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A stack-based buffer overflow exists in the PassThru functionality of ext.dll in BadBlue 2.72b and earlier. The vulnerability is triggered by sending a long query string to the affected component, which does not properly validate input length, leading to a buffer overflow condition.
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1 valid exploit after Mallory filtered fakes, detection scripts, and README-only repos (2 hidden).
This repository contains a single Metasploit module (modules/exploits/windows/http/badblue_passthru.rb) that exploits a stack buffer overflow vulnerability in the PassThru functionality of ext.dll in BadBlue 2.72b and earlier (including BadBlue EE 2.7) on Windows. The exploit works by sending a specially crafted HTTP request to the /ext.dll endpoint with the mfcisapicommand=PassThru parameter, overflowing a buffer and allowing arbitrary code execution. The module supports customizable payloads (up to 750 bytes, with specific bad characters avoided) and leverages Metasploit's payload and handler infrastructure. The exploit is weaponized, as it is part of the Metasploit framework and allows for easy payload customization and delivery. The only fingerprintable endpoint is the vulnerable HTTP request to /ext.dll. The module is attributed to CVE-2007-6377 and is intended for use against vulnerable BadBlue installations.
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