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HIGH · 8.1

CVE-2018-5504

In some circumstances, the Traffic Management Microkernel (TMM) does not properly handle certain malformed Websockets requests/responses, which allows remote attackers to cause a denial-of-service (Do...

Vulnerability Description

In some circumstances, the Traffic Management Microkernel (TMM) does not properly handle certain malformed Websockets requests/responses, which allows remote attackers to cause a denial-of-service (DoS) or possible remote code execution on the F5 BIG-IP system running versions 13.0.0 - 13.1.0.3 or 12.1.0 - 12.1.3.1.

CVSS Score

8.1

HIGH

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

Affected Products

VendorProductVersions
F5Big-Ip Access Policy Manager>= 12.1.0, < 12.1.3.2
F5Big-Ip Advanced Firewall Manager>= 12.1.0, <= 12.1.3.2
F5Big-Ip Analytics>= 12.1.0, < 12.1.3.2
F5Big-Ip Application Acceleration Manager>= 12.1.0, < 12.1.3.2
F5Big-Ip Application Security Manager>= 12.1.0, < 12.1.3.2
F5Big-Ip Domain Name System>= 12.1.0, < 12.1.3.2
F5Big-Ip Edge Gateway>= 12.1.0, < 12.1.3.2
F5Big-Ip Global Traffic Manager>= 12.1.0, < 12.1.3.2
F5Big-Ip Link Controller>= 12.1.0, < 12.1.3.2
F5Big-Ip Local Traffic Manager>= 12.1.0, < 12.1.3.2
F5Big-Ip Policy Enforcement Manager>= 12.1.0, < 12.1.3.2
F5Big-Ip Webaccelerator>= 12.1.0, < 12.1.3.2
F5Big-Ip Websafe1.0.0

References

FAQ

What is CVE-2018-5504?

CVE-2018-5504 is a vulnerability with a CVSS score of 8.1 (HIGH). In some circumstances, the Traffic Management Microkernel (TMM) does not properly handle certain malformed Websockets requests/responses, which allows remote attackers to cause a denial-of-service (Do...

How severe is CVE-2018-5504?

CVE-2018-5504 has been rated HIGH with a CVSS base score of 8.1/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2018-5504?

Check the references section above for vendor advisories and patch information. Affected products include: F5 Big-Ip Access Policy Manager, F5 Big-Ip Advanced Firewall Manager, F5 Big-Ip Analytics, F5 Big-Ip Application Acceleration Manager, F5 Big-Ip Application Security Manager.