MEDIUM · 5.9

CVE-2019-6594

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...

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

5.9

MEDIUM

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH

Affected Products

VendorProductVersions
F5Big-Ip Access Policy Manager>= 11.5.3, <= 11.6.3.2
F5Big-Ip Local Traffic Manager>= 11.5.1, <= 11.6.3.2
F5Big-Ip Advanced Firewall Manager>= 11.5.1, <= 11.6.3.2
F5Big-Ip Analytics>= 11.5.1, <= 11.6.3.2
F5Big-Ip Application Security Manager>= 11.5.1, <= 11.6.3.2
F5Big-Ip Domain Name System>= 11.5.1, <= 11.6.3.2
F5Big-Ip Edge Gateway>= 11.5.1, <= 11.6.3.2
F5Big-Ip Fraud Protection Service>= 11.5.1, <= 11.6.3.2
F5Big-Ip Global Traffic Manager>= 11.5.1, <= 11.6.3.2
F5Big-Ip Link Controller>= 11.5.1, <= 11.6.3.2
F5Big-Ip Policy Enforcement Manager>= 11.5.1, <= 11.6.3.2
F5Big-Ip Webaccelerator>= 11.5.1, <= 11.6.3.2

Related Weaknesses (CWE)

References

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.