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CVE-2024-29976 is an improper privilege management issue in the “show_allsessions” command on Zyxel NAS326 (firmware < V5.21(AAZF.17)C0) and NAS542 (firmware < V5.21(ABAG.14)C0). The flaw allows an authenticated attacker to access a logged-in administrator’s session information, including cookies, on an affected device, due to insufficient privilege enforcement around retrieval of session data.
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1 valid exploit after Mallory filtered fakes, detection scripts, and README-only repos.
This repository is a comprehensive proof-of-concept exploit toolkit targeting multiple vulnerabilities (CVE-2024-29972 through CVE-2024-29976) in ZyXEL NAS devices, such as the NAS326. The main exploit script, 'exploit.py', is a command-line tool (using Typer) that provides several attack primitives: - Arbitrary Python code execution via command injection (CVE-2024-29973) - Privilege escalation to root using a local binary (CVE-2024-29975) - Extraction of sensitive information (CVE-2024-29976) - Enabling a backdoor account and SSH service (CVE-2024-29972) - Uploading a malicious configuration file to achieve persistence (CVE-2024-29974) The exploit interacts with the target device over HTTP, abusing endpoints such as '/cmd,/simZysh/register_main/setCookie' for code execution and '/desktop,/cgi-bin/file_upload-cgi/favicon.ico' for uploading malicious files. The included shell scripts ('create_rom.sh' and 'create_tar_archive.sh') are used to craft a malicious ROM/configuration archive, which, when uploaded, sets up a cronjob to create a file ('/tmp/pwned') as a marker of successful exploitation. The repository is structured as follows: - 'exploit.py': Main exploit script with multiple attack commands - 'create_rom.sh' and 'create_tar_archive.sh': Helper scripts for crafting malicious configuration payloads - 'magic.rom': Placeholder for the malicious ROM file - 'requirements.txt': Python dependencies Overall, this repository provides a multi-faceted attack toolkit for exploiting and persisting on vulnerable ZyXEL NAS devices.
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