CVE-2022-4634: delta industrial automation cncsoft Stack-based Buffer Overflow

Vulnerability summary

CVE-2022-4634 is a high (CVSS 7.8) Stack-based Buffer Overflow vulnerability in delta industrial automation cncsoft. EPSS estimates a 4.92% chance of exploitation in the next 30 days, higher than 92% of scored vulnerabilities.

Timeline

1. 02-02-2023
   PublishedVulnerability first disclosed.
2. 16-01-2025
   Last modifiedVulnerability information updated.

Description

All versions prior to Delta Electronic’s CNCSoft version 1.01.34 (running ScreenEditor versions 1.01.5 and prior) are vulnerable to a stack-based buffer overflow, which could allow an attacker to remotely execute arbitrary code.

• 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.