PT-2018-17036 · F5 · F5 Big-Ip

Published 2018-07-25 · Updated 2018-09-17 · CVE-2018-5542

Positive Technologies (AI Summary)

CVSS v3.1

8.1

High

Base vector

AV:N/AC:H/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 through 11.6.3.2 F5 BIG-IP versions 12.1.0 through 12.1.3.6 F5 BIG-IP versions 13.0.0 through 13.0.1

Description The issue concerns HTTPS health monitors not validating the identity of the monitored server.

Recommendations For F5 BIG-IP versions 11.2.1 through 11.6.3.2, update the configuration to properly validate server identities. For F5 BIG-IP versions 12.1.0 through 12.1.3.6, update the configuration to properly validate server identities. For F5 BIG-IP versions 13.0.0 through 13.0.1, update the configuration to properly validate server identities.

Fix

RCE

Weakness Enumeration

CWE-20

Related Identifiers

CVE-2018-5542

Affected Products

F5 Big-Ip

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2018-5542 · Security Note
• https://support.f5.com/csp/article/K05112543 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2018-5542 · Vendor Advisory