CVE-2019-3780 : What You Need to Know
Discover the critical vulnerability in Cloud Foundry Container Runtime versions prior to 0.28.0 that exposes IAAS credentials, allowing unauthorized access to IAAS accounts. Learn about the impact, technical details, and mitigation steps.
Cloud Foundry Container Runtime versions prior to 0.28.0 are susceptible to a critical vulnerability that could lead to the exposure of IAAS credentials, potentially enabling unauthorized access to IAAS accounts.
Understanding CVE-2019-3780
This CVE involves a security issue in Cloud Foundry Container Runtime that could result in the compromise of IAAS credentials.
What is CVE-2019-3780?
Versions before 0.28.0 of Cloud Foundry Container Runtime deploy K8s worker nodes containing a configuration file with IAAS credentials. Unauthorized access to these nodes could lead to the extraction of IAAS credentials, allowing attackers to elevate privileges and gain entry to IAAS accounts.
The Impact of CVE-2019-3780
The vulnerability poses a critical threat with a CVSS base score of 9.1, indicating high confidentiality, integrity, and availability impacts. Attackers with access to the affected nodes could exploit this flaw to compromise IAAS credentials.
Technical Details of CVE-2019-3780
This section provides detailed technical insights into the vulnerability.
Vulnerability Description
The flaw in Cloud Foundry Container Runtime versions prior to 0.28.0 allows malicious actors to extract IAAS credentials from the configuration file stored on K8s worker nodes.
Affected Systems and Versions
- Product: Cloud Foundry Container Runtime (CFCR)
- Vendor: Cloud Foundry
- Versions Affected: All versions less than v0.28.0
Exploitation Mechanism
- Attack Complexity: Low
- Attack Vector: Network
- Privileges Required: High
- User Interaction: None
- Scope: Changed
- Vector String: CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Mitigation and Prevention
Protecting systems from CVE-2019-3780 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Upgrade Cloud Foundry Container Runtime to version 0.28.0 or higher.
- Monitor and restrict access to K8s worker nodes.
- Rotate IAAS credentials regularly.
Long-Term Security Practices
- Implement least privilege access controls.
- Conduct regular security audits and penetration testing.
- Educate users on secure credential management practices.
Patching and Updates
- Apply security patches promptly.
- Stay informed about security advisories from Cloud Foundry.