CVE-2018-1265 : What You Need to Know
Learn about CVE-2018-1265, a critical vulnerability in Cloud Foundry Diego versions prior to 2.8.0 allowing remote attackers to compromise systems. Find mitigation steps and preventive measures here.
Cloud Foundry Diego versions prior to 2.8.0 are vulnerable to a directory traversal exploit that allows a remote attacker with CF admin privileges to take control of a Diego Cell VM.
Understanding CVE-2018-1265
This CVE highlights a critical vulnerability in Cloud Foundry Diego that could lead to a complete compromise of the affected system.
What is CVE-2018-1265?
The issue arises from improper sanitization of file paths in tar and zip file headers in Cloud Foundry Diego versions before 2.8.0. This flaw enables a remote attacker to exploit the system.
The Impact of CVE-2018-1265
A malicious buildpack uploaded by an attacker with CF admin privileges can result in the attacker gaining control of a Diego Cell VM and accessing all apps running on that specific cell.
Technical Details of CVE-2018-1265
Cloud Foundry Diego's vulnerability to directory traversal attacks poses significant risks to system security.
Vulnerability Description
The vulnerability allows remote attackers to manipulate file paths in tar and zip file headers, potentially leading to a complete system compromise.
Affected Systems and Versions
- Product: Diego
- Vendor: Cloud Foundry
- Versions Affected: Prior to 2.8.0
- Version Type: Custom
Exploitation Mechanism
- Attackers with CF admin privileges can upload a malicious buildpack to exploit the vulnerability.
Mitigation and Prevention
Taking immediate steps and implementing long-term security practices are crucial to mitigating the risks associated with CVE-2018-1265.
Immediate Steps to Take
- Update Cloud Foundry Diego to version 2.8.0 or higher to patch the vulnerability.
- Monitor and restrict admin privileges to prevent unauthorized access.
Long-Term Security Practices
- Regularly audit and review file handling mechanisms to ensure proper sanitization.
- Conduct security training for administrators to enhance awareness of potential threats.
Patching and Updates
- Apply security patches and updates promptly to address known vulnerabilities and enhance system security.