CVE-2017-18450 : What You Need to Know
Learn about CVE-2017-18450, a vulnerability in cPanel versions before 64.0.21 allowing unauthorized file-chmod operations. Find mitigation steps and best practices for long-term security.
cPanel before version 64.0.21 has a vulnerability (SEC-255) that allows specific file-chmod operations through the /scripts/convert_roundcube_mysql2sqlite script.
Understanding CVE-2017-18450
This CVE entry describes a security vulnerability in cPanel versions prior to 64.0.21 that enables certain file-chmod operations via a specific script.
What is CVE-2017-18450?
The vulnerability in cPanel (SEC-255) allows for unauthorized file-chmod operations through the /scripts/convert_roundcube_mysql2sqlite script.
The Impact of CVE-2017-18450
This vulnerability could be exploited by malicious actors to manipulate file permissions, potentially leading to unauthorized access or data compromise.
Technical Details of CVE-2017-18450
Vulnerability Description
Prior to version 64.0.21, cPanel is susceptible to specific file-chmod operations through the /scripts/convert_roundcube_mysql2sqlite script.
Affected Systems and Versions
- Product: Not applicable
- Vendor: Not applicable
- Versions affected: Not applicable
Exploitation Mechanism
The vulnerability allows attackers to perform unauthorized file-chmod operations via the vulnerable script.
Mitigation and Prevention
Immediate Steps to Take
- Upgrade cPanel to version 64.0.21 or newer to mitigate the vulnerability.
- Monitor file permissions and access logs for any suspicious activities.
Long-Term Security Practices
- Regularly update cPanel and other software to patch known vulnerabilities.
- Implement strong access controls and least privilege principles to limit unauthorized actions.
Patching and Updates
Ensure timely installation of security patches and updates to prevent exploitation of known vulnerabilities.