Strix
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CVE-2016-6876

UnknownEPSS 1.58%

Last modified

CVE-2016-6876 is a vulnerability of currently unknown severity. The RESOLV::lookup iRule command in F5 BIG-IP LTM, APM, ASM, and Link Controller 10.2.1 through 10.2.4, 11.2.1, 11.4.x, 11.5.x before 11.5.4 HF2, 11.6.x before 11.6.1, and 12.0.0 before HF3; BIG-IP AAM, AFM, and PEM 11.4.x, 11.5.x before 11.5.4 HF2, 11.6.x before 11.6.1, and 12.0.0 before HF3; BIG-IP Analytics 11.2.1, 11.4.x, 11.5.x before 11.5.4 HF2, 11.6.x before 11.6.1, and 12.0.0 before HF3; BIG-IP DNS 12.0.0 before HF3; BIG-IP Edge Gateway, WebAccelerator, and WOM 10.2.1 through 10.2.4 and 11.2.1; BIG-IP GTM 10.2.1 through 10.2.4, 11.2.1, 11.4.x, 11.5.x before 11.5.4 HF2, and 11.6.x before 11.6.1; and BIG-IP PSM 10.2.1 through 10.2.4 and 11.4.0 through 11.4.1 allows remote DNS servers to cause a denial of service (CPU consumption or Traffic Management Microkernel crash) via a crafted PTR response.. EPSS estimates a 1.58% chance of exploitation in the next 30 days.

Description

The RESOLV::lookup iRule command in F5 BIG-IP LTM, APM, ASM, and Link Controller 10.2.1 through 10.2.4, 11.2.1, 11.4.x, 11.5.x before 11.5.4 HF2, 11.6.x before 11.6.1, and 12.0.0 before HF3; BIG-IP AAM, AFM, and PEM 11.4.x, 11.5.x before 11.5.4 HF2, 11.6.x before 11.6.1, and 12.0.0 before HF3; BIG-IP Analytics 11.2.1, 11.4.x, 11.5.x before 11.5.4 HF2, 11.6.x before 11.6.1, and 12.0.0 before HF3; BIG-IP DNS 12.0.0 before HF3; BIG-IP Edge Gateway, WebAccelerator, and WOM 10.2.1 through 10.2.4 and 11.2.1; BIG-IP GTM 10.2.1 through 10.2.4, 11.2.1, 11.4.x, 11.5.x before 11.5.4 HF2, and 11.6.x before 11.6.1; and BIG-IP PSM 10.2.1 through 10.2.4 and 11.4.0 through 11.4.1 allows remote DNS servers to cause a denial of service (CPU consumption or Traffic Management Microkernel crash) via a crafted PTR response.

Metrics

EPSS Probability
1.58%

72.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
F5Big-Ip Local Traffic Manager10.2.1
F5Big-Ip Local Traffic Manager10.2.2
F5Big-Ip Local Traffic Manager10.2.3
F5Big-Ip Local Traffic Manager10.2.4
F5Big-Ip Local Traffic Manager11.2.1
F5Big-Ip Local Traffic Manager11.4.0
F5Big-Ip Local Traffic Manager11.4.1
F5Big-Ip Local Traffic Manager11.5.0
F5Big-Ip Local Traffic Manager11.5.1
F5Big-Ip Local Traffic Manager11.5.2
F5Big-Ip Local Traffic Manager11.5.3
F5Big-Ip Local Traffic Manager11.5.4
F5Big-Ip Local Traffic Manager11.6.0
F5Big-Ip Local Traffic Manager12.0.0
F5Big-Ip Webaccelerator10.2.1
F5Big-Ip Webaccelerator10.2.2
F5Big-Ip Webaccelerator10.2.3
F5Big-Ip Webaccelerator10.2.4
F5Big-Ip Webaccelerator11.2.1
F5Big-Ip Application Acceleration Manager11.4.0
F5Big-Ip Application Acceleration Manager11.4.1
F5Big-Ip Application Acceleration Manager11.5.0
F5Big-Ip Application Acceleration Manager11.5.1
F5Big-Ip Application Acceleration Manager11.5.2
F5Big-Ip Application Acceleration Manager11.5.3
F5Big-Ip Application Acceleration Manager11.5.4
F5Big-Ip Application Acceleration Manager11.6.0
F5Big-Ip Application Acceleration Manager12.0.0
F5Big-Ip Global Traffic Manager10.2.1
F5Big-Ip Global Traffic Manager10.2.2
F5Big-Ip Global Traffic Manager10.2.3
F5Big-Ip Global Traffic Manager10.2.4
F5Big-Ip Global Traffic Manager11.2.1
F5Big-Ip Global Traffic Manager11.4.0
F5Big-Ip Global Traffic Manager11.4.1
F5Big-Ip Global Traffic Manager11.5.0
F5Big-Ip Global Traffic Manager11.5.1
F5Big-Ip Global Traffic Manager11.5.2
F5Big-Ip Global Traffic Manager11.5.3
F5Big-Ip Global Traffic Manager11.5.4
F5Big-Ip Global Traffic Manager11.6.0
F5Big-Ip Link Controller10.2.1
F5Big-Ip Link Controller10.2.2
F5Big-Ip Link Controller10.2.3
F5Big-Ip Link Controller10.2.4
F5Big-Ip Link Controller11.2.1
F5Big-Ip Link Controller11.4.0
F5Big-Ip Link Controller11.4.1
F5Big-Ip Link Controller11.5.0
F5Big-Ip Link Controller11.5.1

Showing 50 of 128 affected configurations. See NVD for the full list.

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2016-6876?
The RESOLV::lookup iRule command in F5 BIG-IP LTM, APM, ASM, and Link Controller 10.2.1 through 10.2.4, 11.2.1, 11.4.x, 11.5.x before 11.5.4 HF2, 11.6.x before 11.6.1, and 12.0.0 before HF3; BIG-IP AAM, AFM, and PEM 11.4.x, 11.5.x before 11.5.4 HF2, 11.6.x before 11.6.1, and 12.0.0 before HF3; BIG-IP Analytics 11.2.1, 11.4.x, 11.5.x before 11.5.4 HF2, 11.6.x before 11.6.1, and 12.0.0 before HF3; BIG-IP DNS 12.0.0 before HF3; BIG-IP Edge Gateway, WebAccelerator, and WOM 10.2.1 through 10.2.4 and 11.2.1; BIG-IP GTM 10.2.1 through 10.2.4, 11.2.1, 11.4.x, 11.5.x before 11.5.4 HF2, and 11.6.x before 11.6.1; and BIG-IP PSM 10.2.1 through 10.2.4 and 11.4.0 through 11.4.1 allows remote DNS servers to cause a denial of service (CPU consumption or Traffic Management Microkernel crash) via a crafted PTR response.
How severe is CVE-2016-6876?
Severity scoring for CVE-2016-6876 is pending analysis. The EPSS model estimates a 1.58% probability of exploitation in the next 30 days.
How do I fix CVE-2016-6876?
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.

Are you affected by CVE-2016-6876?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST