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I have setup a private Certificate Authority (CA), where I have a 'Root CA', and 'Intermediate CA' for signing website certificates, and a Certificate generated for my website. I have added my 'Root CA' to Firefox and Chromium. Both web browsers fail to validate the certificate chain (Firefox says SEC_ERROR_CERT_NOT_IN_NAME_SPACE); However, openssl verify says the chain is OK. I followed the instructions from the "Openssl Cookbook" by Ivan Ristić when setting up this certificate authority (if that helps).

The root CA:

$ cat root-ca.crt.pem
certificate:
Data:
    Version: 3 (0x2)
    Serial Number:
        14:91:ff:c0:24:c9:7f:5b:ae:26:0d:e8:5f:bd:5d:cc
Signature Algorithm: sha512WithRSAEncryption
    Issuer: C=ME, O=OpSec, CN=Root CA
    Validity
        Not Before: Jun 19 13:46:50 2018 GMT
        Not After : Jun 18 13:46:50 2028 GMT
    Subject: C=ME, O=OpSec, CN=Root CA
    Subject Public Key Info:
        Public Key Algorithm: rsaEncryption
            Public-Key: (4096 bit)
            Modulus:
                00:be:ff:07:60:f1:04:1a:5b:6c:3f:4d:90:24:e3:
                ...
                0f:07:4b
            Exponent: 65537 (0x10001)
    X509v3 extensions:
        X509v3 Basic Constraints: critical
            CA:TRUE
        X509v3 Key Usage: critical
            Certificate Sign, CRL Sign
        X509v3 Subject Key Identifier:
            B6:28:5C:B9:29:E0:18:05:A7:BD:5F:85:69:52:B2:F1:15:DA:5F:47
Signature Algorithm: sha512WithRSAEncryption
     8b:8a:dc:8e:62:b3:71:0b:ed:74:7a:50:f3:11:81:19:06:9d:
     ...
     db:15:e7:52:0b:16:46:74
-----BEGIN CERTIFICATE-----
MIIFKjCCAxKgAwIBAgIQFJH/wCTJf1uuJg3oX71dzDANBgkqhkiG9w0BAQ0FADAv
...
pu054FZ6DpQKWUK6JhmlsSrtpB+iLdsV51ILFkZ0
-----END CERTIFICATE-----

The intermediate/sub CA:

$ cat www-sub-ca.crt.pem
Certificate:
    Data:
        Version: 3 (0x2)
        Serial Number:
            14:91:ff:c0:24:c9:7f:5b:ae:26:0d:e8:5f:bd:5d:d0
    Signature Algorithm: sha512WithRSAEncryption
        Issuer: C=ME, O=OpSec, CN=Root CA
        Validity
            Not Before: Jul  2 15:45:21 2018 GMT
            Not After : Jul  1 15:45:21 2028 GMT
        Subject: C=ME, O=OpSec, CN=WWW Sub CA
        Subject Public Key Info:
            Public Key Algorithm: rsaEncryption
                Public-Key: (4096 bit)
                Modulus:
                    00:f3:fa:a6:60:04:d0:2d:3a:12:9a:d5:f1:a0:77:
                    ...
                    cd:a4:47
                Exponent: 65537 (0x10001)
        X509v3 extensions:
            Authority Information Access: 
                CA Issuers - URI:http://root-ca.saltycybernaut.net/root-ca.crt
                OCSP - URI:http://ocsp.root-ca.saltycybernaut.net:9080

            X509v3 Authority Key Identifier: 
                keyid:B6:28:5C:B9:29:E0:18:05:A7:BD:5F:85:69:52:B2:F1:15:DA:5F:47

            X509v3 Basic Constraints: critical
                CA:TRUE, pathlen:0
            X509v3 CRL Distribution Points: 

                Full Name:
                  URI:http://root-ca.saltycybernaut.net/root-ca.crl

            X509v3 Extended Key Usage: 
                TLS Web Client Authentication, TLS Web Server Authentication
            X509v3 Key Usage: critical
                Certificate Sign, CRL Sign
            X509v3 Name Constraints: 
                Permitted:
                  DNS:saltycybernaut.net
                Excluded:
                  IP:0.0.0.0/0.0.0.0
                  IP:0:0:0:0:0:0:0:0/0:0:0:0:0:0:0:0

