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CVE-2023-32560 is a critical buffer overflow vulnerability affecting Ivanti Avalanche Manager, specifically the Wavelink Avalanche Manager component. An attacker can send a specially crafted message to the service and trigger memory corruption, resulting in a crash or arbitrary code execution. Available reporting describes this issue collectively as critical Avalanche buffer overflows fixed by Ivanti, but does not provide sufficient technical detail to identify the exact vulnerable function or whether the flaw is strictly stack-based, heap-based, or spans multiple code paths. Ivanti fixed the issue in Avalanche version 6.4.1.
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1 valid exploit after Mallory filtered fakes, detection scripts, and README-only repos (1 hidden).
This repository contains a single Metasploit module (Ruby file) that exploits a stack buffer overflow vulnerability (CVE-2023-32560) in Ivanti Avalanche MDM versions prior to 6.4.1, specifically tested on v6.4.0.0 running on Windows 10. The exploit targets the Avalanche Manager service, which listens by default on TCP port 1777. By sending a specially crafted message containing a custom ROP chain and a Metasploit payload, the attacker can achieve arbitrary code execution as NT AUTHORITY\SYSTEM. The module includes a check method to verify if the service is present and vulnerable, and the exploit method constructs and sends the malicious packet. The payload is customizable via Metasploit, and the exploit is operational, providing SYSTEM-level access if successful. The only fingerprintable endpoint is the TCP service on port 1777. The code is well-structured and leverages Metasploit's Remote::Tcp mixin for network communication.
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