CVE-2021-47705
HIGHCOMMAX UMS Client ActiveX Control 1.7.0.2 - Buffer Overflow
Title source: llmExploitation Summary
EIP tracks 1 public exploit for CVE-2021-47705. PoCs published by LiquidWorm.
AI-analyzed exploit summary This exploit demonstrates a heap-based buffer overflow in COMMAX UMS Client ActiveX Control (CNC_Ctrl.dll) by passing overly long strings to the 'rtsp_forceconnect_login' function, leading to arbitrary code execution. The PoC triggers an access violation and overwrites the exception handler, confirming the vulnerability.
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.
Exploits (1)
This exploit demonstrates a heap-based buffer overflow in COMMAX UMS Client ActiveX Control (CNC_Ctrl.dll) by passing overly long strings to the 'rtsp_forceconnect_login' function, leading to arbitrary code execution. The PoC triggers an access violation and overwrites the exception handler, confirming the vulnerability.
References (4)
Scores
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X