CVE-2018-16988 : Security Advisory and Response
Learn about CVE-2018-16988, a vulnerability in Open XDMoD up to version 7.5.0 allowing an authentication bypass. Find out the impact, affected systems, exploitation mechanism, and mitigation steps.
A vulnerability in Open XDMoD up to version 7.5.0 allows for an authentication bypass through a weak password reset mechanism, potentially leading to an account takeover.
Understanding CVE-2018-16988
This CVE entry describes a security flaw in Open XDMoD that could be exploited by attackers to bypass authentication.
What is CVE-2018-16988?
The vulnerability in Open XDMoD up to version 7.5.0 allows attackers to perform an authentication bypass through a weak password reset mechanism, potentially leading to an account takeover.
The Impact of CVE-2018-16988
Exploiting this vulnerability could result in unauthorized access to user accounts and sensitive information stored within the Open XDMoD system.
Technical Details of CVE-2018-16988
This section provides more technical insights into the vulnerability.
Vulnerability Description
The existing weak mechanism for password reset in Open XDMoD up to version 7.5.0 can lead to an authentication bypass, enabling attackers to take over user accounts.
Affected Systems and Versions
- Product: Open XDMoD
- Vendor: N/A
- Versions affected: Up to version 7.5.0
Exploitation Mechanism
- Attackers need to perform a brute-force attack against an MD5 rid value to exploit the vulnerability.
- In a plausible scenario where the attacker knows that a password reset process was initiated, it would only require approximately 600 attempts to guess the correct password within a few minutes.
Mitigation and Prevention
Protecting systems from CVE-2018-16988 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Implement strong password policies and encourage users to use complex passwords.
- Monitor login attempts and implement account lockout mechanisms after multiple failed login attempts.
- Regularly review and update the Open XDMoD system for security patches.
Long-Term Security Practices
- Conduct regular security assessments and penetration testing to identify and address vulnerabilities.
- Educate users about the importance of cybersecurity and best practices for securing their accounts.
Patching and Updates
- Stay informed about security updates and patches released by Open XDMoD and promptly apply them to mitigate the risk of exploitation.