Novell ZENworks Multiple Remote Pre-Authentication Overflows - Nessus

Critical Plugin ID: 18524

This page contains detailed information about the Novell ZENworks Multiple Remote Pre-Authentication Overflows 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: 18524
Name: Novell ZENworks Multiple Remote Pre-Authentication Overflows
Filename: zenworks_multiple.nasl
Vulnerability Published: 2005-05-19
This Plugin Published: 2005-06-17
Last Modification Time: 2018-08-07
Plugin Version: 1.18
Plugin Type: remote
Plugin Family: Gain a shell remotely
Dependencies: None

Vulnerability Information

Severity: Critical
Vulnerability Published: 2005-05-19
Patch Published: N/A
CVE [?]: CVE-2005-1543
CPE [?]: N/A

Synopsis

Arbitrary code can be executed on the remote host.

Description

The remote host is running Novell ZENworks Desktop or Server Management, a remote desktop management software.

The remote version of this software is affected by multiple heap and stack overflow vulnerabilities which may be exploited by an attacker to to execute arbitrary code on the remote host with SYSTEM privileges.

Solution

http://support.novell.com/cgi-bin/search/searchtid.cgi?/10097644.htm

Public Exploits

Target Network Port(s): 1761
Target Asset(s): N/A
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 Novell ZENworks Multiple Remote Pre-Authentication Overflows vulnerability:

Metasploit: exploit/windows/novell/zenworks_desktop_agent
[Novell ZENworks 6.5 Desktop/Server Management Overflow]
Exploit-DB: exploits/windows/remote/16815.rb
[EDB-16815: Novell ZENworks 6.5 - Desktop/Server Management 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:N/C:C/I:C/A:C/E:F/RL:OF/RC:C

CVSS Base Score:	10.0 (High)
Impact Subscore:	10.0
Exploitability Subscore:	10.0
CVSS Temporal Score:	8.3 (High)
CVSS Environmental Score:	NA (None)
Modified Impact Subscore:	NA
Overall CVSS Score:	8.3 (High)

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Plugin Source

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


include("compat.inc");

if(description)
{
 script_id(18524);
 script_version("1.18");
 script_cve_id("CVE-2005-1543");
 script_bugtraq_id(13678);

 script_name(english:"Novell ZENworks Multiple Remote Pre-Authentication Overflows");
 
 script_set_attribute(attribute:"synopsis", value:
"Arbitrary code can be executed on the remote host." );
 script_set_attribute(attribute:"description", value:
"The remote host is running Novell ZENworks Desktop or Server Management,
a remote desktop management software.

The remote version of this software is affected by multiple heap and
stack overflow vulnerabilities which may be exploited by an attacker
to to execute arbitrary code on the remote host with SYSTEM
privileges." );
 script_set_attribute(attribute:"solution", value:
"http://support.novell.com/cgi-bin/search/searchtid.cgi?/10097644.htm" );
 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: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:'Novell ZENworks 6.5 Desktop/Server Management Overflow');
 script_set_attribute(attribute:"exploit_framework_metasploit", value:"true");
 script_set_attribute(attribute:"plugin_publication_date", value: "2005/06/17");
 script_set_attribute(attribute:"vuln_publication_date", value: "2005/05/19");
 script_cvs_date("Date: 2018/08/07 16:46:50");
 script_set_attribute(attribute:"plugin_type", value:"remote");
 script_end_attributes();

 script_summary(english:"Determines if ZENWorks is vulnerable to Buffer and Heap Overflow");
 script_category(ACT_GATHER_INFO);
 script_copyright(english:"This script is Copyright (C) 2005-2018 Tenable Network Security, Inc.");
 script_family(english:"Gain a shell remotely");
 script_require_ports(1761);
 exit(0);
}

port = 1761;

if ( ! get_port_state(port) ) exit(0);

soc = open_sock_tcp (port);
if (!soc) exit(0);

version_req = raw_string (0x00, 0x06, 0x05, 0x01, 0x10, 0xe6, 0x01, 0x00, 0x34, 0x5a, 0xf4, 0x77, 0x80, 0x95, 0xf8, 0x77);

send (socket:soc, data:version_req);
buf = recv (socket:soc, length:20);
if ((strlen(buf) != 16))
  exit(0);

vers = ord (buf[1]);

if ( (vers != 6) &&
     (vers != 4) &&
     (vers != 3) )
  exit (0);

vers_comp = raw_string (0x00, 0x01);

send (socket:soc, data:vers_comp);
buf = recv (socket:soc, length:2);

#must be 0 or 2
if (strlen (buf) == 1)
  exit (0);

# we receive a msg first (sometimes)
if (strlen(buf) == 2)
{
 len = ord(buf[0]) * 256 + ord(buf[1]);
 buf = recv (socket:soc, length:len);
 if (strlen(buf) != len)
   exit(0);
}

auth_req = raw_string(0x02, 0x03) + crap(data:"A", length:0x203) + raw_string(0x00, 0x05) + "ak6lb" + raw_string(0x00, 0x07) + "UNKNOWN" + raw_string (0x00, 0x06);
send (socket:soc, data:auth_req);
buf = recv (socket:soc, length:100);

#server / desktop
rep1 = raw_string(0xff,0x9b);
rep2 = raw_string(0x00,0x00);
rep3 = raw_string(0x00,0x01);

if ((strlen(buf) == 2) && ((rep1 >< buf) || (rep2 >< buf) || (rep3 >< buf)))
  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/zenworks_multiple.nasl
Windows:
C:\ProgramData\Tenable\Nessus\nessus\plugins\zenworks_multiple.nasl
Mac OS X:
/Library/Nessus/run/lib/nessus/plugins/zenworks_multiple.nasl

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How to Run

Here is how to run the Novell ZENworks Multiple Remote Pre-Authentication Overflows 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 Gain a shell remotely plugin family.
On the right side table select Novell ZENworks Multiple Remote Pre-Authentication Overflows plugin ID 18524.
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 zenworks_multiple.nasl -t <IP/HOST>

Run the plugin with audit trail message on the console:

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

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

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

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References

BID | SecurityFocus Bugtraq ID:

13678

See also:

Similar and related Nessus plugins:

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65722 - Novell ZENworks Control Center File Upload Remote Code Execution
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Version

This page has been produced using Nessus Professional 10.1.2 (#68) LINUX, Plugin set 202205072148.
Plugin file zenworks_multiple.nasl version 1.18. For more plugins, visit the Nessus Plugin Library.

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Novell ZENworks Multiple Remote Pre-Authentication Overflows - Nessus

Plugin Overview

Vulnerability Information

Synopsis

Description

Solution

Public Exploits

Risk Information

Plugin Source

How to Run

References

Version

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