CVE-2018-20890 : What You Need to Know

In cPanel versions prior to 74.0.0, a vulnerability (SEC-426) allows unauthorized changes to zone files during record edits.

Understanding CVE-2018-20890

In this CVE, cPanel before version 74.0.0 is susceptible to arbitrary modifications in zone files during record editing, posing a security risk.

What is CVE-2018-20890?

cPanel versions earlier than 74.0.0 are vulnerable to unauthorized alterations in zone files while editing records, identified as SEC-426.

The Impact of CVE-2018-20890

This vulnerability could be exploited by attackers to make unauthorized changes to DNS zone files, potentially leading to DNS hijacking or other malicious activities.

Technical Details of CVE-2018-20890

In-depth technical information about the vulnerability is crucial for understanding its implications and implementing effective mitigation strategies.

Vulnerability Description

The vulnerability in cPanel allows for unauthorized modifications to DNS zone files during record editing, potentially leading to security breaches.

Affected Systems and Versions

Product: cPanel
Vendor: cPanel
Versions Affected: Prior to 74.0.0

Exploitation Mechanism

Attackers can exploit this vulnerability by manipulating zone files while editing records, enabling them to make unauthorized changes.

Mitigation and Prevention

Taking immediate steps and implementing long-term security practices are essential to mitigate the risks associated with CVE-2018-20890.

Immediate Steps to Take

Update cPanel to version 74.0.0 or newer to patch the vulnerability.
Monitor DNS zone files for any unauthorized changes.

Long-Term Security Practices

Regularly update software and applications to prevent vulnerabilities.
Implement access controls and monitoring mechanisms to detect unauthorized modifications.

Patching and Updates

Apply patches and updates provided by cPanel to address the vulnerability and enhance system security.