CVE-2017-18440 : What You Need to Know
Discover how CVE-2017-18440 impacts cPanel versions before 64.0.21, allowing demo users to execute unauthorized traceroute commands via api2. Learn mitigation steps and best security practices.
The version of cPanel prior to 64.0.21 enables demo users to perform traceroute through api2 (SEC-244).
Understanding CVE-2017-18440
cPanel before 64.0.21 allows demo users to execute traceroute via api2 (SEC-244).
What is CVE-2017-18440?
cPanel versions prior to 64.0.21 have a vulnerability that allows demo users to execute traceroute through api2 (SEC-244).
The Impact of CVE-2017-18440
This vulnerability could be exploited by demo users to perform unauthorized traceroute operations, potentially leading to information disclosure or network reconnaissance.
Technical Details of CVE-2017-18440
Vulnerability Description
The issue in cPanel versions before 64.0.21 permits demo users to execute traceroute via api2 (SEC-244).
Affected Systems and Versions
- Product: cPanel
- Vendor: Not applicable
- Versions affected: All versions prior to 64.0.21
Exploitation Mechanism
The vulnerability allows demo users to leverage the api2 functionality to execute traceroute commands, which could disclose sensitive network information.
Mitigation and Prevention
Immediate Steps to Take
- Upgrade cPanel to version 64.0.21 or later to mitigate the vulnerability.
- Restrict demo user permissions to prevent unauthorized traceroute execution.
Long-Term Security Practices
- Regularly monitor and audit user activities within cPanel to detect any suspicious behavior.
- Educate users on secure practices and the risks associated with unauthorized network operations.
Patching and Updates
Apply security patches and updates provided by cPanel to address known vulnerabilities and enhance system security.