: CVE-2009-1350
CPE [?]: N/A

Synopsis

The remote Windows host allows remote execution of arbitrary code.

Description

The 'xtagent.exe' program included with the version of Novell's NetIdentity Agent installed on the remote Windows host contains an arbitrary pointer de-reference vulnerability. Using specially crafted RPC messages over the 'XTIERRPCPIPE' named pipe, an attacker who can establish a valid IPC$ connection can leverage this issue to execute arbitrary code with system privileges on the affected host.

Solution

Upgrade to NetIdentity Agent 1.2.4, build 1.2.612 or later.

Public Exploits

Target Network Port(s): 139, 445
Target Asset(s): N/A
Exploit Available: True (Metasploit Framework, Exploit-DB, Core Impact)
Exploit Ease: Exploits are available

Here's the list of publicly known exploits and PoCs for verifying the Novell NetIdentity Agent < 1.2.4 Arbitrary Pointer De-reference Code Execution vulnerability:

Metasploit: exploit/windows/smb/netidentity_xtierrpcpipe
[Novell NetIdentity Agent XTIERRPCPIPE Named Pipe Buffer Overflow]
Exploit-DB: exploits/windows/remote/16376.rb
[EDB-16376: Novell NetIdentity Agent - XTIERRPCPIPE Named Pipe Buffer Overflow (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:S/C:C/I:C/A:C/E:F/RL:OF/RC:C

CVSS Base Score:	9.0 (High)
Impact Subscore:	10.0
Exploitability Subscore:	8.0
CVSS Temporal Score:	7.4 (High)
CVSS Environmental Score:	NA (None)
Modified Impact Subscore:	NA
Overall CVSS Score:	7.4 (High)

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Plugin Source

#
# (C) Tenable Network Security, Inc.
#


include("compat.inc");


if (description)
{
  script_id(36103);
  script_version("1.15");
 script_cvs_date("Date: 2018/11/15 20:50:27");

  script_cve_id("CVE-2009-1350");
  script_bugtraq_id(34400);
  script_xref(name:"Secunia", value:"34574");

  script_name(english:"Novell NetIdentity Agent < 1.2.4 Arbitrary Pointer De-reference Code Execution");
  script_summary(english:"Checks version of xtagent.exe");

  script_set_attribute(attribute:"synopsis", value:"The remote Windows host allows remote execution of arbitrary code.");
  script_set_attribute(attribute:"description", value:
"The 'xtagent.exe' program included with the version of Novell's
NetIdentity Agent installed on the remote Windows host contains an
arbitrary pointer de-reference vulnerability. Using specially crafted
RPC messages over the 'XTIERRPCPIPE' named pipe, an attacker who can
establish a valid IPC$ connection can leverage this issue to execute
arbitrary code with system privileges on the affected host.");
  script_set_attribute(attribute:"see_also", value:"https://www.zerodayinitiative.com/advisories/ZDI-09-016/");
  script_set_attribute(
    attribute:"see_also",
    value:"https://seclists.org/fulldisclosure/2009/Apr/52"
  );
  script_set_attribute(
    attribute:"see_also",
    value:"http://download.novell.com/Download?buildid=6ERQGPjRZ8o~"
  );
  script_set_attribute(attribute:"solution", value:"Upgrade to NetIdentity Agent 1.2.4, build 1.2.612 or later.");
  script_set_cvss_base_vector("CVSS2#AV:N/AC:L/Au:S/C:C/I:C/A:C");
  script_set_cvss_temporal_vector("CVSS2#E:F/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:"exploit_framework_core", value:"true");
  script_set_attribute(attribute:"metasploit_name", value:'Novell NetIdentity Agent XTIERRPCPIPE Named Pipe Buffer Overflow');
  script_set_attribute(attribute:"exploit_framework_metasploit", value:"true");
  script_cwe_id(20);

 script_set_attribute(attribute:"patch_publication_date", value:"2009/04/03");
 script_set_attribute(attribute:"plugin_publication_date", value:"2009/04/07");

  script_set_attribute(attribute:"plugin_type", value:"local");
  script_end_attributes();

  script_category(ACT_GATHER_INFO);
  script_family(english:"Windows");

  script_copyright(english:"This script is Copyright (C) 2009-2018 Tenable Network Security, Inc.");

  script_dependencies("smb_enum_services.nasl", "smb_hotfixes.nasl");
  script_require_keys("SMB/Registry/Enumerated");
  script_require_ports(139, 445);

  exit(0);
}


include("audit.inc");
include("smb_func.inc");
include("smb_hotfixes.inc");


if (!get_kb_item("SMB/Registry/Enumerated")) exit(1, "KB 'SMB/Registry/Enumerated' not set to TRUE.");


