Vulnerability Description
On BIG-IP 11.5.1-11.6.3.2, 12.1.3.4-12.1.3.7, 13.0.0 HF1-13.1.1.1, and 14.0.0-14.0.0.2, Multi-Path TCP (MPTCP) does not protect against multiple zero length DATA_FINs in the reassembly queue, which can lead to an infinite loop in some circumstances.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| F5 | Big-Ip Access Policy Manager | >= 11.5.3, <= 11.6.3.2 |
| F5 | Big-Ip Local Traffic Manager | >= 11.5.1, <= 11.6.3.2 |
| F5 | Big-Ip Advanced Firewall Manager | >= 11.5.1, <= 11.6.3.2 |
| F5 | Big-Ip Analytics | >= 11.5.1, <= 11.6.3.2 |
| F5 | Big-Ip Application Security Manager | >= 11.5.1, <= 11.6.3.2 |
| F5 | Big-Ip Domain Name System | >= 11.5.1, <= 11.6.3.2 |
| F5 | Big-Ip Edge Gateway | >= 11.5.1, <= 11.6.3.2 |
| F5 | Big-Ip Fraud Protection Service | >= 11.5.1, <= 11.6.3.2 |
| F5 | Big-Ip Global Traffic Manager | >= 11.5.1, <= 11.6.3.2 |
| F5 | Big-Ip Link Controller | >= 11.5.1, <= 11.6.3.2 |
| F5 | Big-Ip Policy Enforcement Manager | >= 11.5.1, <= 11.6.3.2 |
| F5 | Big-Ip Webaccelerator | >= 11.5.1, <= 11.6.3.2 |
Related Weaknesses (CWE)
References
- https://support.f5.com/csp/article/K91026261Vendor Advisory
- https://support.f5.com/csp/article/K91026261Vendor Advisory
FAQ
What is CVE-2019-6594?
CVE-2019-6594 is a vulnerability with a CVSS score of 5.9 (MEDIUM). On BIG-IP 11.5.1-11.6.3.2, 12.1.3.4-12.1.3.7, 13.0.0 HF1-13.1.1.1, and 14.0.0-14.0.0.2, Multi-Path TCP (MPTCP) does not protect against multiple zero length DATA_FINs in the reassembly queue, which ca...
How severe is CVE-2019-6594?
CVE-2019-6594 has been rated MEDIUM with a CVSS base score of 5.9/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2019-6594?
Check the references section above for vendor advisories and patch information. Affected products include: F5 Big-Ip Access Policy Manager, F5 Big-Ip Local Traffic Manager, F5 Big-Ip Advanced Firewall Manager, F5 Big-Ip Analytics, F5 Big-Ip Application Security Manager.