#VU81050 Stack-based buffer overflow in Rockwell Automation products - CVE-2023-2262

Vulnerability identifier: #VU81050

Vulnerability risk: High

CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber

CVE-ID: CVE-2023-2262

CWE-ID: CWE-121

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerable software:
1756-EN2T Series A
1756-EN2T Series B
1756-EN2T Series C
1756-EN2T Series D
1756-EN2TR Series A
1756-EN2TR Series B
1756-EN2TR Series C
1756-EN2TRXT Series B
1756-EN2F Series A
1756-EN2F Series B
1756-EN2F Series C
1756-EN2FK Series B
1756-EN3TR Series A
1756-EN3TR Series B
1756-EN2TK Series A
1756-EN2TK Series B
1756-EN2TK Series C
1756-EN2TK Series D
1756-EN2TXT Series A
1756-EN2TXT Series B
1756-EN2TXT Series C
1756-EN2TXT Series D
1756-EN2TP Series A
1756-EN2TPK Series A
1756-EN2TPXT Series A
1756-EN2TRK Series A
1756-EN2TRK Series B
1756-EN2TRK Series C
1756-EN2TRXT Series A
1756-EN2TRXT Series C
1756-EN2FK Series A
1756-EN2FK Series C
1756-EN3TRK Series A
1756-EN3TRK Series B

Software vendor:
Rockwell Automation

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error. A remote unauthenticated attacker can send a specially crafted CIP request, trigger stack-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Install updates from vendor's website.

• https://rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1140786
• https://www.cisa.gov/news-events/ics-advisories/icsa-23-264-04