CVE-2017-6159 — MEDIUM (5.9)

Vulnerability Description

F5 BIG-IP LTM, AAM, AFM, Analytics, APM, ASM, DNS, GTM, Link Controller, PEM, Websafe software version 12.0.0 to 12.1.2, 11.6.0 to 11.6.1 are vulnerable to a denial of service attack when the MPTCP option is enabled on a virtual server. Data plane is vulnerable when using the MPTCP option of a TCP profile. There is no control plane exposure. An attacker may be able to disrupt services by causing TMM to restart hence temporarily failing to process traffic.

CVSS Score

5.9

MEDIUM

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
F5	Big-Ip Local Traffic Manager	11.6.0
F5	Big-Ip Application Acceleration Manager	11.6.0
F5	Big-Ip Advanced Firewall Manager	11.6.0
F5	Big-Ip Access Policy Manager	11.6.0
F5	Big-Ip Application Security Manager	11.6.0
F5	Big-Ip Link Controller	11.6.0
F5	Big-Ip Policy Enforcement Manager	11.6.0
F5	Big-Ip Websafe	1.0.0

References

http://www.securityfocus.com/bid/101633Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1039669Third Party AdvisoryVDB Entry
https://support.f5.com/csp/article/K10002335Vendor Advisory
http://www.securityfocus.com/bid/101633Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1039669Third Party AdvisoryVDB Entry
https://support.f5.com/csp/article/K10002335Vendor Advisory

FAQ

What is CVE-2017-6159?

CVE-2017-6159 is a vulnerability with a CVSS score of 5.9 (MEDIUM). F5 BIG-IP LTM, AAM, AFM, Analytics, APM, ASM, DNS, GTM, Link Controller, PEM, Websafe software version 12.0.0 to 12.1.2, 11.6.0 to 11.6.1 are vulnerable to a denial of service attack when the MPTCP op...

How severe is CVE-2017-6159?

CVE-2017-6159 has been rated MEDIUM with a CVSS base score of 5.9/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2017-6159?

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