CVE-2019-6617 : Vulnerability Insights and Analysis

A vulnerability in F5 BIG-IP versions 11.5.2-14.1.0.1 allows a user with the Resource Administrator role to modify sensitive files through SFTP, leading to privilege escalation.

Understanding CVE-2019-6617

This CVE involves privilege escalation on F5 BIG-IP devices.

What is CVE-2019-6617?

In versions 11.5.2-14.1.0.1 of F5 BIG-IP, a user with the Resource Administrator role can alter critical files via SFTP, bypassing defined restrictions.

The Impact of CVE-2019-6617

This vulnerability enables unauthorized users to elevate their privileges on affected F5 BIG-IP devices.

Technical Details of CVE-2019-6617

This section delves into the technical aspects of the CVE.

Vulnerability Description

Users with the Resource Administrator role can manipulate sensitive files using SFTP, contrary to role restrictions.

Affected Systems and Versions

BIG-IP versions 11.5.2-14.1.0.1

Exploitation Mechanism

Unauthorized users exploit SFTP to modify critical files and escalate privileges.

Mitigation and Prevention

Protect your systems from CVE-2019-6617 with these strategies.

Immediate Steps to Take

Apply vendor patches promptly.
Restrict access to critical files and directories.
Monitor user activities for suspicious behavior.

Long-Term Security Practices

Regularly update and patch F5 BIG-IP devices.
Implement the principle of least privilege for user roles.
Conduct security training for system administrators.

Patching and Updates

Install the latest F5 patches to mitigate the vulnerability.