critical
9.8
CWE
787 121 119
Advisory Published
Updated

CVE-2023-2262: Rockwell Automation Select Logix Communication Modules Vulnerable to Email Object Buffer Overflow

First published: Wed Sep 20 2023(Updated: )

A buffer overflow vulnerability exists in the Rockwell Automation select 1756-EN* communication devices. If exploited, a threat actor could potentially leverage this vulnerability to perform a remote code execution. To exploit this vulnerability, a threat actor would have to send a maliciously crafted CIP request to device.

Credit: PSIRT@rockwellautomation.com PSIRT@rockwellautomation.com

Affected SoftwareAffected VersionHow to fix
Rockwellautomation 1756-en2t Series A Firmware>=5.008<=5.028
Rockwellautomation 1756-en2t Series A
Rockwellautomation 1756-en2t Series B Firmware>=5.008<=5.028
Rockwellautomation 1756-en2t Series B
Rockwellautomation 1756-en2t Series C Firmware>=5.008<=5.028
Rockwellautomation 1756-en2t Series C
Rockwellautomation 1756-en2t Series D Firmware<=11.002
Rockwellautomation 1756-en2t Series D
Rockwellautomation 1756-en2tk Series A Firmware>=5.008<=5.028
Rockwellautomation 1756-en2tk Series A
Rockwellautomation 1756-en2tk Series B Firmware>=5.008<=5.028
Rockwellautomation 1756-en2tk Series B
Rockwellautomation 1756-en2tk Series C Firmware>=5.008<=5.028
Rockwellautomation 1756-en2tk Series C
Rockwellautomation 1756-en2txt Series A Firmware>=5.008<=5.028
Rockwellautomation 1756-en2txt Series A
Rockwellautomation 1756-en2txt Series B Firmware>=5.008<=5.028
Rockwellautomation 1756-en2txt Series B
Rockwellautomation 1756-en2txt Series C Firmware>=5.008<=5.028
Rockwellautomation 1756-en2txt Series C
Rockwellautomation 1756-en2txt Series D Firmware<=11.002
Rockwellautomation 1756-en2txt Series D
Rockwellautomation 1756-en2tp Series A Firmware<=11.002
Rockwellautomation 1756-en2tp Series A
Rockwellautomation 1756-en2tpk Series A Firmware<=11.002
Rockwellautomation 1756-en2tpk Series A
Rockwellautomation 1756-en2tr Series A Firmware>=5.008<=5.028
Rockwellautomation 1756-en2tr Series A
Rockwellautomation 1756-en2tr Series B Firmware>=5.008<=5.028
Rockwellautomation 1756-en2tr Series B
Rockwellautomation 1756-en2tr Series C Firmware<=11.002
Rockwellautomation 1756-en2tr Series C
Rockwellautomation 1756-en2trk Series A Firmware>=5.008<=5.028
Rockwellautomation 1756-en2trk Series A
Rockwellautomation 1756-en2trk Series B Firmware>=5.008<=5.028
Rockwellautomation 1756-en2trk Series B
Rockwellautomation 1756-en2trk Series C Firmware<=11.002
Rockwellautomation 1756-en2trk Series C
Rockwellautomation 1756-en2trxt Series A Firmware>=5.008<=5.028
Rockwellautomation 1756-en2trxt Series A
Rockwellautomation 1756-en2trxt Series B Firmware>=5.008<=5.028
Rockwellautomation 1756-en2trxt Series B
Rockwellautomation 1756-en2trxt Series C Firmware<=11.002
Rockwellautomation 1756-en2trxt Series C
Rockwellautomation 1756-en2f Series A Firmware>=5.008<=5.028
Rockwellautomation 1756-en2f Series A
Rockwellautomation 1756-en2f Series B Firmware>=5.008<=5.028
Rockwellautomation 1756-en2f Series B
Rockwellautomation 1756-en2f Series C Firmware<=11.002
Rockwellautomation 1756-en2f Series C
Rockwellautomation 1756-en2fk Series A Firmware>=5.008<=5.028
Rockwellautomation 1756-en2fk Series A
Rockwellautomation 1756-en2fk Series B Firmware>=5.008<=5.028
Rockwellautomation 1756-en2fk Series B
Rockwellautomation 1756-en2fk Series C Firmware<=11.002
Rockwellautomation 1756-en2fk Series C
Rockwellautomation 1756-en3tr Series A Firmware>=5.008<=5.028
Rockwellautomation 1756-en3tr Series A
Rockwellautomation 1756-en3tr Series B Firmware<=11.003
Rockwellautomation 1756-en3tr Series B
Rockwellautomation 1756-en3trk Series A Firmware>=5.008<=5.028
Rockwellautomation 1756-en3trk Series A
Rockwellautomation 1756-en3trk Series B Firmware<=11.002
Rockwellautomation 1756-en3trk Series B
Rockwellautomation 1756-en2tpxt Series A Firmware<=11.002
Rockwellautomation 1756-en2tpxt Series A

Remedy

Update firmware. Update EN2* ControlLogix communications modules to mitigated firmware. * Restrict traffic to the SMTP port (25), if not needed. * Customers using the EN2/EN3 versions 10.x and higher can disable the email object, if not needed. Instructions can be found in the EtherNet/IP Network Devices User Manual (rockwellautomation.com) https://literature.rockwellautomation.com/idc/groups/literature/documents/um/enet-um006_-en-p.pdf , publication ENET-UM006. * QA43240 - Recommended Security Guidelines from Rockwell Automation https://rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1085012

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