CVE-2018-16877 : Vulnerability Insights and Analysis

A vulnerability in pacemaker's client-server authentication could allow a local attacker to escalate privileges.

Understanding CVE-2018-16877

What is CVE-2018-16877?

The vulnerability exists in the implementation of pacemaker's client-server authentication in versions up to and including 2.0.0. Exploitation by a local attacker, combined with weaknesses in inter-process communication, could lead to the escalation of local privileges.

The Impact of CVE-2018-16877

The vulnerability has a CVSS base score of 8.8, indicating a high severity level. If successfully exploited, it could result in the compromise of confidentiality, integrity, and availability of the affected system.

Technical Details of CVE-2018-16877

Vulnerability Description

The flaw in pacemaker's client-server authentication implementation allows a local attacker to potentially escalate privileges by exploiting weaknesses in inter-process communication.

Affected Systems and Versions

Vendor: ClusterLabs
Product: pacemaker
Versions affected: up to and including Pacemaker-2.0.0

Exploitation Mechanism

The vulnerability can be exploited by a local attacker in conjunction with other weaknesses in inter-process communication to gain escalated privileges.

Mitigation and Prevention

Immediate Steps to Take

Apply the patches provided by the vendor promptly.
Monitor security advisories for any updates or additional mitigation measures.

Long-Term Security Practices

Implement the principle of least privilege to restrict access rights for users and processes.
Regularly update and patch software to address known vulnerabilities.
Conduct security training for personnel to enhance awareness of social engineering tactics.

Patching and Updates

Refer to the vendor's security advisories for patching instructions and updates to address CVE-2018-16877.