Description
COMMAX UMS Client ActiveX Control 1.7.0.2 contains a heap-based buffer overflow vulnerability that allows attackers to execute arbitrary code by providing excessively long string arrays through multiple functions. Attackers can exploit improper boundary validation in CNC_Ctrl.dll to cause heap corruption and potentially gain system-level access.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| COMMAX | COMMAX UMS Client ActiveX Control | 1.7.0.2 | — |
References
- ExploitDB-50232 exploit
- Zero Science Lab Disclosure (ZSL-2021-5664) third-party-advisory
- Reference technical-description
- VulnCheck Advisory: CNC_Ctrl DllUnregisterServer Access Violation third-party-advisory