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CVE-2024-22899 is an authenticated remote code execution vulnerability in Vinchin Backup & Recovery v7.2. The flaw resides in the syncNtpTime function, which improperly controls code generation, allowing an authenticated attacker with low privileges to execute arbitrary code on the system. The vulnerability is classified as CWE-94 (Improper Control of Generation of Code).
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1 valid exploit after Mallory filtered fakes, detection scripts, and README-only repos.
This repository provides a full exploit chain targeting Vinchin Backup and Recovery version 7.2 and earlier, exploiting multiple critical vulnerabilities (CVE-2024-22899 to CVE-2024-22903). The main exploit script, 'exploit.py', automates the exploitation process, supporting both authenticated and unauthenticated attack paths. It leverages default root SSH credentials (CVE-2024-22902), hardcoded MySQL credentials (CVE-2024-22901), and several post-authentication RCE vulnerabilities in the web API (CVE-2024-22899, CVE-2024-22900, CVE-2024-22903, and an unassigned issue in getVerifydiyResult). The exploit can deliver a reverse shell using various payload types (nc, bash, python, perl, php), with the payload hex-encoded and injected into vulnerable API parameters. The repository includes detailed documentation for each vulnerability, proof-of-concept requests, and example payloads. The attack surface is primarily the /api/ HTTP endpoint, with specific vulnerable functions accessible via crafted POST requests. The exploit requires Chrome 114 for WebDriver-based automation, and can also be used with curl or direct HTTP requests. The codebase is primarily Python (exploit.py) and PHP (vulnerable handlers), with supporting documentation in Markdown. The exploit is operational, providing a working RCE chain that can be used for both research and real-world attacks if the target is unpatched and exposed.
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