CVE-2019-6685 : What You Need to Know
Learn about CVE-2019-6685 affecting F5 BIG-IP versions 11.5.2-15.0.1.1. Users with iRules editing access are at risk of privilege escalation and system command execution. Find mitigation steps here.
Users with iRules editing capabilities on F5 BIG-IP versions 11.5.2-15.0.1.1 are at risk of privilege escalation, configuration changes, and system command execution.
Understanding CVE-2019-6685
This CVE affects F5 BIG-IP versions, allowing users to create malicious iRules leading to potential security breaches.
What is CVE-2019-6685?
Users with iRules editing permissions on specific F5 BIG-IP versions can exploit this vulnerability to gain elevated privileges and execute arbitrary system commands.
The Impact of CVE-2019-6685
The vulnerability enables unauthorized users to manipulate configurations, potentially compromising the integrity and security of the system.
Technical Details of CVE-2019-6685
This section provides in-depth technical insights into the CVE-2019-6685 vulnerability.
Vulnerability Description
Users with iRules editing capabilities on affected F5 BIG-IP versions can create iRules that may result in privilege escalation, configuration alterations, and execution of arbitrary system commands.
Affected Systems and Versions
- F5 BIG-IP versions 15.0.0-15.0.1.1
- F5 BIG-IP versions 14.1.0-14.1.2.2
- F5 BIG-IP versions 14.0.0-14.0.1
- F5 BIG-IP versions 13.1.0-13.1.3.1
- F5 BIG-IP versions 12.1.0-12.1.5
- F5 BIG-IP versions 11.5.2-11.6.5.1
Exploitation Mechanism
Users with access to edit iRules on the mentioned F5 BIG-IP versions can craft malicious iRules that exploit the system, leading to privilege escalation and unauthorized command execution.
Mitigation and Prevention
Protect your systems from CVE-2019-6685 with these mitigation strategies.
Immediate Steps to Take
- Restrict iRules editing permissions to trusted users only.
- Monitor iRules for suspicious activities regularly.
- Apply the latest security patches provided by F5.
Long-Term Security Practices
- Implement the principle of least privilege for user access.
- Conduct regular security audits and assessments to identify vulnerabilities.
- Educate users on secure iRules development practices.
Patching and Updates
Ensure your F5 BIG-IP systems are up to date with the latest patches and security updates to mitigate the CVE-2019-6685 vulnerability.