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PAN-SEC-116MediumPAN-OS

Certificate profile checks no revocation

At a glance

Base severity

Medium

Area

Certificates and PKI

Platform

PAN-OS

Evidence level

Fact1.00

Benchmark reference

Reads the export, not the device

ConfigProof reads a configuration export. This control is evaluated against the objects in that file, and it reports what the file says. It does not connect to the device and sees no traffic, so a finding here describes the configuration, not what the firewall is doing right now.

Why it matters

A certificate profile that checks no revocation accepts a client or server certificate that was revoked this morning, for as long as it is inside its validity dates.

How to fix it

Web interface

The steps below are written for the web interface. A finding raised on your own export carries the same steps with your object names filled in.

  1. Enable CRL, OCSP or both on the profile, and decide what happens when the status cannot be retrieved.

Command line

PAN-OS CLI, standalone firewall, vsys1

set vsys vsys1 certificate-profile <object-name> use-crl yesset vsys vsys1 certificate-profile <object-name> use-ocsp yes

An example. Values in angle brackets are yours to supply; a finding on your own export fills in the names it read. Nothing here commits. Review the candidate configuration, then commit it yourself.

Read it back

show vsys vsys1 certificate-profile <object-name>
Values to fill in1
<object-name>
The object's name, as it appears on your firewall
Before you type it1
  • Keep only the check the firewall can reach: a CRL or OCSP server it cannot contact blocks or delays every certificate the profile checks.

How to confirm the fix

  • Confirm the firewall can reach the CRL distribution point or OCSP responder the certificates name.
  • Test a connection that uses the profile after the change.

Limits

  • Reported only when the profile writes both use-crl and use-ocsp as no. A leaf the profile leaves out is recorded as not written: no vendor or CIS text states its default, so a finding does not rest on it.

Compliance references

No benchmark recommendation is mapped to this control in this version.

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