CVE-2025-65530
Summary
CVE-2025-65530 is a high-severity vulnerability affecting CloudLinux ai-bolit versions prior to v32.7.4. This vulnerability allows an attacker to inject arbitrary code via an eval function within the malware de-obfuscation routines, potentially leading to arbitrary file overwrites with root privileges.
Technical Details
CVE-2025-65530 stems from an insecure use of the eval() function within the malware de-obfuscation routines of CloudLinux ai-bolit. The vulnerability resides in the way ai-bolit processes and interprets potentially malicious files during a scan. Specifically, when ai-bolit encounters obfuscated code within a scanned file, it attempts to de-obfuscate it using eval(). By crafting a malicious file containing specially crafted code, an attacker can inject arbitrary PHP code that will be executed by the eval() function with the privileges of the ai-bolit process, which typically runs as root. This allows the attacker to overwrite arbitrary files on the system, effectively gaining control over the affected server.
The root cause is the lack of proper sanitization and validation of the input passed to the eval() function. This allows an attacker to bypass security checks and inject malicious code that will be executed by the server.
Affected Products and Versions
- CloudLinux ai-bolit versions prior to v32.7.4
Impact Assessment
Successful exploitation of CVE-2025-65530 can have severe consequences, potentially leading to complete system compromise.
- Arbitrary File Overwrite: Attackers can overwrite critical system files, leading to denial of service or system instability.
- Root Access: By overwriting files such as
/etc/passwdor/etc/shadow, attackers can gain root access to the affected system. - Malware Installation: Attackers can install malware, backdoors, or other malicious software on the system.
- Data Breach: Attackers can access sensitive data stored on the system, leading to data breaches and privacy violations.
- Website Defacement: Attackers can deface websites hosted on the affected server.
Remediation
Immediate Actions
- Upgrade to ai-bolit v32.7.4 or later: This is the primary and most effective way to mitigate the vulnerability.
- Review ai-bolit scan logs: Look for suspicious activity or unusual file access patterns that may indicate exploitation attempts.
- Restrict access to ai-bolit: Limit access to the ai-bolit scanner to authorized personnel only.
Long-term Solutions
- Implement robust input validation: Ensure that all input passed to the
eval()function is properly sanitized and validated to prevent code injection. - Consider alternative de-obfuscation methods: Explore safer alternatives to
eval()for de-obfuscating code. - Regular security audits: Conduct regular security audits to identify and address potential vulnerabilities in your systems.
References
Detection & Scanning
Detecting CVE-2025-65530 requires careful analysis of ai-bolit scan logs and system activity. Look for unusual file access patterns, unexpected code execution, or modifications to critical system files. Vulnerability scanners can also be used to identify vulnerable versions of ai-bolit.
Scan Your Website
Secably AI Scanner can detect this and 50+ other vulnerabilities automatically, helping you proactively identify and address security risks.
Start Free ScanScan Your Website for Vulnerabilities
Discover security issues before attackers do. Our AI-powered scanner checks for the vulnerabilities discussed in this guide and more.
Start Free Scan