high
7.5
CWE
20
Advisory Published
Updated

CVE-2018-5517: Input Validation

First published: Wed May 02 2018(Updated: )

On F5 BIG-IP 13.1.0-13.1.0.5, malformed TCP packets sent to a self IP address or a FastL4 virtual server may cause an interruption of service. The control plane is not exposed to this issue. This issue impacts the data plane virtual servers and self IPs.

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 the severity of CVE-2018-5517?

    The severity of CVE-2018-5517 is high with a severity value of 7.5.

  • Which software versions are affected by CVE-2018-5517?

    F5 BIG-IP versions 13.1.0 through 13.1.0.5 are affected by CVE-2018-5517.

  • What is the impact of CVE-2018-5517?

    CVE-2018-5517 may cause an interruption of service for data plane virtual servers and self IPs on F5 BIG-IP.

  • How can I fix CVE-2018-5517?

    Updating to a version beyond 13.1.0.5 will fix CVE-2018-5517 on F5 BIG-IP.

  • Where can I find more information about CVE-2018-5517?

    You can find more information about CVE-2018-5517 on the following references: http://www.securitytracker.com/id/1040805, https://support.f5.com/csp/article/K25573437.

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