            X509v3 Subject Key Identifier: 
                04:1D:DD:EF:DF:0B:D8:F8:5D:80:9B:93:63:60:07:F3:EB:4A:D7:17
    Signature Algorithm: sha512WithRSAEncryption
         4b:0c:c6:60:38:b8:ba:48:44:83:b8:5d:98:69:5a:41:92:3f:
         ...
         1f:1c:80:cb:f4:1c:e1:ff
-----BEGIN CERTIFICATE-----
MIIGjjCCBHagAwIBAgIQFJH/wCTJf1uuJg3oX71d0DANBgkqhkiG9w0BAQ0FADAv
...
4f8=
-----END CERTIFICATE-----

The website certificate:

$ cat website.crt.pem
Certificate:
    Data:
        Version: 3 (0x2)
        Serial Number:
            25:31:18:97:4b:ab:09:b2:7b:40:d9:8c:d4:47:0c:8f
    Signature Algorithm: sha512WithRSAEncryption
        Issuer: C=ME, O=OpSec, CN=WWW Sub CA
        Validity
            Not Before: Jul  2 15:48:29 2018 GMT
            Not After : Jul  2 15:48:29 2019 GMT
        Subject: C=ME, O=OpSec, OU=Website Division, CN=faraday.saltycybernaut.net
        Subject Public Key Info:
            Public Key Algorithm: rsaEncryption
                Public-Key: (4096 bit)
                Modulus:
                    00:cb:ef:7f:75:56:a0:ff:59:75:44:cb:5d:0c:da:
                    ...
                    51:cd:19
                Exponent: 65537 (0x10001)
        X509v3 extensions:
            Authority Information Access: 
                CA Issuers - URI:http://www-sub-ca.saltycybernaut.net/www-sub-ca.crt
                OCSP - URI:http://ocsp.www-sub-ca.saltycybernaut.net:9081

            X509v3 Authority Key Identifier: 
                keyid:04:1D:DD:EF:DF:0B:D8:F8:5D:80:9B:93:63:60:07:F3:EB:4A:D7:17

            X509v3 Basic Constraints: critical
                CA:FALSE
            X509v3 CRL Distribution Points: 

                Full Name:
                  URI:http://www-sub-ca.saltycybernaut.net/www-sub-ca.crl

            X509v3 Extended Key Usage: 
                TLS Web Client Authentication, TLS Web Server Authentication
            X509v3 Key Usage: critical
                Digital Signature, Key Encipherment
            X509v3 Subject Key Identifier: 
                D5:A2:F6:6A:75:19:36:F9:9B:DE:85:99:02:E1:25:1F:B7:63:52:18
            X509v3 Subject Alternative Name: 
                DNS:faraday.saltycybernaut.net, IP Address:10.8.1.1
    Signature Algorithm: sha512WithRSAEncryption
         8b:d4:b6:73:48:ca:9c:8f:4c:26:e0:74:10:2d:e1:4e:f3:e9:
         ...
         29:5a:36:7d:f9:68:63:c7
-----BEGIN CERTIFICATE-----
MIIGnTCCBIWgAwIBAgIQJTEYl0urCbJ7QNmM1EcMjzANBgkqhkiG9w0BAQ0FADAy
   HxR+hl3vUFbAKVo2ffloY8c=
-----END CERTIFICATE-----

The full chain the website give to connecting clients:

