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A stack-based buffer overflow exists in the logging function of the Windows Workstation Service (WKSSVC.DLL). Remote attackers can exploit this vulnerability by making RPC calls that result in overly long entries being written to the NetSetup.LOG debug log file. The vulnerability can be triggered, for example, via the NetAddAlternateComputerName API, leading to the execution of arbitrary code in the context of the Workstation Service.
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1 valid exploit after Mallory filtered fakes, detection scripts, and README-only repos (3 hidden).
This repository contains a single Metasploit module (ms03_049_netapi.rb) that exploits a stack buffer overflow vulnerability in the NetApi32 NetAddAlternateComputerName function of the Workstation service on Windows XP SP0/SP1 (CVE-2003-0812, MS03-049). The exploit connects to the target over SMB, binds to the Workstation service via DCERPC using a named pipe (default 'BROWSER' or 'WKSSVC'), and sends a specially crafted request that overflows a buffer, allowing arbitrary code execution. The payload is customizable and leverages Metasploit's payload framework. The module is operational and requires network access to the target's SMB service. The only file in the repository is a Ruby script structured as a standard Metasploit exploit module.
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