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CVE-2025-34322 is an authenticated OS command injection vulnerability in Nagios Log Server versions prior to 2026R1.0.1. The flaw resides in the experimental 'Natural Language Queries' feature. When this feature is configured, user-controlled settings such as model selection and connection parameters are read from the global configuration and concatenated into a shell command that is executed via shell_exec() without proper neutralization of special characters or safe command-line argument handling. An authenticated user with access to the Global Settings page can supply crafted values in these configuration fields to inject additional shell commands. Successful exploitation results in arbitrary command execution on the Log Server host in the security context of the web server account, identified as 'www-data'.
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1 valid exploit after Mallory filtered fakes, detection scripts, and README-only repos.
This repository provides proof-of-concept exploits for two vulnerabilities in Nagios Log Server: CVE-2025-34322 (authenticated command injection) and CVE-2025-34323 (privilege escalation to root). The repository contains two main Python scripts: - CVE-2025-34322.py: Exploits an authenticated command injection vulnerability by injecting commands into the 'self_host_ip_address' parameter of the global settings. The output of the command is written to a web-accessible file, which is then retrieved. - root_exploit.py: Chains the command injection with a privilege escalation technique. It replaces a sudo-enabled script with a malicious payload that spawns a root reverse shell, then restores the original script. The exploit leverages the ability of the 'www-data' user to move and overwrite scripts in a writable directory and execute them as root via sudo. The README.md provides detailed manual exploitation steps and explains the underlying vulnerabilities. The exploits require valid credentials and network access to the Nagios Log Server web interface. The code is operational and demonstrates both arbitrary command execution and full root compromise on vulnerable systems.
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