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Generate some certificates with the certificatePolicies extension
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Related-to: CVE-2023-0465

Reviewed-by: Hugo Landau <hlandau@openssl.org>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from #20587)
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mattcaswell authored and t8m committed Mar 28, 2023
1 parent 4e78230 commit d2f0d05
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Showing 5 changed files with 72 additions and 2 deletions.
19 changes: 19 additions & 0 deletions test/certs/ca-pol-cert.pem
Original file line number Diff line number Diff line change
@@ -0,0 +1,19 @@
-----BEGIN CERTIFICATE-----
MIIDFzCCAf+gAwIBAgIBAjANBgkqhkiG9w0BAQsFADASMRAwDgYDVQQDDAdSb290
IENBMCAXDTIzMDMwODEyMjMxNloYDzIxMjMwMzA5MTIyMzE2WjANMQswCQYDVQQD
DAJDQTCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAJadpD0ASxxfxsvd
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unZkBPcUkAhUJSiC1BOD/euaMYqOi8QwiI702Q6q1NBY1/UKnV/ZIBLecnqfj9vZ
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DhcINRp6+lIzuFBtJ67+YXnAEspb3lKMk0YL/LXrCNF2scdmNfOPwHi+OKBqt69C
9FJyWFEMxx2qm/ENE9sbOswgJRnKkaAqHBHx
-----END CERTIFICATE-----
20 changes: 20 additions & 0 deletions test/certs/ee-cert-policies-bad.pem
Original file line number Diff line number Diff line change
@@ -0,0 +1,20 @@
-----BEGIN CERTIFICATE-----
MIIDTTCCAjWgAwIBAgIBAjANBgkqhkiG9w0BAQsFADANMQswCQYDVQQDDAJDQTAg
Fw0yMzAzMDgxMjIzMzJaGA8yMTIzMDMwOTEyMjMzMlowGTEXMBUGA1UEAwwOc2Vy
dmVyLmV4YW1wbGUwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQCo/4lY
YYWu3tssD9Vz++K3qBt6dWAr1H08c3a1rt6TL38kkG3JHPSKOM2fooAWVsu0LLuT
5Rcf/w3GQ/4xNPgo2HXpo7uIgu+jcuJTYgVFTeAxl++qnRDSWA2eBp4yuxsIVl1l
Dz9mjsI2oBH/wFk1/Ukc3RxCMwZ4rgQ4I+XndWfTlK1aqUAfrFkQ9QzBZK1KxMY1
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iIQPYf55NB9KiR+3AgMBAAGjgakwgaYwHQYDVR0OBBYEFOeb4iqtimw6y3ZR5Y4H
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wSGdzfStNK1I1zM5LiI08WtXCvR6AfLANTo2x1AYhSxF
-----END CERTIFICATE-----
20 changes: 20 additions & 0 deletions test/certs/ee-cert-policies.pem
Original file line number Diff line number Diff line change
@@ -0,0 +1,20 @@
-----BEGIN CERTIFICATE-----
MIIDPTCCAiWgAwIBAgIBAjANBgkqhkiG9w0BAQsFADANMQswCQYDVQQDDAJDQTAg
Fw0yMzAzMDgxMjIzMjNaGA8yMTIzMDMwOTEyMjMyM1owGTEXMBUGA1UEAwwOc2Vy
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iIQPYf55NB9KiR+3AgMBAAGjgZkwgZYwHQYDVR0OBBYEFOeb4iqtimw6y3ZR5Y4H
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CiR/Zqo9nAOuhKHMgmC/NjUlX7STv5pJVgc4SH8VEKmSRZDmNihaOalUtK5X8/Oa
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NGLq2MHEdyKaigHQlptEs9bXyu9McJjzbx0uXj3BenRULASreccFej0L1RU6jDlk
D3brBn24UISaFRZoB7jsjok=
-----END CERTIFICATE-----
9 changes: 7 additions & 2 deletions test/certs/mkcert.sh
Original file line number Diff line number Diff line change
Expand Up @@ -119,11 +119,12 @@ genca() {
local OPTIND=1
local purpose=
while getopts p: o
while getopts p:c: o
do
case $o in
p) purpose="$OPTARG";;
*) echo "Usage: $0 genca [-p EKU] cn keyname certname cakeyname cacertname" >&2
c) certpol="$OPTARG";;
*) echo "Usage: $0 genca [-p EKU][-c policyoid] cn keyname certname cakeyname cacertname" >&2
return 1;;
esac
done
Expand All @@ -146,6 +147,10 @@ genca() {
if [ -n "$NC" ]; then
exts=$(printf "%s\nnameConstraints = %s\n" "$exts" "$NC")
fi
if [ -n "$certpol" ]; then
exts=$(printf "%s\ncertificatePolicies = %s\n" "$exts" "$certpol")
fi
csr=$(req "$key" "CN = $cn") || return 1
echo "$csr" |
cert "$cert" "$exts" -CA "${cacert}.pem" -CAkey "${cakey}.pem" \
Expand Down
6 changes: 6 additions & 0 deletions test/certs/setup.sh
Original file line number Diff line number Diff line change
Expand Up @@ -440,3 +440,9 @@ OPENSSL_SIGALG=ED448 OPENSSL_KEYALG=ed448 ./mkcert.sh genee ed448 \

# critical id-pkix-ocsp-no-check extension
./mkcert.sh geneeextra server.example ee-key ee-cert-ocsp-nocheck ca-key ca-cert "1.3.6.1.5.5.7.48.1.5=critical,DER:05:00"

# certificatePolicies extension
./mkcert.sh genca -c "1.3.6.1.4.1.16604.998855.1" "CA" ca-key ca-pol-cert root-key root-cert
./mkcert.sh geneeextra server.example ee-key ee-cert-policies ca-key ca-cert "certificatePolicies=1.3.6.1.4.1.16604.998855.1"
# We can create a cert with a duplicate policy oid - but its actually invalid!
./mkcert.sh geneeextra server.example ee-key ee-cert-policies-bad ca-key ca-cert "certificatePolicies=1.3.6.1.4.1.16604.998855.1,1.3.6.1.4.1.16604.998855.1"

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