Excellent. I appreciate the guidance.
I’ve submitted this issue: https://github.com/ComplianceAsCode/content/issues/4925
Thanks.
From: Gabriel Gaspar Becker ggasparb@redhat.com Sent: Monday, October 14, 2019 5:25 AM To: SCAP Security Guide scap-security-guide@lists.fedorahosted.org Subject: [EXTERNAL] Re: linux_os - pam_faillock.so - The authfail line is inserted too early in the PAM stack and this breaks alternative authentications (ex: krb5 or sssd)
Hi Nathaniel, If you truly believe that this is an issue then I suggest you to create a new issue under: [0] which is the project to track issues on scap-security-guide.
And if it's possible try to add more information on which version you are using and which rule you are checking.
I believe the rule you checking is part of [1], please try to identify which one is it.
There people can start collaborating on identifying exactly what's the issue and start working on it.
Regards.
[0] https://github.com/ComplianceAsCode/content/issues/new [1] https://github.com/ComplianceAsCode/content/tree/master/linux_os/guide/syste...
On Fri, Oct 11, 2019 at 10:53 PM Wallwork, Nathaniel <nwallwo@sandia.govmailto:nwallwo@sandia.gov> wrote: The PAM stack is modified, adding lines for pam_faillock.so.
The line with authfail line is inserted “after pam_unix.so”. When there are alternative authentication methods (ex: pam_krb5.so or pam_sssd.so), this breaks them.
It would be better to add this line “before pam_deny.so” instead. This would still have the desired effect, without breaking alternative authentication methods.
What’s the best path to get this change made?
Thanks.
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Gabriel Gaspar Becker
Software Engineer
Red Hat https://www.redhat.com [Image removed by sender.]https://red.ht/sig