$ cat fullchain.crt.pem                                            
-----BEGIN CERTIFICATE-----                    
MIIFKjCCAxKgAwIBAgIQFJH/wCTJf1uuJg3oX71dzDANBgkqhkiG9w0BAQ0FADAv                               
MQswCQYDVQQGEwJNRTEOMAwGA1UECgwFT3BTZWMxEDAOBgNVBAMMB1Jvb3QgQ0Ew                               
HhcNMTgwNjE5MTM0NjUwWhcNMjgwNjE4MTM0NjUwWjAvMQswCQYDVQQGEwJNRTEO                               
MAwGA1UECgwFT3BTZWMxEDAOBgNVBAMMB1Jvb3QgQ0EwggIiMA0GCSqGSIb3DQEB                               
AQUAA4ICDwAwggIKAoICAQC+/wdg8QQaW2w/TZAk4yX9n0pkD5GcrSJR/hHRzbLO                               
eFB81CdcZFvwUFsjhhF/rjALZXE6dwJ8jazztktOkuhYTFAnH0GTyu8x+hzucEY7                               
G4QvIPMPU/eVvBHTre5RrHFtiaf9wmcMeI4cPHvpZng+JIT4eprGxXLR79pStGIT                               
+20kk5LILryM/67paF6B0XzCGtu0a28MJeZd3W5oS41ldfxzmtzCAGQfmAXaB7bW                               
ttzj6K3tVv2brfBT4UufUkwqnMyrAJBeDwMk/m2xwWzq2CdXMqQhtZahtmmAWKWb                               
GbZaK4WVb59/hIUD4Wb7Q/StT3b8QaEqtruoKCBqlbF7TZsmgt3dbS5ky3uNg9NJ                               
WcQ4eyledpM1c42hGn0h8dp36B7KXingvKCxfCb4yX7r+1nXSkM9zyZX/nyCZTfb                               
YRJMy3OXB8PQ0e84aeQmQtjr1PolnRb0ETrJjmb1z+lOjze+C/kp/UNplUVillqZ                               
oEayZiEHgKNBH8m/XZhg4svTt3gN5BWimFKG0JSQA30ZMtBDqrnuqHLagao/+DFG                               
5/5PRiYGxDbwFrybGw7JuF6WShd2vEDApDqSqiuYYA4RKd7Vp8Rk8H1k/n1UliuO                               
yXwJQfV+cgnG5/ligelU4BFVyAKskXLXv9yseN+a51fU6s/8hPWXyyCq/Eo6ow8H                               
SwIDAQABo0IwQDAPBgNVHRMBAf8EBTADAQH/MA4GA1UdDwEB/wQEAwIBBjAdBgNV                               
HQ4EFgQUtihcuSngGAWnvV+FaVKy8RXaX0cwDQYJKoZIhvcNAQENBQADggIBAIuK                               
3I5is3EL7XR6UPMRgRkGnfcxmoc2R4qbmbKX+Dkjcku4Rh6XT46aPGlr3whOyZvK                               
qOjb9vpRg281jFMFswJ1bIZ/5GBiI4waJBsIiRAL51DeGI8QB9AKi8YmoyG+j35U                               
vbsJmot+oa0M1l0fZLojsSsEX5bIjg3+dZvErpB5xLRqu4g3hL/Lwgevqe1drNxz                               
4eXQQYa7C2jAJHOmlkY5G1MLAga0foFS/xekpRCL71CYu/EQ0ycDVQ8Q+aM6hwDB                               
K/SaZ4RcIfLwA8GitH7R9svPeBQMvjs6cSpfmjdJWBw/yybrwIsZRcWaFy1Sd2DU                               
vnGGCAYrRcc2F+e979an7nlEirG25xo+reW7pry2WQa4UevV/NHGrP1/PTD0GKo8                               
3KD6rp04T1Ynru+M8xRKtkdja15SEVidwNgL7K8ipQqnAGrWGD63EuvuaPPVTf6V                               
eJFpXtIPWCAxdd0jVB1vNdirlEqW2nZPSu0BvQogNIowN0S7yxVeYPHI8iFhmQl0                               
TQPu+4b9bX0nOktCsYFNXRnwp6QmjifwyXTylKW5Lt8qPSFgXpsNw08bNTHTytpY                               
LGaZTlg36Z3NE2CGzVdGIHxEHuzokmXkmDrtkzFvbYCFpFq2PFC7QhXtHrxrMlMd                               
pu054FZ6DpQKWUK6JhmlsSrtpB+iLdsV51ILFkZ0       
-----END CERTIFICATE-----                      
-----BEGIN CERTIFICATE-----                    
MIIGjjCCBHagAwIBAgIQFJH/wCTJf1uuJg3oX71d0DANBgkqhkiG9w0BAQ0FADAv                               
MQswCQYDVQQGEwJNRTEOMAwGA1UECgwFT3BTZWMxEDAOBgNVBAMMB1Jvb3QgQ0Ew                               
HhcNMTgwNzAyMTU0NTIxWhcNMjgwNzAxMTU0NTIxWjAyMQswCQYDVQQGEwJNRTEO                               
MAwGA1UECgwFT3BTZWMxEzARBgNVBAMMCldXVyBTdWIgQ0EwggIiMA0GCSqGSIb3                               
