CVE-2018-20914 : Exploit Details and Defense Strategies
Learn about CVE-2018-20914, a security flaw in cPanel allowing OpenID providers to inject unauthorized data into session files. Find mitigation steps and prevention measures here.
Prior to version 70.0.23 of cPanel, OpenID providers could inject arbitrary data into cPanel session files, as reported in security advisory SEC-368.
Understanding CVE-2018-20914
In cPanel before version 70.0.23, a vulnerability allowed OpenID providers to manipulate cPanel session files.
What is CVE-2018-20914?
This CVE refers to a security issue in cPanel that enabled OpenID providers to insert unauthorized data into cPanel session files.
The Impact of CVE-2018-20914
The vulnerability could potentially lead to unauthorized access and manipulation of cPanel session data by malicious OpenID providers.
Technical Details of CVE-2018-20914
The technical aspects of the vulnerability are as follows:
Vulnerability Description
OpenID providers could inject arbitrary data into cPanel session files before version 70.0.23.
Affected Systems and Versions
- Product: cPanel
- Vendor: Not applicable
- Versions affected: Before 70.0.23
Exploitation Mechanism
The vulnerability allowed OpenID providers to tamper with session files, potentially compromising the integrity of cPanel sessions.
Mitigation and Prevention
To address CVE-2018-20914, consider the following steps:
Immediate Steps to Take
- Upgrade cPanel to version 70.0.23 or later to mitigate the vulnerability.
- Monitor session files for any unauthorized changes.
Long-Term Security Practices
- Regularly update cPanel to the latest versions to patch security vulnerabilities.
- Implement strict access controls and monitoring mechanisms for session data.
- Educate users on safe OpenID provider usage.
Patching and Updates
Ensure timely patching and updates for cPanel to prevent exploitation of known vulnerabilities.