Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2023.4866 ICS Advisory | ICSA-23-236-06 Rockwell Automation Input/Output Modules 25 August 2023 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Rockwell Automation Input/Output Modules Publisher: ICS-CERT Operating System: Network Appliance Resolution: Patch/Upgrade CVE Names: CVE-2022-1737 Original Bulletin: https://www.cisa.gov/news-events/ics-advisories/icsa-23-236-06 Comment: CVSS (Max): 8.6 CVE-2022-1737 (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H) CVSS Source: ICS-CERT Calculator: https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H - --------------------------BEGIN INCLUDED TEXT-------------------- ICS Advisory (ICSA-23-236-06) Rockwell Automation Input/Output Modules Release Date August 24, 2023 1. EXECUTIVE SUMMARY o CVSS v3 8.6 o ATTENTION: Exploitable remotely/low attack complexity o Vendor: Rockwell Automation o Equipment: 1734-AENT/1734-AENTR Series C, 1734-AENT/1734-AENTR Series B, 1738-AENT/ 1738-AENTR Series B, 1794-AENTR Series A, 1732E-16CFGM12QCWR Series A, 1732E-12X4M12QCDR Series A, 1732E-16CFGM12QCR Series A, 1732E-16CFGM12P5QCR Series A, 1732E-12X4M12P5QCDR Series A, 1732E-16CFGM12P5QCWR Series B, 1732E-IB16M12R Series B, 1732E-OB16M12R Series B, 1732E-16CFGM12R Series B, 1732E-IB16M12DR Series B, 1732E-OB16M12DR Series B, 1732E-8X8M12DR Series B, 1799ER-IQ10XOQ10 Series B o Vulnerability: Out-of-Bounds Write 2. RISK EVALUATION Successful exploitation of this vulnerability could allow an attacker to cause a denial-of-service on the affected products. 3. TECHNICAL DETAILS 3.1 AFFECTED PRODUCTS The following versions of select Input/Output Modules from Rockwell Automation are affected: o 1734-AENT/1734-AENTR Series C: Versions 7.011 and prior o 1734-AENT/1734-AENTR Series B: Versions 5.019 and prior o 1738-AENT/ 1738-AENTR Series B: Versions 6.011 and prior o 1794-AENTR Series A: Versions 2.011 and prior o 1732E-16CFGM12QCWR Series A: Versions 3.011 and prior o 1732E-12X4M12QCDR Series A: Versions 3.011 and prior o 1732E-16CFGM12QCR Series A: Versions 3.011 and prior o 1732E-16CFGM12P5QCR Series A: Versions 3.011 and prior o 1732E-12X4M12P5QCDR Series A: Versions 3.011 and prior o 1732E-16CFGM12P5QCWR Series B: Versions 3.011 and prior o 1732E-IB16M12R Series B: Versions 3.011 and prior o 1732E-OB16M12R Series B: Versions 3.011 and prior o 1732E-16CFGM12R Series B: Versions 3.011 and prior o 1732E-IB16M12DR Series B: Versions 3.011 and prior o 1732E-OB16M12DR Series B: Versions 3.011 and prior o 1732E-8X8M12DR Series B: Versions 3.011 and prior o 1799ER-IQ10XOQ10 Series B: Versions 3.011 and prior 3.2 VULNERABILITY OVERVIEW 3.2.1 OUT-OF-BOUNDS WRITE CWE-787 Pyramid Solutions' affected products, the Developer and DLL kits for EtherNet/ IP Adapter and EtherNet/IP Scanner may be vulnerable to an out-of-bounds write, which may allow an unauthorized threat actor to send a specially crafted packet that may result in a denial-of-service condition. CVE-2022-1737 has been assigned to this vulnerability. A CVSS v3 base score of 8.6 has been calculated; the CVSS vector string is ( AV:N/AC:L/PR:N/UI:N/S:C/ C:N/I:N/A:H ). 3.3 BACKGROUND o CRITICAL INFRASTRUCTURE SECTORS: Critical Manufacturing o COUNTRIES/AREAS DEPLOYED: Worldwide o COMPANY HEADQUARTERS LOCATION: United States 3.4 RESEARCHER Rockwell Automation reported this vulnerability to CISA. 4. MITIGATIONS Rockwell Automation has released and recommends users apply the following mitigations: o 1734-AENT/1734-AENTR Series C: Versions 7.011 and prior. Upgrade to 7.013 o 1734-AENT/1734-AENTR Series B: Versions 5.019 and prior. Upgrade to 5.021 o 1738-AENT/ 1738-AENTR Series B: Versions 6.011 and prior. Upgrade to 6.013 o 1794-AENTR Series A: Versions 2.011 and prior. Upgrade to 2.012 o 1732E-16CFGM12QCWR Series A: Versions 3.011 and prior. Upgrade to 3.012 o 1732E-12X4M12QCDR Series A: Versions 3.011 and prior. Upgrade to 3.012 o 1732E-16CFGM12QCR Series A: Versions 3.011 and prior. Upgrade to 3.012 o 1732E-16CFGM12P5QCR Series A: Versions 3.011 and prior. Upgrade to 3.012 o 1732E-12X4M12P5QCDR Series A: Versions 3.011 and prior. Upgrade to 3.012 o 1732E-16CFGM12P5QCWR Series B: Versions 3.011 and prior. Upgrade to 3.012 o 1732E-IB16M12R Series B: Versions 3.011 and