DQEBAQUAA4ICDwAwggIKAoICAQDz+qZgBNAtOhKa1fGgd9aKT+zHnpdIdoALgumB                               
sTkUhuNHjlxu5M0nHtCYOWkYeCVdFNM9BhVOf9G9bIbBxshLX78hDrk+oT+67dqQ                               
F7djXCC90aWH4TJteZq+iU4/SjMwZ/XStQpdwpbmOmegonpVuS++A3bkIgly55Cd                               
B9G6ei2HOj3r43Q/KJqK1y7bRqqMvlUe0EEaXJ4PHsaNoE4n0i9Q1GOOqi+yQGev                               
rjilkRvoFfFuAddxR4RkqeCHBfUnpVGKnRm8ZNN8Mjns0DGHGt8QWbRSYJ9kOis9                               
BBFMMONNeLtJhnp8DzS4HyE4qMuJHfqeiE1HwVfPlJ5sdFFoD3L9PhxXwBhhKz4w                               
ifRAYCjeKrpVaPDRbSekZPq79a36g5SNPX3fYBEBSbLCII9Afhez9hHdtazk/XZb                               
ZCn/Gu5RpI1pl6DzM+N1+wUsCt8o9dW/c66I4/PbosFjzIG3JMhrD2ynB0KKZv4Y                               
xgO9PHR0rsc8CLnf/4ZiY90M4VJbRDCVk+VUteBLXzBHFIhdKA4xKBoMIfzNFt01                               
UgAZTw55ksiddpMDmbYIqJQVD2x9QkLVgFtdr1XkmUtmi+4P8jMTcQ4yWi4mMenH                               
0akqr6r2brTBHCgw2TkJAUVYAswEjXSUk7I6mhtGrnmKDwXDka8AHKaEOZO5GY16                               
Z82kRwIDAQABo4IBoTCCAZ0wgYIGCCsGAQUFBwEBBHYwdDA5BggrBgEFBQcwAoYt                               
aHR0cDovL3Jvb3QtY2Euc2FsdHljeWJlcm5hdXQubmV0L3Jvb3QtY2EuY3J0MDcG                               
CCsGAQUFBzABhitodHRwOi8vb2NzcC5yb290LWNhLnNhbHR5Y3liZXJuYXV0Lm5l                               
dDo5MDgwMB8GA1UdIwQYMBaAFLYoXLkp4BgFp71fhWlSsvEV2l9HMBIGA1UdEwEB                               
/wQIMAYBAf8CAQAwPgYDVR0fBDcwNTAzoDGgL4YtaHR0cDovL3Jvb3QtY2Euc2Fs                               
dHljeWJlcm5hdXQubmV0L3Jvb3QtY2EuY3JsMB0GA1UdJQQWMBQGCCsGAQUFBwMC                               
BggrBgEFBQcDATAOBgNVHQ8BAf8EBAMCAQYwUwYDVR0eBEwwSqAWMBSCEnNhbHR5                               
Y3liZXJuYXV0Lm5ldKEwMAqHCAAAAAAAAAAAMCKHIAAAAAAAAAAAAAAAAAAAAAAA                               
AAAAAAAAAAAAAAAAAAAAMB0GA1UdDgQWBBQEHd3v3wvY+F2Am5NjYAfz60rXFzAN                               
BgkqhkiG9w0BAQ0FAAOCAgEASwzGYDi4ukhEg7hdmGlaQZI/lMwdvnTgFMi1cYSl                               
gR8Jim5Q5C7wIRV7F2b9eULl+b642bLGw6yX6ck48BQ0pIpPUqgIBJp91XQrhYko                               
OBemU6sVNH9ufafJknrtEbSHsL0O98LpA6/OiNR6S4cGMiTpZ/uipOQ6RbwM/a87                               
lVAFkpCk5+vIXw5wD1fa9mE8y/jeV16PNFeUgce4NU3dxpCmbsAiTTMv/b4n0c2D                               
wffY3q5Urvt+poPBAEgl5eOue6+QpwZY6m2D7PjA/MGbWPgusQAQ1z/cSqPC9ykZ                               
xqNT4etsGwvaZITA1E/5G8Qmo/15LTteEuKB1J9JCmbQxLDhW798PNWzL9QjNPRB                               
dkBPhJAJ9gEmhPakWML/Mt84pQxEt6yupLDm9xHX1a920DEVJsd4/p87aW4PDPXN                               
VxmixOEkaZ7VDILRsjSO05l+R89GuGFmgzl3LDxRHAlXXpu5DtARPkO6iG/Z2DfR                               
4lhhSsTX8Jz2OtmefFjf1UrXJW3iBbLKFLqmz7CkG9zdH2iFzjSoMXggmBqEtQFe                               
ON0/41gfcjS0jEIQgeQ5W6ylfogwVV3WDcuKwz4tfK+MmVFALXk8O27iWWlAZGvi                               
fG6VDaGqeUWZEX3XThzYzBG4L1+LN0/9FK21/6cTV1sqW8p+nAUTxWE5HxyAy/Qc                               
4f8=                                           
-----END CERTIFICATE-----                      
-----BEGIN CERTIFICATE-----                    
MIIGnTCCBIWgAwIBAgIQJTEYl0urCbJ7QNmM1EcMjzANBgkqhkiG9w0BAQ0FADAy                               
MQswCQYDVQQGEwJNRTEOMAwGA1UECgwFT3BTZWMxEzARBgNVBAMMCldXVyBTdWIg                               
