high
7.5
CWE
20
Advisory Published
Updated

CVE-2018-5514: Input Validation

First published: Mon Apr 30 2018(Updated: )

On F5 BIG-IP 13.1.0-13.1.0.5, maliciously crafted HTTP/2 request frames can lead to denial of service. There is data plane exposure for virtual servers when the HTTP2 profile is enabled. There is no control plane exposure to this issue.

Credit: f5sirt@f5.com

Affected SoftwareAffected VersionHow to fix
f5 big-ip local traffic manager>=13.1.0<=13.1.0.5
f5 big-ip application acceleration manager>=13.1.0<=13.1.0.5
F5 BIG-IP Advanced Firewall Manager>=13.1.0<=13.1.0.5
F5 BIG-IP Analytics>=13.1.0<=13.1.0.5
F5 BIG-IP Access Policy Manager>=13.1.0<=13.1.0.5
F5 BIG-IP Application Security Manager>=13.1.0<=13.1.0.5
f5 big-ip edge gateway>=13.1.0<=13.1.0.5
f5 big-ip global traffic manager>=13.1.0<=13.1.0.5
f5 big-ip link controller>=13.1.0<=13.1.0.5
f5 big-ip policy enforcement manager>=13.1.0<=13.1.0.5
f5 big-ip webaccelerator>=13.1.0<=13.1.0.5
F5 Big-ip Websafe>=13.1.0<=13.1.0.5
f5 big-ip domain name system>=13.1.0<=13.1.0.5

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Reference Links

Frequently Asked Questions

  • What is CVE-2018-5514?

    CVE-2018-5514 is a vulnerability in F5 BIG-IP 13.1.0-13.1.0.5 that allows a denial of service attack through maliciously crafted HTTP/2 request frames.

  • What is the severity of CVE-2018-5514?

    The severity of CVE-2018-5514 is high with a CVSS score of 7.5.

  • Which products are affected by CVE-2018-5514?

    F5 Big-ip Local Traffic Manager, F5 Big-ip Application Acceleration Manager, F5 BIG-IP Advanced Firewall Manager, F5 BIG-IP Analytics, F5 BIG-IP Access Policy Manager, F5 BIG-IP Application Security Manager, F5 Big-ip Edge Gateway, F5 Big-ip Global Traffic Manager, F5 Big-ip Link Controller, F5 Big-ip Policy Enforcement Manager, F5 Big-ip Webaccelerator, F5 Big-ip Websafe, and F5 Big-ip Domain Name System are affected by CVE-2018-5514.

  • What is the exposure for virtual servers when the HTTP2 profile is enabled?

    There is data plane exposure for virtual servers when the HTTP2 profile is enabled.

  • Is there control plane exposure to the CVE-2018-5514 vulnerability?

    No, there is no control plane exposure to the CVE-2018-5514 vulnerability.

  • How can I fix CVE-2018-5514?

    To fix CVE-2018-5514, update F5 BIG-IP to version 13.1.0.6 or later.

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