PT-2018-17024 · F5 · Big-Ip

Published 2018-07-25 · Updated 2018-09-18 · CVE-2018-5530

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions F5 BIG-IP versions 11.6.0 through 11.6.3.1 F5 BIG-IP versions 12.1.0 through 12.1.3.5 F5 BIG-IP versions 13.0.0 through 13.1.0.5

Description The issue affects virtual servers with HTTP/2 profiles enabled, making them susceptible to an "HPACK Bomb".

Recommendations For versions 11.6.0 through 11.6.3.1, disable HTTP/2 profiles to prevent exploitation. For versions 12.1.0 through 12.1.3.5, disable HTTP/2 profiles to prevent exploitation. For versions 13.0.0 through 13.1.0.5, disable HTTP/2 profiles to prevent exploitation.

Fix

Resource Exhaustion

Weakness Enumeration

CWE-400

Related Identifiers

CVE-2018-5530

Affected Products

Big-Ip

References · 4

• https://support.f5.com/csp/article/K45611803 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2018-5530 · Security Note
• https://osv.dev/vulnerability/CVE-2018-5530 · Vendor Advisory
• http://securityfocus.com/bid/104908 · Note