Q0EwHhcNMTgwNzAyMTU0ODI5WhcNMTkwNzAyMTU0ODI5WjBdMQswCQYDVQQGEwJN                               
RTEOMAwGA1UECgwFT3BTZWMxGTAXBgNVBAsMEFdlYnNpdGUgRGl2aXNpb24xIzAh                               
BgNVBAMMGmZhcmFkYXkuc2FsdHljeWJlcm5hdXQubmV0MIICIjANBgkqhkiG9w0B                               
AQEFAAOCAg8AMIICCgKCAgEAy+9/dVag/1l1RMtdDNqjLbNujc1vWz4GTsvzEtFK                               
M68LJmscOpj/sgBukSIbTBVcY7h5QVEFkQgiCPeXuIUzSSBL1vkZJO6Cu/li20TD                               
y7iUFnEGqmOSoNY/aUQlQ6DhXGVquIReaZOYqFMapFSIXF2tEXPpHjrCTU74xFaf                               
QhWa2i9zFXBEjEv+grHf0ylGTSRxOJXoT7/1LsSyXgY4e0B116SpQtJJFV0Y4n3N                               
pFqUR2t50oLeGEMBp/osKMizb6WPg2qt8c0wPB0J/ODHC/BaYAf3X08wQuZ52UsK                               
Whah2LieTTGOC+jz1I0kVxLGDUBjDztmCM3FWxwoj9vtJdPSYPGMFyoF+I2yqKBZ                               
ZEtRyKVEb1Gc4rkp6ZYwQvgyaVyrL3lueGLIDOA2Da3uHUFQYkn2722CJlvqShn4                               
2X4/gjg1QoepMTX2ZzdnrHT3B/2JfNE9lcOTPEem0GKw1Hl6/wkUyOPUJqKd0Q0W                               
qLAUXbFV+vtVAR4a7Ckra6JP1PKCK2FZIs0VPNoHzUC31xvEwZPYsdylv9afMrGS                               
jzRn8HXUmtEe75Uz/nX6f4KV343QtUE8uB1rOPb7i2SfC8CC9cBeg1a+oVCEbUZy                               
eDHu48lgjj0nnRMmon7DTePlrAOrM9ZPBXagn8wvatzAETi4A42DJpD1N4LUh6lR                               
zRkCAwEAAaOCAYIwggF+MIGLBggrBgEFBQcBAQR/MH0wPwYIKwYBBQUHMAKGM2h0                               
dHA6Ly93d3ctc3ViLWNhLnNhbHR5Y3liZXJuYXV0Lm5ldC93d3ctc3ViLWNhLmNy                               
dDA6BggrBgEFBQcwAYYuaHR0cDovL29jc3Aud3d3LXN1Yi1jYS5zYWx0eWN5YmVy                               
bmF1dC5uZXQ6OTA4MTAfBgNVHSMEGDAWgBQEHd3v3wvY+F2Am5NjYAfz60rXFzAM                               
BgNVHRMBAf8EAjAAMEQGA1UdHwQ9MDswOaA3oDWGM2h0dHA6Ly93d3ctc3ViLWNh                               
LnNhbHR5Y3liZXJuYXV0Lm5ldC93d3ctc3ViLWNhLmNybDAdBgNVHSUEFjAUBggr                               
BgEFBQcDAgYIKwYBBQUHAwEwDgYDVR0PAQH/BAQDAgWgMB0GA1UdDgQWBBTVovZq                               
dRk2+ZvehZkC4SUft2NSGDArBgNVHREEJDAighpmYXJhZGF5LnNhbHR5Y3liZXJu                               
YXV0Lm5ldIcECggBATANBgkqhkiG9w0BAQ0FAAOCAgEAi9S2c0jKnI9MJuB0EC3h                               
TvPpT2xc03rTrosRKe+rLG3BAuUbIqJtbSBpJZs4EUFph1JN9YI9Jsj8lFDlaU82                               
33fDoz8UEPXBrzVdEvBVbO9ynzDDkXD9jXjPcs95Ku2eq1LhjX7x4hbF8PIBNcbs                               
4PHmAhjsx1ODgCi3VyB8RoK7IqMpoHaYgQp0+tzAt43X+uqlFERgIv5rDX032TWK                               
8f2QpebLNG6v5NyA+oB+Dbv10JQ5zqCU780sNVp2DorjQHa6HvVGQay4eb+RzWRo                               
UaCbeOHczkuH4svrXMts8GXVeucMYXhCt+KGM5Fbb1rtEAS/DIoLSepihh19l7rl                               
z3ITbnQyajI6Nk0JFf2RBKA7bR8YX7Gx0N2bCHk4SVdmkqT4fi9py0lQe7C50LNJ                               
AKp5r7c9e2qFiBF+JOQZUvAHjUpmm4VtxqeiEkS1sY3zQbEyYyviPHl2kA9pdh/5                               
CbyDSSpFnZIueX23Nl24QqOtLFI9D3VXZlnsKDgivswrGxh8cyN8k7fmU0XjWTYd                               
38HJmSw/rc6DkszYepYJZBUog1DotABYmqaeCqqIU92JrSJdelYxCbr6+nKBElzx                               
dYa4vUgh6CcNME0SGIsiBu8AX9q38b+QJZNn148xMPr+9K3vyuVuMXOgg/LJijd1                               
HxR+hl3vUFbAKVo2ffloY8c=                       
-----END CERTIFICATE-----

