Add testcase for nc_match_single type confusion

Reviewed-by: Paul Dale <pauli@openssl.org>
Reviewed-by: Richard Levitte <levitte@openssl.org>

test/certs/bad-othername-cert.pem

@@ -0,0 +1,20 @@
+-----BEGIN CERTIFICATE-----
+MIIDRDCCAiygAwIBAgIBAjANBgkqhkiG9w0BAQsFADAfMR0wGwYDVQQDDBRUZXN0
+IE5DIENBIG90aGVybmFtZTAgFw0yMjEyMTMxODMzMTZaGA8yMTIyMTIxNDE4MzMx
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+6U850OhjAgMBAAGjdzB1MB0GA1UdDgQWBBTBz0k+q6d4c3aM+s2IyOF/QP6zCTAf
+BgNVHSMEGDAWgBTwhghX7uNdMejZ3f4XorqOQoMqwTAJBgNVHRMEAjAAMCgGA1Ud
+EQQhMB+gHQYIKwYBBQUHCAegEQwPZm9vQGV4YW1wbGUub3JnMA0GCSqGSIb3DQEB
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+t+Bqx/ZuTo8YzON8h9m7DIrQIjZKDLW/g5YbvIsxIVV9gWhAGohdsIyMKRBepSmr
+NxJQkO74RLBTamfl0WUCVM4HqroflFjBBG67CTJaQ9cH9ug3TKxaXCK1L6iQAXtq
+enILGai98Byo0LCFH4MQOhmhV1BDT2boIG/iYb5VKCTSX25vhaF+PNBhUoysjW0O
+vhQX8vrw42QRr4Qi7VfUBXzrbRTzxjOc4yqki7h2DcEdpginqe+aGyaFY+H9m/ka
+1AR5KN8h5SYKltSXknjs0pp1w4k49aHl
+-----END CERTIFICATE-----

test/certs/nccaothername-cert.pem

@@ -0,0 +1,20 @@
+-----BEGIN CERTIFICATE-----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+2wW6hJT9aXEjzLNyN1QFZKoShuiGX4xwjZh7VyKkV64p8hjojhcLk6dQkel+Jw4y
+OP26XbVfM8/6KG8f6WAZ8P0qJwHlhmi0EvRTnEpAM8WuenOeZH6ERZ9uZbRGh6xx
+LKQu2Aw2+bOEZ2vUtz0dBhX8
+-----END CERTIFICATE-----

test/certs/nccaothername-key.pem

@@ -0,0 +1,28 @@
+-----BEGIN PRIVATE KEY-----
+MIIEvwIBADANBgkqhkiG9w0BAQEFAASCBKkwggSlAgEAAoIBAQDdA8fnovAoLUSp
+w3GIi8F+L6wOPGrf6P8319uF/1mWTNaPR1CqNRUATb4REibvoKj8biHj65Pvy9uV
+3UasAipPMJFl9FyM9fKuaKzh1FBQFjSt4NBQ4+jfB3fLqzSGwyeOBQsfv9J/D6Yo
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+62J1eDdjXQKBgQDMsY0pZI/nskJrar7geM1c4IU5Xg+2aj/lRFqFsYYrC1s3fEd2
+EYjan6l1vi4eSLKXVTspGiIfsFzLrMGdpXjyLduJyzKXqTp7TrBebWkOUR0sYloo
+1OQprzuKskJJ81P6AVvRXw27vyW8Wtp5WwJJK5xbWq/YXj8qqagGkEiCAQKBgQCc
+RK3XAFurPmLGa7JHX5Hc/z8BKMAZo6JHrsZ6qFiGaRA0U1it0hz5JYfcFfECheSi
+ORUF+fn4PlbhPGXkFljPCbwjVBovOBA9CNl+J6u50pAW4r1ZhDB5gbqxSQLgtIaf
++JcqbFxiG6+sT36lNJS+BO2I3KrxhZJPaZY7z8szxQKBgQDRy70XzwOk8jXayiF2
+ej2IN7Ow9cgSE4tLEwR/vCjxvOlWhA3jC3wxoggshGJkpbP3DqLkQtwQm0h1lM8J
+QNtFwKzjtpf//bTlfFq08/YxWimTPMqzcV2PgRacB8P3yf1r8T7M4fA5TORCDWpW
+5FtOCFEmwQHTR8lu4c63qfxkEQ==
+-----END PRIVATE KEY-----

test/certs/setup.sh

@@ -407,6 +407,17 @@ REQMASK=MASK:0x800 ./mkcert.sh req badalt7-key "O = Bad NC Test Certificate 7" \
     "email.1 = good@good.org" "email.2 = any@good.com" \
     "IP = 127.0.0.1" "IP = 192.168.0.1"
 
+# Certs for CVE-2022-4203 testcase
+
+NC="excluded;otherName:SRVName;UTF8STRING:foo@example.org" ./mkcert.sh genca \
+    "Test NC CA othername" nccaothername-key nccaothername-cert \
+    root-key root-cert
+
+./mkcert.sh req alt-email-key "O = NC email in othername Test Certificate" | \
+    ./mkcert.sh geneealt bad-othername-key bad-othername-cert \
+    nccaothername-key nccaothername-cert \
+    "otherName.1 = SRVName;UTF8STRING:foo@example.org"
+
 # RSA-PSS signatures
 # SHA1
 ./mkcert.sh genee PSS-SHA1 ee-key ee-pss-sha1-cert ca-key ca-cert \

test/recipes/25-test_verify.t

@@ -29,7 +29,7 @@ sub verify {
     run(app([@args]));
 }
 
-plan tests => 182;
+plan tests => 183;
 
 # Canonical success
 ok(verify("ee-cert", "sslserver", ["root-cert"], ["ca-cert"]),
@@ -444,6 +444,9 @@ ok(!verify("badalt9-cert", "", ["root-cert"], ["ncca1-cert", "ncca3-cert"], ),
 ok(!verify("badalt10-cert", "", ["root-cert"], ["ncca1-cert", "ncca3-cert"], ),
    "Name constraints nested DNS name excluded");
 
+ok(!verify("bad-othername-cert", "", ["root-cert"], ["nccaothername-cert"], ),
+   "CVE-2022-4203 type confusion test");
+
 #Check that we get the expected failure return code
 with({ exit_checker => sub { return shift == 2; } },
      sub {