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A heap-based buffer overflow exists in BKCLogSvr.exe in Yokogawa CENTUM CS 3000 R3.09.50 and earlier. The vulnerability is triggered when the service processes specially crafted UDP packets, leading to a heap overflow condition. This can allow remote attackers to execute arbitrary code on the affected system.
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1 valid exploit after Mallory filtered fakes, detection scripts, and README-only repos.
This repository contains a single Metasploit auxiliary DoS module targeting a heap buffer overflow vulnerability in the Yokogawa CENTUM CS 3000 BKCLogSvr.exe process (CVE-2014-0781). The exploit works by sending multiple specially crafted UDP packets to the service on port 52302, exploiting improper handling of a long 'level' field in log packets. The result is a Denial of Service, crashing the BKCLogSvr.exe process. The module is written in Ruby and leverages Metasploit's UDP and DoS auxiliary components. The code is operational and can be used to reliably crash the target service if the attacker can reach the UDP port. No payload for code execution is provided; the exploit is strictly for service disruption. The repository structure is standard for Metasploit modules, with the exploit logic contained in a single Ruby file.
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