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CVE-2018-5504

UnknownEPSS 4.53%

Last modified

CVE-2018-5504 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 4.53% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability
4.53%

90.3th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersions
F5Big-Ip Access Policy Manager>= 12.1.0, < 12.1.3.2
F5Big-Ip Access Policy Manager>= 13.0.0, < 13.1.0.4
F5Big-Ip Advanced Firewall Manager>= 12.1.0, <= 12.1.3.2
F5Big-Ip Advanced Firewall Manager>= 13.0.0, < 13.1.0.4
F5Big-Ip Analytics>= 12.1.0, < 12.1.3.2
F5Big-Ip Analytics>= 13.0.0, < 13.1.0.4
F5Big-Ip Application Acceleration Manager>= 12.1.0, < 12.1.3.2
F5Big-Ip Application Acceleration Manager>= 13.0.0, < 13.1.0.4
F5Big-Ip Application Security Manager>= 12.1.0, < 12.1.3.2
F5Big-Ip Application Security Manager>= 13.0.0, < 13.1.0.4
F5Big-Ip Domain Name System>= 12.1.0, < 12.1.3.2
F5Big-Ip Domain Name System>= 13.0.0, <= 13.1.0.4
F5Big-Ip Edge Gateway>= 12.1.0, < 12.1.3.2
F5Big-Ip Edge Gateway>= 13.0.0, < 13.1.0.4
F5Big-Ip Global Traffic Manager>= 12.1.0, < 12.1.3.2
F5Big-Ip Global Traffic Manager>= 13.0.0, < 13.1.0.4
F5Big-Ip Link Controller>= 12.1.0, < 12.1.3.2
F5Big-Ip Link Controller>= 13.0.0, < 13.1.0.4
F5Big-Ip Local Traffic Manager>= 12.1.0, < 12.1.3.2
F5Big-Ip Local Traffic Manager>= 13.0.0, < 13.1.0.4
F5Big-Ip Policy Enforcement Manager>= 12.1.0, < 12.1.3.2
F5Big-Ip Policy Enforcement Manager>= 13.0.0, < 13.1.0.4
F5Big-Ip Webaccelerator>= 12.1.0, < 12.1.3.2
F5Big-Ip Webaccelerator>= 13.0.0, < 13.1.0.4
F5Big-Ip Websafe1.0.0

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is 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 (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.
How severe is CVE-2018-5504?
Severity scoring for CVE-2018-5504 is pending analysis. The EPSS model estimates a 4.53% probability of exploitation in the next 30 days.
How do I fix CVE-2018-5504?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST