CVE-2017-7200 : What You Need to Know

OpenStack Glance before Newton is affected by a security vulnerability known as SSRF (Server-Side Request Forgery). This flaw allows attackers to conduct network port scans discreetly.

Understanding CVE-2017-7200

A security vulnerability in OpenStack Glance before Newton enables SSRF attacks, allowing attackers to perform network port scans.

What is CVE-2017-7200?

SSRF vulnerability in OpenStack Glance before Newton version that allows attackers to conduct network port scans through the 'copy_from' function in the Image Service API v1.

The Impact of CVE-2017-7200

Attackers can generate images with URLs like 'http://localhost:22' to gather internal network information.
Scans appear to originate from the Glance Image service, masking the attacker's activities.

Technical Details of CVE-2017-7200

OpenStack Glance SSRF vulnerability details.

Vulnerability Description

SSRF issue in OpenStack Glance before Newton version.
'copy_from' feature in Image Service API v1 allows masked network port scans.

Affected Systems and Versions

OpenStack Glance versions before Newton are vulnerable.

Exploitation Mechanism

Attackers exploit the 'copy_from' function in the Image Service API v1 to conduct network port scans.

Mitigation and Prevention

Protecting against CVE-2017-7200.

Immediate Steps to Take

Update OpenStack Glance to a version beyond Newton to mitigate the SSRF vulnerability.
Implement network security measures to restrict unauthorized access.

Long-Term Security Practices

Regularly monitor and audit network traffic for suspicious activities.
Educate users on the risks of SSRF attacks and best practices for secure image handling.

Patching and Updates

Apply patches and updates provided by OpenStack to address the SSRF vulnerability.