Openssl validation:

$ openssl verify -CAfile root-ca.crt.pem fullchain.crt.pem
fullchain.crt.pem: OK

How have I issued a certificate outside of the "name space" of the root certificate and intermediate certificate? How can I correct this?

2

The issue is caused by a Name Constraints certificate extension presented in an intermediate CA certificate:

        X509v3 Name Constraints: 
            Permitted:
              DNS:saltycybernaut.net
            Excluded:
              IP:0.0.0.0/0.0.0.0
              IP:0:0:0:0:0:0:0:0/0:0:0:0:0:0:0:0

This extension defines the namespace for issued certificates. In a given case, only saltcybernault.net is allowed in issued certtificates and no IP addresses are allowed.

You need either, remove this extension completely or add your desired name in permitted subtree. More about this extension in RFC 5280 §4.2.1.10

  • Only saltycybernaut.net and names subordinate to it, which the OP has. Excluding all IPaddress is the problem. – dave_thompson_085 Jul 4 '18 at 7:00
  • Nope. Only specified name is allowed. To allow hosts, name must be preceded with a dot, e.g. .domain.com. See @Riking answer, which is correct too. – Crypt32 Jul 4 '18 at 14:04
  • @dave_thompson_085, The Openssl Cookbook uses the following reasoning: "The requirement to exclude the two IP address ranges comes from the CA/Browser Forum’s Baseline Requirements, which have a definition for technically constrained subordinate CAs." Baseline Requirements (The CA/Browser Forum, retrieved 9 July 2014) – Cybernaut Jul 4 '18 at 19:41
1

openssl verify does not verify a chain in a file; it verifies only the first cert in the file (or each file) you give it. You have the root cert first in the file fullchain.pem, so you are only verifying the root cert, and it is fine. This is a dupe and crossdupe, though not too easy to find:
Should a server or a client be able to verify a client/server certificate - intermediate certificate chain with a known root ca?
https://stackoverflow.com/questions/44375300/openssl-verify-with-chained-ca-and-chained-cert
https://stackoverflow.com/questions/29436967/how-to-chain-a-ssl-server-certificate-with-the-intermediate-and-root-ca-certific

If I use the correct command in 1.1.0 (but not earlier) to verify your chain it does correctly report the error:

$ openssl verify -purpose sslserver -CAfile se188914.0 -untrusted se188914.1 se188914.2
C = ME, O = OpSec, OU = Website Division, CN = faraday.saltycybernaut.net
error 48 at 0 depth lookup: excluded subtree violation
error se188914.2: verification failed

Your actual problem is correctly answered by Crypt32.

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