CVE-2017-8048 : Security Advisory and Response

CVE-2017-8048 was published on October 3, 2017, affecting Cloud Foundry capi-release versions 1.33.0 and later, prior to 1.42.0, and cf-release versions 268 and later, prior to 274. The vulnerability allowed a space developer to execute arbitrary code on the Cloud Controller VM by deploying a specially crafted application.

Understanding CVE-2017-8048

This CVE highlights an API regression issue in Cloud Foundry capi-release and cf-release versions, leading to a security vulnerability.

What is CVE-2017-8048?

The vulnerability in versions 1.33.0 and newer of capi-release and versions 268 and newer of cf-release allowed a space developer to run arbitrary code on the Cloud Controller VM.

The Impact of CVE-2017-8048

The vulnerability enabled malicious actors to execute arbitrary code on the Cloud Controller VM, compromising the security and integrity of the system.

Technical Details of CVE-2017-8048

This section provides more in-depth technical insights into the CVE.

Vulnerability Description

The regression in the API, introduced by the fix for CVE-2017-8033, allowed a space developer to deploy a specially crafted application and execute arbitrary code on the Cloud Controller VM.

Affected Systems and Versions

Cloud Controller VM capi-release versions 1.33.0 and later, prior to 1.42.0
cf-release versions 268 and later, prior to 274

Exploitation Mechanism

The vulnerability could be exploited by deploying a specifically crafted application, enabling unauthorized code execution on the Cloud Controller VM.

Mitigation and Prevention

Protecting systems from CVE-2017-8048 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update Cloud Foundry to version 274 or later to mitigate the vulnerability.
Monitor for any suspicious activities on the Cloud Controller VM.

Long-Term Security Practices

Regularly update and patch Cloud Foundry to the latest versions.
Implement strict application deployment policies to prevent the execution of malicious code.

Patching and Updates

Ensure that all systems running Cloud Foundry are regularly patched and updated to the latest secure versions.