CVE-2019-6611

Description

When BIG-IP 14.0.0-14.1.0.1, 13.0.0-13.1.1.4, 12.1.0-12.1.4, 11.6.1-11.6.3.4, and 11.5.2-11.5.8 are processing certain rare data sequences occurring in PPTP VPN traffic, the BIG-IP system may execute incorrect logic. The TMM may restart and produce a core file as a result of this condition. The BIG-IP system provisioned with the CGNAT module and configured with a virtual server using a PPTP profile is exposed to this vulnerability.

7.5

CVSS

Severity: High

CVSS 3.1 •

CVSS 2.0 •

EPSS 0.75% Top 30%

Vendor Advisory f5.com

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

References

Link	Tags
https://support.f5.com/csp/article/K47527163	vendor advisory
http://www.securityfocus.com/bid/108187	vdb entry third party advisory

Frequently Asked Questions

What is the severity of CVE-2019-6611?: CVE-2019-6611 has been scored as a high severity vulnerability.
How to fix CVE-2019-6611?: To fix CVE-2019-6611, 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-2019-6611 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2019-6611 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2019-6611?: CVE-2019-6611 affects F5 BIG-IP (LTM, AAM, AFM, Analytics, APM, ASM, DNS, Edge Gateway, FPS, GTM, Link Controller, PEM, WebAccelerator).

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