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Let’s Encrypt DST Root CA X3 Expiration – September 2021

letsencrypt.org

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Re: Let’s Encrypt DST Root CA X3 Expiration – September 2021

#5
"In OpenSSL 1.0.x, a quirk in certificate verification means that even clients that trust ISRG Root X1 will fail"

All current FIPS accredited devices use openssl 1.0.X, so the lets encrypt cross-signing hack will essentially break multiple corporate networks until the next openssl fips module is released at the end of this year. And could take another 6 months to make it into live systems

Re: Let’s Encrypt DST Root CA X3 Expiration – September 2021

#6
post #3
post #2

At some point old devices that aren't receiving updates really need to go away, a good thing for security.

and a bad thing for e-waste.

Devices that can’t be updated all face an early ewaste destiny, don’t blame expiring certs.

Re: Let’s Encrypt DST Root CA X3 Expiration – September 2021

#7
post #5

"In OpenSSL 1.0.x, a quirk in certificate verification means that even clients that trust ISRG Root X1 will fail" All current FIPS accredited devices use openssl 1.0.X, so the lets encrypt cross-signing hack will essentially break multiple corporate networks until the next openssl fips module is released at the end of this year. And could take another 6 months to make it into live systems

Isn't the point of FIPS accreditation that the organization wants to prioritize compliance over functionality/security?

A FIPS device being unpatched or broken for a few months almost seems like the natural state of things, at this point.

Re: Let’s Encrypt DST Root CA X3 Expiration – September 2021

#8
post #5

"In OpenSSL 1.0.x, a quirk in certificate verification means that even clients that trust ISRG Root X1 will fail" All current FIPS accredited devices use openssl 1.0.X, so the lets encrypt cross-signing hack will essentially break multiple corporate networks until the next openssl fips module is released at the end of this year. And could take another 6 months to make it into live systems

Afaik what lets encrypt did is not a "hack" and perfectly valid. It sounds like users who have FIPS requirement need to fix it for their won use-case since its a bug in what they use and already fixed for everyone else.

Re: Let’s Encrypt DST Root CA X3 Expiration – September 2021

#9
post #8
post #5

"In OpenSSL 1.0.x, a quirk in certificate verification means that even clients that trust ISRG Root X1 will fail" All current FIPS accredited devices use openssl 1.0.X, so the lets encrypt cross-signing hack will essentially break multiple corporate networks until the next openssl fips module is released at the end of this year. And could take another 6 months to make it into live systems

Afaik what lets encrypt did is not a "hack" and perfectly valid. It sounds like users who have FIPS requirement need to fix it for their won use-case since its a bug in what they use and already fixed for everyone else.

Many enterprises use a FIPS SSL proxy for all employees web traffic, so all websites with these lets encrypt will effectively be invalidated if the proxies are using openssl FIPs modules, same for FIPS client side applications

Re: Let’s Encrypt DST Root CA X3 Expiration – September 2021

#10
post #9
post #8

Earlier quoted context omitted.

Afaik what lets encrypt did is not a "hack" and perfectly valid. It sounds like users who have FIPS requirement need to fix it for their won use-case since its a bug in what they use and already fixed for everyone else.

Many enterprises use a FIPS SSL proxy for all employees web traffic, so all websites with these lets encrypt will effectively be invalidated if the proxies are using openssl FIPs modules, same for FIPS client side applications

I don't have a lot of sympathy for the companies in this situation. If you want to MITM all your employee's traffic, then you accept the burden of dealing with stuff like this periodically.
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