CVE-2018-10843 : Security Advisory and Response
Learn about CVE-2018-10843, a privilege escalation vulnerability in Openshift Container Platform versions atomic-openshift 3.7.53 and 3.9.31. Understand the impact, affected systems, and mitigation steps.
The source-to-image component in the Openshift Container Platform versions atomic-openshift 3.7.53 and atomic-openshift 3.9.31 has a vulnerability that enables privilege escalation, allowing the assemble script to execute as the root user in a container with limited privileges.
Understanding CVE-2018-10843
This CVE involves a privilege escalation vulnerability in the source-to-image component of Openshift Container Platform.
What is CVE-2018-10843?
The vulnerability in atomic-openshift versions 3.7.53 and 3.9.31 allows an attacker to run the assemble script as the root user in a container with restricted privileges, potentially enabling unauthorized network connections and actions typically restricted to root users.
The Impact of CVE-2018-10843
The impact of this CVE is rated as HIGH with a CVSS base score of 8.5. It affects confidentiality, integrity, and availability, with a low level of privileges required for exploitation.
Technical Details of CVE-2018-10843
This section provides detailed technical information about the vulnerability.
Vulnerability Description
The vulnerability allows the assemble script to run as the root user in a container with limited privileges, enabling unauthorized network connections and actions typically restricted to root users.
Affected Systems and Versions
- Product: source-to-image
- Vendor: [UNKNOWN]
- Versions: atomic-openshift 3.7.53, atomic-openshift 3.9.31
Exploitation Mechanism
The vulnerability can be exploited by an attacker to establish network connections and perform actions on the host that are usually restricted to root users.
Mitigation and Prevention
Protective measures and actions to mitigate the impact of CVE-2018-10843.
Immediate Steps to Take
- Apply patches provided by the vendor promptly.
- Monitor network traffic for any suspicious activity.
- Restrict access to vulnerable systems.
Long-Term Security Practices
- Regularly update and patch software to prevent vulnerabilities.
- Implement the principle of least privilege to limit user access.
- Conduct regular security audits and assessments.
Patching and Updates
Ensure that all affected systems are updated with the latest patches to address the vulnerability.