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HIGH · 7.5

CVE-2019-6611

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 ...

Vulnerability 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.

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH

Affected Products

VendorProductVersions
F5Big-Ip Access Policy Manager>= 11.5.2, < 11.5.9
F5Big-Ip Advanced Firewall Manager>= 11.5.2, < 11.5.9
F5Big-Ip Application Acceleration Manager>= 11.5.2, < 11.5.9
F5Big-Ip Link Controller>= 11.5.2, < 11.5.9
F5Big-Ip Policy Enforcement Manager>= 11.5.2, < 11.5.9
F5Big-Ip Webaccelerator>= 11.5.2, < 11.5.9
F5Big-Ip Application Security Manager>= 11.5.2, < 11.5.9
F5Big-Ip Local Traffic Manager>= 11.5.2, < 11.5.9
F5Big-Ip Fraud Protection Service>= 11.5.2, < 11.5.9
F5Big-Ip Global Traffic Manager>= 11.5.2, < 11.5.9
F5Big-Ip Analytics>= 11.5.2, < 11.5.9
F5Big-Ip Edge Gateway>= 11.5.2, < 11.5.9
F5Big-Ip Domain Name System>= 11.5.2, < 11.5.9

References

FAQ

What is CVE-2019-6611?

CVE-2019-6611 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 ...

How severe is CVE-2019-6611?

CVE-2019-6611 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2019-6611?

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 Application Acceleration Manager, F5 Big-Ip Link Controller, F5 Big-Ip Policy Enforcement Manager.