prior. Upgrade to 3.012 o 1732E-OB16M12R Series B: Versions 3.011 and prior. Upgrade to 3.012 o 1732E-16CFGM12R Series B: Versions 3.011 and prior. Upgrade to 3.012 o 1732E-IB16M12DR Series B: Versions 3.011 and prior. Upgrade to 3.012 o 1732E-OB16M12DR Series B: Versions 3.011 and prior. Upgrade to 3.012 o 1732E-8X8M12DR Series B: Versions 3.011 and prior. Upgrade to 3.012 o 1799ER-IQ10XOQ10 Series B: Versions 3.011 and prior. Upgrade to 3.012 Rockwell Automation encourages users of the affected software to apply the risk mitigations below, if possible. Additionally, users are encouraged to implement suggested security best practices to minimize the risk of vulnerability. Users should upgrade to the corrected firmware to mitigate the issues: o Security best practices For more information, see Rockwell Automation's Security Advisory . CISA reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures. CISA also provides a section for control systems security recommended practices on the ICS webpage at cisa.gov/ics . Several CISA products detailing cyber defense best practices are available for reading and download, including Improving Industrial Control Systems Cybersecurity with Defense-in-Depth Strategies . Additional mitigation guidance and recommended practices are publicly available on the ICS webpage at cisa.gov/ics in the technical information paper, ICS-TIP-12-146-01B--Targeted Cyber Intrusion Detection and Mitigation Strategies . Organizations observing suspected malicious activity should follow established internal procedures and report findings to CISA for tracking and correlation against other incidents. No known public exploitation specifically targeting this vulnerability has been reported to CISA at this time. This product is provided subject to this Notification and this Privacy & Use policy. Vendor Rockwell Automation - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. The mailing list you are subscribed to is maintained within your organisation, so if you do not wish to continue receiving these bulletins you should contact your local IT manager. If you do not know who that is, please send an email to auscert@auscert.org.au and we will forward your request to the appropriate person. NOTE: Third Party Rights This security bulletin is provided as a service to AusCERT's members. As AusCERT did not write the document quoted above, AusCERT has had no control over its content. The decision to follow or act on information or advice contained in this security bulletin is the responsibility of each user or organisation, and should be considered in accordance with your organisation's site policies and procedures. AusCERT takes no responsibility for consequences which may arise from following or acting on information or advice contained in this security bulletin. NOTE: This is only the original release of the security bulletin. It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author's website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: https://www.auscert.org.au/bulletins/ =========================================================================== Australian Computer Emergency Response Team The University of Queensland Brisbane Qld 4072 Internet Email: auscert@auscert.org.au Facsimile: (07) 3365 7031 Telephone: (07) 3365 4417 (International: +61 7 3365 4417) AusCERT personnel answer during Queensland business hours which are GMT+10:00 (AEST). On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: https://auscert.org.au/gpg-key/ iQIVAwUBZOgHsskNZI30y1K9AQgcZQ/9Hutk1tGoLonjtP1RIckBD5ZRw1f3i7do QQNi6FugRBqtTrnHue0gf0iLCXYbSXcbj4HEocpji33mSg73KCntyOs8t32BX7zN KqtqPpUe8Paafvqt+tRjS7F9fFTKH0CGsIT7DEIKnbm3Y9zDW1L3MfLAr6Z6A2YC NE3Bwm4hYFgm1RaK1SCv7AXB74n9AI/ug8qjUmEeOz03ZELQG0cIfAesRQvX70zs epgAGHRkLn8Vd8j/yPkDp/+1jpBAO9E0klSZOWzRIKwZuVd488jfv8FZrp9el7vW lPmy5srYi7aVpNpDuR9uJFVuLInBOnnyEUIe4u1ghC4c3Vme4ZQ5VV0/UOfCSRTe /WjF7qOmWEmuv2JL4hUr2JDHwpWV6pVHgor0J3/IbdFsG+7i6rHQ6LImTyYboh6K xpp/gt0PTmwRV0lUqjN0HssuVd+F/MnreB4AI8hrx9RS1bSQx3/mM/PafMV5Dk9/ ClyIwG6CaDSyqEWv57OGq+1d6+4dkIZarXuKwAK4Maq8nIDRv0laKOVmXNsHbQGB PY43SCMu67GmgjU6dJuTypaEuRW9NLDw9FVQbhetnQ7zNXBHKrntFAVLFWoI+lxz WLklPAO690lDDMmWxF/afPlCWh5yiphZJmrL7YLDD1utwoNpGI8t/urYq9SFMICT vpWbZfmWCEI= =VmIC -----END PGP SIGNATURE-----