CVE-2023-2262: rockwell auotmation 1756-en2tpxt series a Stack-based Buffer Overflow

Vulnerability summary

CVE-2023-2262 is a critical (CVSS 9.8) Stack-based Buffer Overflow vulnerability in rockwell auotmation 1756-en2tpxt series a. EPSS estimates a 1.29% chance of exploitation in the next 30 days, higher than 70% of scored vulnerabilities.

Timeline

1. 20-09-2023
   PublishedVulnerability first disclosed.
2. 25-09-2024
   Last modifiedVulnerability information updated.

Description

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.

• CWE-121Stack-based Buffer OverflowA stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).
• CWE-787Out-of-bounds WriteThe product writes data past the end, or before the beginning, of the intended buffer.