RuggedCom RuggedOS Default 'factory' Account Backdoor - Nessus

Critical   Plugin ID: 58991

This page contains detailed information about the RuggedCom RuggedOS Default 'factory' Account Backdoor 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

ID: 58991
Name: RuggedCom RuggedOS Default 'factory' Account Backdoor
Filename: scada_ruggedos_factory_backdoor.nbin
Vulnerability Published: 2012-04-23
This Plugin Published: 2012-06-12
Last Modification Time: 2022-05-03
Plugin Version: 1.391
Plugin Type: remote
Plugin Family: SCADA
Dependencies: account_check.nasl, find_service1.nasl, find_service2.nasl, scada_ruggedos_http_detect.nbin, ssh_detect.nasl, telnetserver_detect_type_nd_version.nasl
Excluded KB Items [?]: global_settings/supplied_logins_only

Vulnerability Information

Severity: Critical
Vulnerability Published: 2012-04-23
Patch Published: N/A
CVE [?]: CVE-2012-1803
CPE [?]: cpe:/o:siemens:ruggedcom_rugged_operating_system
Default Account Vulnerability: True

Synopsis

The remote network device has a hard-coded user account with predictable credentials.

Description

The remote device is running RuggedCom RuggedOS (ROS). Using the user name 'factory' and a password derived from the MAC address of the device (which is present in the telnet login banner), Nessus was able to successfully log into the device via a built-in backdoor account.

Solution

Upgrade to the latest RuggedOS firmware version per the vendor's advisory.

Public Exploits

Target Network Port(s): 22, 23, 514
Target Asset(s): Services/rsh, Services/ssh, Services/telnet
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 RuggedCom RuggedOS Default 'factory' Account Backdoor vulnerability:

  1. Metasploit: auxiliary/scanner/telnet/telnet_ruggedcom
    [RuggedCom Telnet Password Generator]
  2. Exploit-DB: exploits/hardware/remote/18779.txt
    [EDB-18779: RuggedCom Devices - Backdoor Access]

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 Score Source [?]: CVE-2012-1803
CVSS V2 Vector: AV:N/AC:M/Au:S/C:C/I:C/A:C/E:F/RL:OF/RC:C
CVSS Base Score:8.5 (High)
Impact Subscore:10.0
Exploitability Subscore:6.8
CVSS Temporal Score:7.0 (High)
CVSS Environmental Score:NA (None)
Modified Impact Subscore:NA
Overall CVSS Score:7.0 (High)
CVSS V3 Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C
CVSS Base Score:9.8 (Critical)
Impact Subscore:5.9
Exploitability Subscore:3.9
CVSS Temporal Score:8.8 (High)
CVSS Environmental Score:NA (None)
Modified Impact Subscore:NA
Overall CVSS Score:8.8 (High)

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Plugin Source

The scada_ruggedos_factory_backdoor.nbin Nessus plugin is distributed in a propriatory binary format and its source code is protected. This script is Copyright (C) 2012-2022 and is owned by Tenable, Inc. or an Affiliate thereof.

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

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

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How to Run

Here is how to run the RuggedCom RuggedOS Default 'factory' Account Backdoor as a standalone plugin via the Nessus web user interface (https://localhost:8834/):

  1. Click to start a New Scan.
  2. Select Advanced Scan.
  3. Navigate to the Plugins tab.
  4. On the top right corner click to Disable All plugins.
  5. On the left side table select SCADA plugin family.
  6. On the right side table select RuggedCom RuggedOS Default 'factory' Account Backdoor plugin ID 58991.
  7. Specify the target on the Settings tab and click to Save the scan.
  8. 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 scada_ruggedos_factory_backdoor.nbin -t <IP/HOST>

Run the plugin with audit trail message on the console:

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

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

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

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References

BID | SecurityFocus Bugtraq ID: CERT | Computer Emergency Response Team: ICSA | ICS Advisory: ICS Alert: 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 scada_ruggedos_factory_backdoor.nbin version 1.391. For more plugins, visit the Nessus Plugin Library.

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