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Winamp versions 5.21, 5.5, and 5.51 contain multiple stack-based buffer overflows in in_mp3.dll when constructing stream titles from Ultravox streaming metadata. An overly long artist tag or name tag can overflow a stack buffer.
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1 valid exploit after Mallory filtered fakes, detection scripts, and README-only repos.
This repository contains a single Metasploit module targeting a stack buffer overflow vulnerability in Winamp 5.24's in_mp3.dll, specifically when parsing Ultravox streaming metadata. The exploit sets up a malicious HTTP server (default port 8080) that serves a crafted Ultravox metadata response with an overly long artist tag, triggering the buffer overflow when processed by a vulnerable Winamp client. The module allows for arbitrary code execution via customizable Metasploit payloads. The attack can be triggered either by enticing a user to open a malicious stream in their browser or directly in the Winamp client. The code is written in Ruby and leverages Metasploit's TcpServer mixin for network delivery. The only endpoints involved are the attacker's HTTP server and the reference to the vulnerable in_mp3.dll plugin. The exploit is operational and not just a proof of concept, as it delivers a working payload and is integrated into the Metasploit framework.
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