CVE-2019-6613 : Security Advisory and Response
Learn about CVE-2019-6613 affecting F5 BIG-IP versions 13.0.0-13.1.1.4, 12.1.0-12.1.4, 11.6.1-11.6.3.4, and 11.5.2-11.5.8. Discover the impact, affected systems, exploitation mechanism, and mitigation steps.
A vulnerability has been identified in F5 BIG-IP versions 13.0.0-13.1.1.4, 12.1.0-12.1.4, 11.6.1-11.6.3.4, and 11.5.2-11.5.8 that could potentially lead to information leakage through SNMP.
Understanding CVE-2019-6613
This CVE involves the exposure of sensitive configuration objects over insecure transmission channels when utilizing SNMPv2 with passphrases on various profile types.
What is CVE-2019-6613?
The vulnerability in F5 BIG-IP allows SNMP to disclose confidential configuration objects through unsecured communication channels, potentially leading to information leakage.
The Impact of CVE-2019-6613
The vulnerability could result in unauthorized access to sensitive information, compromising the confidentiality of configuration objects within affected systems.
Technical Details of CVE-2019-6613
This section provides detailed technical insights into the CVE.
Vulnerability Description
The vulnerability in F5 BIG-IP versions 13.0.0-13.1.1.4, 12.1.0-12.1.4, 11.6.1-11.6.3.4, and 11.5.2-11.5.8 allows SNMP to expose confidential configuration objects over insecure channels.
Affected Systems and Versions
- BIG-IP (LTM, AAM, AFM, Analytics, APM, ASM, DNS, Edge Gateway, FPS, GTM, Link Controller, PEM, WebAccelerator)
- Versions: 13.0.0-13.1.1.4, 12.1.0-12.1.4, 11.6.1-11.6.3.4, 11.5.2-11.5.8
Exploitation Mechanism
The issue arises when SNMP is used with passphrases across different profile types and accessed via SNMPv2, potentially leading to the exposure of sensitive data.
Mitigation and Prevention
Protect your systems from the CVE-2019-6613 vulnerability with the following steps:
Immediate Steps to Take
- Disable SNMP if not required
- Implement SNMPv3 with encryption and strong authentication
- Apply vendor-supplied patches or updates
Long-Term Security Practices
- Regularly monitor SNMP activity for anomalies
- Conduct security assessments to identify and address vulnerabilities
- Keep systems up to date with the latest security patches
Patching and Updates
Ensure timely installation of patches and updates provided by F5 to address the SNMP information leakage vulnerability.