PT-2018-8294 · F5 · F5 Big-Ip

Published 2018-04-13 · Updated 2018-05-21 · CVE-2017-6143

Positive Technologies (AI Summary)

CVSS v2.0

5.8

Medium

Base vector

AV:N/AC:M/Au:N/C:P/I:P/A:N

Name of the Vulnerable Software and Affected Versions F5 BIG-IP versions 11.5.0 through 11.5.5 F5 BIG-IP versions 11.6.0 through 11.6.2 F5 BIG-IP versions 12.0.0 through 12.1.2

Description The issue arises from incorrect implementation of X509 certificate verification in the IP Intelligence Subscription and IP Intelligence feed-list features. This results in the remote server's identity not being properly validated.

Recommendations For F5 BIG-IP versions 11.5.0 through 11.5.5, update the implementation of X509 certificate verification to properly validate the remote server's identity. For F5 BIG-IP versions 11.6.0 through 11.6.2, update the implementation of X509 certificate verification to properly validate the remote server's identity. For F5 BIG-IP versions 12.0.0 through 12.1.2, update the implementation of X509 certificate verification to properly validate the remote server's identity.

Fix

Improper Certificate Validation

Weakness Enumeration

CWE-295

Related Identifiers

CVE-2017-6143

Affected Products

F5 Big-Ip

References · 3

• https://osv.dev/vulnerability/CVE-2017-6143 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2017-6143 · Security Note
• https://support.f5.com/csp/article/K11464209 · Vendor Advisory