CVE-2017-18463 : Security Advisory and Response

A vulnerability in versions of cPanel prior to 62.0.17 allows for code execution within the root account by exploiting an excessively long DocumentRoot path (SEC-225).

Understanding CVE-2017-18463

This CVE identifies a security issue in cPanel versions before 62.0.17 that can be leveraged to execute code within the root account.

What is CVE-2017-18463?

The vulnerability in cPanel versions prior to 62.0.17 permits the execution of code within the root account through the exploitation of a DocumentRoot path that is excessively long.

The Impact of CVE-2017-18463

This vulnerability poses a significant risk as it allows unauthorized code execution within the root account, potentially leading to system compromise and unauthorized access.

Technical Details of CVE-2017-18463

This section delves into the technical aspects of the CVE.

Vulnerability Description

The vulnerability in cPanel before version 62.0.17 enables code execution within the root account by manipulating a DocumentRoot path.

Affected Systems and Versions

Affected Product: cPanel
Vulnerable Versions: Prior to 62.0.17

Exploitation Mechanism

The vulnerability is exploited by using an excessively long DocumentRoot path to execute code within the root account.

Mitigation and Prevention

Protecting systems from CVE-2017-18463 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update cPanel to version 62.0.17 or later to mitigate the vulnerability.
Monitor for any unauthorized access or suspicious activities on the system.

Long-Term Security Practices

Regularly update software and apply security patches to prevent similar vulnerabilities.
Implement strong access controls and least privilege principles to limit the impact of potential security breaches.
Conduct regular security audits and penetration testing to identify and address any security gaps.
Educate users on safe computing practices to reduce the risk of exploitation.

Patching and Updates

Ensure timely patching and updates for cPanel to address known vulnerabilities and enhance system security.