Rockwell Automation RSLinx Classic < 4.00.01 Local Privilege Escalation - Nessus

High   Plugin ID: 110534

This page contains detailed information about the Rockwell Automation RSLinx Classic < 4.00.01 Local Privilege Escalation Nessus plugin including available exploits and PoCs found on GitHub, in Metasploit or Exploit-DB for verifying of this vulnerability.

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Plugin Overview

ID: 110534
Name: Rockwell Automation RSLinx Classic < 4.00.01 Local Privilege Escalation
Filename: scada_rslinx_classic_4_00_01.nbin
Vulnerability Published: 2018-06-07
This Plugin Published: 2018-06-14
Last Modification Time: 2022-04-25
Plugin Version: 1.46
Plugin Type: local
Plugin Family: SCADA
Dependencies: scada_app_rslinx_classic_detect.nbin
Required KB Items [?]: installed_sw/Rockwell Automation RSLinx Classic

Vulnerability Information

Severity: High
Vulnerability Published: 2018-06-07
Patch Published: 2018-06-07
CVE [?]: CVE-2018-10619
CPE [?]: cpe:/a:rockwellautomation:rslinx_classic

Synopsis

An application running on the remote host is affected by a local privilege escalation vulnerability.

Description

The remote host has a version of RSLinx Classic installed that is prior to 4.00.01. It is, therefore, affected by a local privilege escalation vulnerability due to an unquoted path for a Windows service. A local attacker can gain elevated privileges by inserting an executable file in the path of the affected service.

Solution

Upgrade to Rockwell Automation RSLinx Classic version 4.00.01 or later.

Public Exploits

Target Network Port(s): N/A
Target Asset(s): N/A
Exploit Available: True (Exploit-DB)
Exploit Ease: Exploits are available

Here's the list of publicly known exploits and PoCs for verifying the Rockwell Automation RSLinx Classic < 4.00.01 Local Privilege Escalation vulnerability:

  1. Exploit-DB: exploits/windows/local/44892.txt
    [EDB-44892: RSLinx Classic and FactoryTalk Linx Gateway - Privilege Escalation]

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-2018-10619
CVSS V2 Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:OF/RC:C
CVSS Base Score:4.6 (Medium)
Impact Subscore:6.4
Exploitability Subscore:3.9
CVSS Temporal Score:3.6 (Low)
CVSS Environmental Score:NA (None)
Modified Impact Subscore:NA
Overall CVSS Score:3.6 (Low)
CVSS V3 Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C
CVSS Base Score:7.8 (High)
Impact Subscore:5.9
Exploitability Subscore:1.8
CVSS Temporal Score:7.0 (High)
CVSS Environmental Score:NA (None)
Modified Impact Subscore:NA
Overall CVSS Score:7.0 (High)

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Plugin Source

The scada_rslinx_classic_4_00_01.nbin Nessus plugin is distributed in a propriatory binary format and its source code is protected. This script is Copyright (C) 2018-2022 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_rslinx_classic_4_00_01.nbin
  • Windows:
    C:\ProgramData\Tenable\Nessus\nessus\plugins\scada_rslinx_classic_4_00_01.nbin
  • Mac OS X:
    /Library/Nessus/run/lib/nessus/plugins/scada_rslinx_classic_4_00_01.nbin

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How to Run

Here is how to run the Rockwell Automation RSLinx Classic < 4.00.01 Local Privilege Escalation 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 Rockwell Automation RSLinx Classic < 4.00.01 Local Privilege Escalation plugin ID 110534.
  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_rslinx_classic_4_00_01.nbin -t <IP/HOST>

Run the plugin with audit trail message on the console:

/opt/nessus/bin/nasl -a scada_rslinx_classic_4_00_01.nbin -t <IP/HOST>

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

/opt/nessus/bin/nasl -T - scada_rslinx_classic_4_00_01.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_rslinx_classic_4_00_01.nbin -t <IP/HOST>

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References

BID | SecurityFocus Bugtraq ID: ICSA | ICS Advisory: See also: Similar and related Nessus plugins:
  • 500305 - Rockwell (CVE-2018-10619)
  • 500183 - Rockwell (CVE-2009-0473)
  • 500302 - Rockwell (CVE-2016-2279)
  • 500118 - Rockwell (CVE-2018-19615)
  • 500247 - Rockwell (CVE-2018-19616)
  • 500457 - Rockwell (CVE-2020-12027)
  • 500392 - Rockwell (CVE-2020-12028)
  • 500478 - Rockwell (CVE-2020-12029)

Version

This page has been produced using Nessus Professional 10.1.2 (#68) LINUX, Plugin set 202205072148.
Plugin file scada_rslinx_classic_4_00_01.nbin version 1.46. For more plugins, visit the Nessus Plugin Library.

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