# Make sure the affected service is running, unless we're being paranoid.
if (report_paranoia < 2)
{
  services = get_kb_item("SMB/svcs");
  if (
    services &&
    "XTAgent" >!< services &&
    "Novell XTier Agent Services" >!< services
  ) exit(0);
}


# Connect to the appropriate share.
port    =  kb_smb_transport();
login   =  kb_smb_login();
pass    =  kb_smb_password();
domain  =  kb_smb_domain();

if(! smb_session_init()) audit(AUDIT_FN_FAIL, 'smb_session_init');

rc = NetUseAdd(login:login, password:pass, domain:domain, share:"IPC$");
if (rc != 1)
{
  NetUseDel();
  audit(AUDIT_SHARE_FAIL,"IPC$");
}


# Connect to remote registry.
hklm = RegConnectRegistry(hkey:HKEY_LOCAL_MACHINE);
if (isnull(hklm))
{
  NetUseDel();
  audit(AUDIT_REG_FAIL);

}


# Find the agent's location.
file = NULL;

key = "SOFTWARE\Novell\NetIdentity\SharedDLLs";
key_h = RegOpenKey(handle:hklm, key:key, mode:MAXIMUM_ALLOWED);
if (!isnull(key_h))
{
  info = RegQueryInfoKey(handle:key_h);
  for (i=0; i<info[0]; ++i)
  {
    value = RegEnumValue(handle:key_h, index:i);
    if (strlen(value[1]) && value[1] =~ "xtagent\.exe$")
    {
      file = value[1];
      break;
    }
  }
  RegCloseKey(handle:key_h);
}
RegCloseKey(handle:hklm);
if (isnull(file))
{
  NetUseDel();
  exit(0);
}


# Grab the version from the executable.
share = ereg_replace(pattern:"^([A-Za-z]):.*", replace:"\1$", string:file);
exe =  ereg_replace(pattern:"^[A-Za-z]:(.*)", replace:"\1", string:file);
NetUseDel(close:FALSE);

rc = NetUseAdd(login:login, password:pass, domain:domain, share:share);
if (rc != 1)
{
  NetUseDel();
  audit(AUDIT_SHARE_FAIL,share);
}

fh = CreateFile(
  file:exe,
  desired_access:GENERIC_READ,
  file_attributes:FILE_ATTRIBUTE_NORMAL,
  share_mode:FILE_SHARE_READ,
  create_disposition:OPEN_EXISTING
);

ver = NULL;
if (!isnull(fh))
{
  ver = GetFileVersion(handle:fh);
  CloseFile(handle:fh);
}
NetUseDel();


# Check the version number.
if (!isnull(ver))
{
  fix = split("1.2.4.5", sep:'.', keep:FALSE);
  for (i=0; i<max_index(fix); i++)
    fix[i] = int(fix[i]);

  for (i=0; i<max_index(ver); i++)
    if ((ver[i] < fix[i]))
    {
      if (report_verbosity > 0)
      {
        version = string(ver[0], ".", ver[1], ".", ver[2], " Build ", ver[3]);

        report = string(
          "\n",
          "  File    : ", file, "\n",
          "  Version : ", version, "\n"
        );
        security_hole(port:port, extra:report);
      }
      else security_hole(port);
      break;
    }
    else if (ver[i] > fix[i])
      break;
}

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

Linux / Unix:
/opt/nessus/lib/nessus/plugins/novell_netidentity_1_2_4.nasl
Windows:
C:\ProgramData\Tenable\Nessus\nessus\plugins\novell_netidentity_1_2_4.nasl
Mac OS X:
/Library/Nessus/run/lib/nessus/plugins/novell_netidentity_1_2_4.nasl

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How to Run

Here is how to run the Novell NetIdentity Agent < 1.2.4 Arbitrary Pointer De-reference Code Execution 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 Windows plugin family.
On the right side table select Novell NetIdentity Agent < 1.2.4 Arbitrary Pointer De-reference Code Execution plugin ID 36103.
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 novell_netidentity_1_2_4.nasl -t <IP/HOST>

Run the plugin with audit trail message on the console:

/opt/nessus/bin/nasl -a novell_netidentity_1_2_4.nasl -t <IP/HOST>

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

/opt/nessus/bin/nasl -T - novell_netidentity_1_2_4.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 novell_netidentity_1_2_4.nasl -t <IP/HOST>

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References

BID | SecurityFocus Bugtraq ID:

34400

Secunia Advisory:

34574

CWE | Common Weakness Enumeration:

CWE-20 (Weakness) Improper Input Validation

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 novell_netidentity_1_2_4.nasl version 1.15. For more plugins, visit the Nessus Plugin Library.

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Novell NetIdentity Agent < 1.2.4 Arbitrary Pointer De-reference Code Execution - Nessus

Plugin Overview

Vulnerability Information

Synopsis

Description

Solution

Public Exploits

Risk Information

Plugin Source

How to Run

References

Version

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