CVE-2018-10885 : What You Need to Know
Learn about CVE-2018-10885, a vulnerability in atomic-openshift versions prior to 3.10.9 allowing DoS attacks. Find mitigation steps and long-term security practices here.
Atomic-openshift prior to version 3.10.9 is vulnerable to a crash in Openshift Routing when a malicious network-policy configuration is used with the ovs-networkpolicy plugin, allowing attackers to launch Denial of Service (DoS) attacks on Openshift 3.9 or 3.7 Clusters.
Understanding CVE-2018-10885
This CVE involves a vulnerability in atomic-openshift that can be exploited for DoS attacks.
What is CVE-2018-10885?
CVE-2018-10885 is a vulnerability in atomic-openshift versions prior to 3.10.9 that enables attackers to crash Openshift Routing by utilizing a malicious network-policy configuration with the ovs-networkpolicy plugin.
The Impact of CVE-2018-10885
- CVSS Base Score: 6.5 (Medium Severity)
- Attack Vector: Network
- Attack Complexity: Low
- Availability Impact: High
- Privileges Required: Low
- Scope: Unchanged
- Exploiting this vulnerability can lead to Denial of Service attacks on Openshift 3.9 or 3.7 Clusters.
Technical Details of CVE-2018-10885
This section provides more in-depth technical insights into the CVE.
Vulnerability Description
The vulnerability in atomic-openshift allows for a crash in Openshift Routing when a specific network-policy configuration is used with the ovs-networkpolicy plugin.
Affected Systems and Versions
- Affected Product: atomic-openshift
- Affected Version: atomic-openshift 3.10.9
Exploitation Mechanism
Attackers can exploit this vulnerability by leveraging a malicious network-policy configuration with the ovs-networkpolicy plugin to trigger a crash in Openshift Routing.
Mitigation and Prevention
Protecting systems from CVE-2018-10885 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Upgrade to atomic-openshift version 3.10.9 or newer to mitigate the vulnerability.
- Monitor network configurations for any suspicious activity.
Long-Term Security Practices
- Regularly update and patch the atomic-openshift software to address security flaws.
- Implement network security measures to prevent unauthorized access.
Patching and Updates
Ensure timely installation of security patches and updates to stay protected from known vulnerabilities.