CVE-2018-10811 Explained : Impact and Mitigation
Learn about CVE-2018-10811, a vulnerability in strongSwan versions 5.6.0 and older that allows remote attackers to initiate a Denial of Service attack. Find out how to mitigate and prevent this security risk.
A vulnerability in strongSwan versions 5.6.0 and earlier could allow remote attackers to launch a Denial of Service attack.
Understanding CVE-2018-10811
This CVE entry describes a security flaw in strongSwan that could be exploited by malicious actors to cause a Denial of Service.
What is CVE-2018-10811?
CVE-2018-10811 is a vulnerability in strongSwan versions 5.6.0 and older due to the absence of variable initialization. This oversight can be leveraged by remote attackers to trigger a Denial of Service attack.
The Impact of CVE-2018-10811
The vulnerability allows remote attackers to initiate a Denial of Service attack on systems running affected versions of strongSwan, potentially disrupting services and causing system unavailability.
Technical Details of CVE-2018-10811
This section provides technical insights into the vulnerability.
Vulnerability Description
The vulnerability in strongSwan 5.6.0 and older stems from the lack of variable initialization, enabling remote Denial of Service attacks.
Affected Systems and Versions
- Product: Not applicable
- Vendor: Not applicable
- Versions: strongSwan versions 5.6.0 and earlier
Exploitation Mechanism
The vulnerability can be exploited remotely by attackers to trigger a Denial of Service condition on vulnerable systems.
Mitigation and Prevention
Protecting systems from CVE-2018-10811 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Update strongSwan to a patched version that addresses the variable initialization issue.
- Implement network security measures to detect and block potential Denial of Service attacks.
Long-Term Security Practices
- Regularly monitor and update software to patch known vulnerabilities promptly.
- Conduct security assessments and penetration testing to identify and mitigate potential weaknesses.
Patching and Updates
Ensure that all systems running strongSwan are updated with the latest patches and security fixes to prevent exploitation of CVE-2018-10811.