Stack-Based Buffer Overflow in WellinTech KingView ActiveX Control
CVE-2011-3142

Currently unrated

Key Information:

Vendor: Wellintech
Status: Kingview
Vendor: CVE Published:; 16 August 2011

Badges

👾 Exploit Exists🟡 Public PoC🟣 EPSS 33%

What is CVE-2011-3142?

A stack-based buffer overflow vulnerability exists in an ActiveX control within the KVWebSvr.dll file in WellinTech's KingView versions 6.52 and 6.53. This flaw can be exploited by remote attackers to execute arbitrary code on the affected system. Specifically, the vulnerability arises from inadequate validation of input passed to the ValidateUser method, whereby an excessively long second argument can lead to memory corruption. This exposes organizations using KingView to significant security risks, making it critical to apply appropriate patches and mitigations against this exploit.

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Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2011-3142 - Proof of Concept