CVE-2020-1741 Explained : Impact and Mitigation
Discover the security vulnerability in openshift-ansible affecting Red Hat's OpenShift Container Platform (OCP) 3.11. Learn about the impact, technical details, and mitigation steps.
A flaw was found in openshift-ansible concerning OpenShift Container Platform (OCP) 3.11, which is too permissive in specifying CORS allowed origins during installation. This vulnerability could be exploited by an attacker to perform a phishing attack, compromising data confidentiality.
Understanding CVE-2020-1741
This CVE details a security vulnerability in openshift-ansible that affects OpenShift Container Platform (OCP) 3.11.
What is CVE-2020-1741?
The vulnerability in openshift-ansible for OCP 3.11 allows a man-in-the-middle attacker to exploit the way CORS allowed origins are configured during installation. This could enable a phishing attack compromising data confidentiality.
The Impact of CVE-2020-1741
The main threat posed by this vulnerability is to data confidentiality due to the potential for phishing attacks.
Technical Details of CVE-2020-1741
This section delves into the technical aspects of the CVE.
Vulnerability Description
The vulnerability lies in the too permissive specification of CORS allowed origins during OpenShift Container Platform (OCP) 3.11 installation.
Affected Systems and Versions
- Product: openshift-ansible
- Vendor: Red Hat
- Versions Affected: openshift-ansible-3.11
Exploitation Mechanism
- Attack Complexity: HIGH
- Attack Vector: NETWORK
- Privileges Required: NONE
- User Interaction: REQUIRED
- Confidentiality Impact: HIGH
- Integrity Impact: LOW
- Scope: UNCHANGED
- Vector String: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:L/A:N
Mitigation and Prevention
Steps to mitigate and prevent exploitation of CVE-2020-1741.
Immediate Steps to Take
- Review and update CORS settings to restrict allowed origins tightly.
- Monitor network traffic for any signs of unauthorized access.
Long-Term Security Practices
- Regularly update and patch openshift-ansible to the latest version.
- Conduct security audits and penetration testing on OCP installations to identify vulnerabilities.
Patching and Updates
Apply patches released by Red Hat to address the vulnerability.