CVE-2017-4969 : Exploit Details and Defense Strategies

Developers who are authenticated users of the Cloud Controller in versions of Cloud Foundry cf-release prior to v255 can exceed memory and disk quotas for tasks.

Understanding CVE-2017-4969

This CVE highlights a vulnerability in Cloud Foundry Cloud Controller that allows authenticated developer users to surpass memory and disk quotas for tasks.

What is CVE-2017-4969?

The Cloud Controller in Cloud Foundry cf-release versions prior to v255 permits authenticated developer users to exceed memory and disk quotas for tasks.

The Impact of CVE-2017-4969

This vulnerability enables authenticated users to go beyond established memory and disk quotas, potentially leading to resource exhaustion and system instability.

Technical Details of CVE-2017-4969

This section provides detailed technical information about the vulnerability.

Vulnerability Description

Developers authenticated in Cloud Foundry Cloud Controller cf-release versions prior to v255 can exceed memory and disk quotas for tasks.

Affected Systems and Versions

Product: Cloud Foundry Cloud Controller cf-release versions prior to v255
Vendor: n/a

Exploitation Mechanism

The vulnerability allows authenticated users to bypass memory and disk quotas, potentially causing resource misuse and system instability.

Mitigation and Prevention

Protecting systems from CVE-2017-4969 requires immediate actions and long-term security practices.

Immediate Steps to Take

Upgrade to version v255 or higher of Cloud Foundry Cloud Controller.
Monitor resource usage to detect any abnormal behavior.

Long-Term Security Practices

Implement strict access controls to limit user privileges.
Regularly review and update resource quotas to align with actual usage.

Patching and Updates

Apply patches and updates provided by Cloud Foundry to address the vulnerability.