high
7.5
CWE
400
Advisory Published
Updated

CVE-2018-5530

First published: Wed Jul 25 2018(Updated: )

F5 BIG-IP 13.0.0-13.1.0.5, 12.1.0-12.1.3.5, or 11.6.0-11.6.3.1 virtual servers with HTTP/2 profiles enabled are vulnerable to "HPACK Bomb".

Credit: f5sirt@f5.com

Affected SoftwareAffected VersionHow to fix
F5 Big-ip Local Traffic Manager>=11.6.0<=11.6.3.1
F5 Big-ip Local Traffic Manager>=12.1.0<=12.1.3.5
F5 Big-ip Local Traffic Manager>=13.0.0<=13.1.0.5
F5 Big-ip Application Acceleration Manager>=11.6.0<=11.6.3.1
F5 Big-ip Application Acceleration Manager>=12.1.0<=12.1.3.5
F5 Big-ip Application Acceleration Manager>=13.0.0<=13.1.0.5
F5 BIG-IP Advanced Firewall Manager>=11.6.0<=11.6.3.1
F5 BIG-IP Advanced Firewall Manager>=12.1.0<=12.1.3.5
F5 BIG-IP Advanced Firewall Manager>=13.0.0<=13.1.0.5
F5 BIG-IP Analytics>=11.6.0<=11.6.3.1
F5 BIG-IP Analytics>=12.1.0<=12.1.3.5
F5 BIG-IP Analytics>=13.0.0<=13.1.0.5
F5 BIG-IP Access Policy Manager>=11.6.0<=11.6.3.1
F5 BIG-IP Access Policy Manager>=12.1.0<=12.1.3.5
F5 BIG-IP Access Policy Manager>=13.0.0<=13.1.0.5
F5 BIG-IP Application Security Manager>=11.6.0<=11.6.3.1
F5 BIG-IP Application Security Manager>=12.1.0<=12.1.3.5
F5 BIG-IP Application Security Manager>=13.0.0<=13.1.0.5
F5 Big-ip Edge Gateway>=11.6.0<=11.6.3.1
F5 Big-ip Edge Gateway>=12.1.0<=12.1.3.5
F5 Big-ip Edge Gateway>=13.0.0<=13.1.0.5
F5 Big-ip Policy Enforcement Manager>=11.6.0<=11.6.3.1
F5 Big-ip Policy Enforcement Manager>=12.1.0<=12.1.3.5
F5 Big-ip Policy Enforcement Manager>=13.0.0<=13.1.0.5
F5 Big-ip Websafe>=11.6.0<=11.6.3.1
F5 Big-ip Websafe>=12.1.0<=12.1.3.5
F5 Big-ip Websafe>=13.0.0<=13.1.0.5

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Reference Links

Frequently Asked Questions

  • What is CVE-2018-5530?

    CVE-2018-5530 is a vulnerability in F5 BIG-IP virtual servers with HTTP/2 profiles enabled called "HPACK Bomb".

  • Which versions of F5 BIG-IP are affected by CVE-2018-5530?

    F5 BIG-IP versions 13.0.0-13.1.0.5, 12.1.0-12.1.3.5, and 11.6.0-11.6.3.1 are affected.

  • How severe is CVE-2018-5530?

    CVE-2018-5530 has a severity score of 7.5 (high).

  • How does the "HPACK Bomb" vulnerability affect F5 BIG-IP?

    The "HPACK Bomb" vulnerability affects F5 BIG-IP virtual servers with HTTP/2 profiles enabled, allowing an attacker to send specially crafted packets that can cause excessive CPU usage and potentially lead to a denial of service.

  • How can I fix CVE-2018-5530?

    To fix CVE-2018-5530, upgrade your F5 BIG-IP software to a version that is not vulnerable.

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