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CVE-2017-6163

UnknownEPSS 1.67%

Last modified

CVE-2017-6163 is a vulnerability of currently unknown severity. In F5 BIG-IP LTM, AAM, AFM, APM, ASM, Link Controller, PEM, PSM software version 12.0.0 to 12.1.2, 11.6.0 to 11.6.1, 11.4.0 to 11.5.4, when a virtual server uses the standard configuration of HTTP/2 or SPDY profile with Client SSL profile, and the client initiates a number of concurrent streams beyond the advertised limit can cause a disruption of service. Remote client initiating stream beyond the advertised limit can cause a disruption of service. EPSS estimates a 1.67% chance of exploitation in the next 30 days.

Description

In F5 BIG-IP LTM, AAM, AFM, APM, ASM, Link Controller, PEM, PSM software version 12.0.0 to 12.1.2, 11.6.0 to 11.6.1, 11.4.0 to 11.5.4, when a virtual server uses the standard configuration of HTTP/2 or SPDY profile with Client SSL profile, and the client initiates a number of concurrent streams beyond the advertised limit can cause a disruption of service. Remote client initiating stream beyond the advertised limit can cause a disruption of service. The Traffic Management Microkernel (TMM) data plane is exposed to this issue; the control plane is not exposed.

Metrics

EPSS Probability
1.67%

73.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
F5Big-Ip Local Traffic Manager>= 11.4.0, <= 11.5.3
F5Big-Ip Local Traffic Manager11.6.0
F5Big-Ip Local Traffic Manager11.6.1
F5Big-Ip Local Traffic Manager12.0.0
F5Big-Ip Local Traffic Manager12.1.0
F5Big-Ip Local Traffic Manager12.1.1
F5Big-Ip Local Traffic Manager12.1.2
F5Big-Ip Application Acceleration Manager>= 11.4.0, <= 11.5.4
F5Big-Ip Application Acceleration Manager11.6.0
F5Big-Ip Application Acceleration Manager11.6.1
F5Big-Ip Application Acceleration Manager12.0.0
F5Big-Ip Application Acceleration Manager12.1.0
F5Big-Ip Application Acceleration Manager12.1.1
F5Big-Ip Application Acceleration Manager12.1.2
F5Big-Ip Advanced Firewall Manager>= 11.4.0, <= 11.5.4
F5Big-Ip Advanced Firewall Manager11.6.0
F5Big-Ip Advanced Firewall Manager11.6.1
F5Big-Ip Advanced Firewall Manager12.0.0
F5Big-Ip Advanced Firewall Manager12.1.0
F5Big-Ip Advanced Firewall Manager12.1.1
F5Big-Ip Advanced Firewall Manager12.1.2
F5Big-Ip Access Policy Manager>= 11.5.0, <= 11.5.4
F5Big-Ip Access Policy Manager11.6.0
F5Big-Ip Access Policy Manager11.6.1
F5Big-Ip Access Policy Manager12.0.0
F5Big-Ip Access Policy Manager12.1.0
F5Big-Ip Access Policy Manager12.1.1
F5Big-Ip Access Policy Manager12.1.2
F5Big-Ip Application Security Manager>= 11.5.0, <= 11.5.4
F5Big-Ip Application Security Manager11.6.0
F5Big-Ip Application Security Manager11.6.1
F5Big-Ip Application Security Manager12.0.0
F5Big-Ip Application Security Manager12.1.0
F5Big-Ip Application Security Manager12.1.1
F5Big-Ip Application Security Manager12.1.2
F5Big-Ip Link Controller>= 11.5.0, <= 11.5.4
F5Big-Ip Link Controller11.6.0
F5Big-Ip Link Controller11.6.1
F5Big-Ip Link Controller12.0.0
F5Big-Ip Link Controller12.1.0
F5Big-Ip Link Controller12.1.1
F5Big-Ip Link Controller12.1.2
F5Big-Ip Policy Enforcement Manager>= 11.5.0, <= 11.5.4
F5Big-Ip Policy Enforcement Manager11.6.0
F5Big-Ip Policy Enforcement Manager11.6.1
F5Big-Ip Policy Enforcement Manager12.0.0
F5Big-Ip Policy Enforcement Manager12.1.0
F5Big-Ip Policy Enforcement Manager12.1.1
F5Big-Ip Policy Enforcement Manager12.1.2
F5Big-Ip Protocol Security Module> 11.4.0, <= 11.5.4

Showing 50 of 56 affected configurations. See NVD for the full list.

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2017-6163?
In F5 BIG-IP LTM, AAM, AFM, APM, ASM, Link Controller, PEM, PSM software version 12.0.0 to 12.1.2, 11.6.0 to 11.6.1, 11.4.0 to 11.5.4, when a virtual server uses the standard configuration of HTTP/2 or SPDY profile with Client SSL profile, and the client initiates a number of concurrent streams beyond the advertised limit can cause a disruption of service. Remote client initiating stream beyond the advertised limit can cause a disruption of service. The Traffic Management Microkernel (TMM) data plane is exposed to this issue; the control plane is not exposed.
How severe is CVE-2017-6163?
Severity scoring for CVE-2017-6163 is pending analysis. The EPSS model estimates a 1.67% probability of exploitation in the next 30 days.
How do I fix CVE-2017-6163?
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