CVE-2017-0305 : What You Need to Know

F5 SSL Intercept iApp version 1.5.0 - 1.5.7 has a security vulnerability that allows remote, unauthenticated attackers to make unauthorized changes to the BIG-IP system configuration, access sensitive files, and potentially execute remote commands.

Understanding CVE-2017-0305

This CVE involves a vulnerability in the F5 SSL Intercept iApp version 1.5.0 - 1.5.7.

What is CVE-2017-0305?

The vulnerability in the SSL Intercept iApp version 1.5.0 - 1.5.7 allows remote attackers to exploit the system without authentication, potentially leading to severe consequences.

The Impact of CVE-2017-0305

The exploitation of this vulnerability can result in unauthorized modifications to the BIG-IP system configuration, unauthorized access to critical system files, and potential execution of remote commands on the system.

Technical Details of CVE-2017-0305

This section provides more technical insights into the CVE.

Vulnerability Description

The vulnerability in the SSL Intercept iApp version 1.5.0 - 1.5.7 allows for remote command execution without authentication, posing a significant security risk.

Affected Systems and Versions

Product: SSL Intercept iApp version
Vendor: F5 Networks
Versions Affected: 1.5.0 - 1.5.7

Exploitation Mechanism

The vulnerability is specifically present when the iApp is deployed using the Explicit Proxy feature along with the SNAT Auto Map option for egress traffic.

Mitigation and Prevention

Protecting systems from CVE-2017-0305 is crucial for maintaining security.

Immediate Steps to Take

Disable or restrict access to the affected iApp version 1.5.0 - 1.5.7.
Implement network segmentation to limit exposure.
Monitor network traffic for any suspicious activity.

Long-Term Security Practices

Regularly update and patch F5 devices to address known vulnerabilities.
Conduct security assessments and audits to identify and mitigate risks proactively.

Patching and Updates

Apply patches provided by F5 Networks to fix the vulnerability.