CVE-2018-5532

Description

On F5 BIG-IP 13.0.0, 12.1.0-12.1.2, 11.6.0-11.6.3.1, or 11.2.1-11.5.6 a domain name cached within the DNS Cache of TMM may continue to be resolved by the cache even after the parent server revokes the record, if the DNS Cache is receiving a stream of requests for the cached name.

5.3

CVSS

Severity: Medium

CVSS 3.0 •

CVSS 2.0 •

EPSS 0.39%

Vendor Advisory f5.com

Affected: F5 Networks, Inc. BIG-IP (LTM, AAM, AFM, Analytics, APM, ASM, DNS, Edge Gateway, FPS, GTM, Link Controller, PEM, WebAccelerator)

References

Link	Tags
http://www.securitytracker.com/id/1041345	third party advisory vdb entry
https://support.f5.com/csp/article/K48224824	vendor advisory

Frequently Asked Questions

What is the severity of CVE-2018-5532?: CVE-2018-5532 has been scored as a medium severity vulnerability.
How to fix CVE-2018-5532?: To fix CVE-2018-5532, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2018-5532 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2018-5532 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2018-5532?: CVE-2018-5532 affects F5 Networks, Inc. BIG-IP (LTM, AAM, AFM, Analytics, APM, ASM, DNS, Edge Gateway, FPS, GTM, Link Controller, PEM, WebAccelerator).

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