CVE-2018-20936 Explained : Impact and Mitigation

An issue in versions of cPanel prior to 68.0.27 enables attackers to gain access to the SRS secret by exploiting the exim.conf file (SEC-308).

Understanding CVE-2018-20936

This CVE involves a vulnerability in cPanel versions before 68.0.27 that allows attackers to read the SRS secret via the exim.conf file.

What is CVE-2018-20936?

cPanel before version 68.0.27 is susceptible to a security flaw that permits attackers to access the SRS secret through the exim exim.conf file (SEC-308).

The Impact of CVE-2018-20936

This vulnerability could potentially lead to unauthorized access to sensitive information stored in the SRS secret, compromising the security and confidentiality of the system.

Technical Details of CVE-2018-20936

This section provides more technical insights into the CVE.

Vulnerability Description

The vulnerability in cPanel versions prior to 68.0.27 allows attackers to exploit the exim.conf file to gain access to the SRS secret (SEC-308).

Affected Systems and Versions

Affected Product: cPanel
Affected Versions: Prior to 68.0.27

Exploitation Mechanism

Attackers can exploit the exim.conf file in cPanel versions before 68.0.27 to read the SRS secret, potentially leading to unauthorized access.

Mitigation and Prevention

To address CVE-2018-20936, follow these mitigation strategies:

Immediate Steps to Take

Update cPanel to version 68.0.27 or later to patch the vulnerability.
Monitor system logs for any suspicious activities indicating unauthorized access.

Long-Term Security Practices

Regularly update software and applications to ensure the latest security patches are in place.
Implement access controls and restrictions to limit unauthorized access to sensitive information.

Patching and Updates

Apply patches and updates provided by cPanel promptly to address security vulnerabilities and enhance system security.