CVE-2018-10140 : What You Need to Know
Learn about CVE-2018-10140, a Denial of Service vulnerability in Palo Alto Networks PAN-OS 8.1.2 and earlier versions. Find out the impact, affected systems, exploitation mechanism, and mitigation steps.
A vulnerability in the PAN-OS Management Web Interface of Palo Alto Networks PAN-OS 8.1.2 and earlier versions could allow an authorized user to terminate all management sessions, redirecting users to the login page.
Understanding CVE-2018-10140
This CVE involves a Denial of Service vulnerability affecting Palo Alto Networks PAN-OS.
What is CVE-2018-10140?
The vulnerability in PAN-OS 8.1.2 and earlier versions allows an authenticated user to shut down all management sessions, leading to all logged-in users being redirected to the login page. Notably, PAN-OS 6.1, PAN-OS 7.1, and PAN-OS 8.0 are not impacted.
The Impact of CVE-2018-10140
The vulnerability could result in a Denial of Service situation, disrupting management sessions and affecting user access to the system.
Technical Details of CVE-2018-10140
This section provides more in-depth technical insights into the vulnerability.
Vulnerability Description
The vulnerability enables an authorized user to terminate all management sessions, causing all logged-in users to be redirected to the login page.
Affected Systems and Versions
- Product: PAN-OS
- Vendor: Palo Alto Networks
- Versions Affected: 8.1.2 and earlier
Exploitation Mechanism
The vulnerability allows an authenticated user to exploit the PAN-OS Management Web Interface to shut down all management sessions, impacting user access.
Mitigation and Prevention
Protecting systems from CVE-2018-10140 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Upgrade affected systems to a non-vulnerable version of PAN-OS.
- Monitor and restrict access to the management web interface.
Long-Term Security Practices
- Regularly update and patch PAN-OS to prevent vulnerabilities.
- Implement strong authentication mechanisms to control access to management interfaces.
- Conduct security audits and assessments to identify and address potential weaknesses.
- Stay informed about security advisories and updates from Palo Alto Networks.
- Consider implementing network segmentation to limit the impact of potential security breaches.
Patching and Updates
Ensure timely installation of security patches and updates provided by Palo Alto Networks to address CVE-2018-10140.