The is a popular tool for running any application as a Windows service. While the tool itself is not inherently malicious, it is frequently exploited for Local Privilege Escalation (LPE) due to misconfigurations or unquoted service paths. Core Vulnerability: Unquoted Service Paths
: CVE-2016-8742 affected Apache CouchDB, where improper directory inheritance allowed users to substitute the service launcher for their own code.
: Services managed by NSSM often run as LocalSystem, providing immediate administrative access upon successful exploitation. nssm-2.24 privilege escalation
Technical background (how unquoted service path LPE works)
NSSM stores its configuration in the Windows Registry under HKLM\System\CurrentControlSet\Services\ \Parameters . The is a popular tool for running any
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NSSM 2.24 is a textbook example of how a small oversight in a utility tool can lead to a full domain compromise. The privilege escalation vector is trivial to exploit yet devastating in impact. While the maintainers fixed the issue years ago, the software supply chain is messy. : Services managed by NSSM often run as
Practical detection (quick checks)
The NSSM-2.24 privilege escalation vulnerability highlights the importance of continuous security assessment and timely patching of software. By understanding the technical details of the vulnerability and implementing the recommended mitigations, organizations can protect their systems from potential exploitation. It is crucial for users of NSSM to stay informed about security updates and to follow best practices for securing service management configurations.