PT-2018-17000 · F5+1 · F5 Big-Ip+1

Published 2018-04-13 · Updated 2019-10-03 · CVE-2018-5506

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions F5 BIG-IP versions 11.2.1 F5 BIG-IP versions 11.5.1 through 11.5.5 F5 BIG-IP versions 11.6.1 F5 BIG-IP versions 12.1.0 through 12.1.2 F5 BIG-IP version 13.0.0

Description The issue allows possible unauthenticated bruteforce on the em server ip authorization parameter to obtain SSL client certificates used for mutual authentication between BIG-IQ or Enterprise Manager (EM) and managed BIG-IP devices. This is due to the Apache modules apache auth token mod and mod auth f5 auth token.cpp.

Recommendations For F5 BIG-IP version 11.2.1, update to a fixed version to prevent unauthenticated bruteforce attacks. For F5 BIG-IP versions 11.5.1 through 11.5.5, update to a fixed version to prevent unauthenticated bruteforce attacks. For F5 BIG-IP version 11.6.1, update to a fixed version to prevent unauthenticated bruteforce attacks. For F5 BIG-IP versions 12.1.0 through 12.1.2, update to a fixed version to prevent unauthenticated bruteforce attacks. For F5 BIG-IP version 13.0.0, update to a fixed version to prevent unauthenticated bruteforce attacks.

Fix

Related Identifiers

CVE-2018-5506

Affected Products

Apache

F5 Big-Ip

References · 3

• https://osv.dev/vulnerability/CVE-2018-5506 · Vendor Advisory
• https://support.f5.com/csp/article/K65355492 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2018-5506 · Security Note