tests/cve-2008-4989.c

   1 /*
   2  * Copyright (C) 2008, 2009, 2010 Free Software Foundation, Inc.
   3  *
   4  * Author: Simon Josefsson
   5  *
   6  * This file is part of GnuTLS.
   7  *
   8  * GnuTLS is free software; you can redistribute it and/or modify it
   9  * under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; either version 3 of the License, or
  11  * (at your option) any later version.
  12  *
  13  * GnuTLS is distributed in the hope that it will be useful, but
  14  * WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with GnuTLS; if not, write to the Free Software Foundation,
  20  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
  21  */
  22
  23 #ifdef HAVE_CONFIG_H
  24 #include <config.h>
  25 #endif
  26
  27 #include <stdio.h>
  28 #include <stdlib.h>
  29 #include <error.h>
  30 #include <string.h>
  31
  32 #include <gnutls/gnutls.h>
  33 #include <gnutls/x509.h>
  34
  35 /* Don't add more chains to this file, this is for cve-2008-4989
  36    related chains only.  See chainverify.c instead for a generic chain
  37    verification tester.  */
  38
  39 static const char *pem_certs[] = {
  40   "-----BEGIN CERTIFICATE-----\n"
  41     "MIIB6zCCAVQCCQCgwnB/k0WZrDANBgkqhkiG9w0BAQUFADA9MQswCQYDVQQGEwJE\n"
  42     "RTEXMBUGA1UEChMOR05VIFRMUyBBdHRhY2sxFTATBgNVBAMTDGludGVybWVkaWF0\n"
  43     "ZTAeFw0wODExMDMxMjA1MDRaFw0wODEyMDMxMjA1MDRaMDcxCzAJBgNVBAYTAkRF\n"
  44     "MRcwFQYDVQQKEw5HTlUgVExTIEF0dGFjazEPMA0GA1UEAxMGc2VydmVyMIGfMA0G\n"
  45     "CSqGSIb3DQEBAQUAA4GNADCBiQKBgQDKdL9g5ErMLOLRCjiomZlNLhy0moWGaKIW\n"
  46     "aX6vyUIfh8d6FcArHoKoqhmX7ckvod50sOYPojQesDpl7gVaQNA6Ntr1VCcuNPef\n"
  47     "UKWtEwL0Qu9JbPnUoIYd7mAaqVQgFp6W6yzV/dp63LH4XSdzBMhpZ/EU6vZoE8Sv\n"
  48     "VLdqj5r6jwIDAQABMA0GCSqGSIb3DQEBBQUAA4GBAH4QRR7sZEbjW00tXYk/3O/Z\n"
  49     "96AxJNg0F78W5B68gaJrLJ7DTE2RTglscuEq1+2Jyb4AIziwXpYqxgwcP91QpH97\n"
  50     "XfwdXIcyjYvVLHiKmkQj2zJTY7MeyiEQQ2it8VstZG2fYmi2EiMZIEnyJ2JJ7bA7\n"
  51     "bF7pG7Cg3oEHUM0H5KUU\n" "-----END CERTIFICATE-----\n",
  52   "-----BEGIN CERTIFICATE-----\n"
  53     "MIICADCCAWmgAwIBAgIJAIZ4nkHQAqTFMA0GCSqGSIb3DQEBBQUAMDUxCzAJBgNV\n"
  54     "BAYTAkRFMRcwFQYDVQQKEw5HTlUgVExTIEF0dGFjazENMAsGA1UEAxMEcm9vdDAe\n"
  55     "Fw0wODExMDMxMjA0NDVaFw0wODEyMDMxMjA0NDVaMD0xCzAJBgNVBAYTAkRFMRcw\n"
  56     "FQYDVQQKEw5HTlUgVExTIEF0dGFjazEVMBMGA1UEAxMMaW50ZXJtZWRpYXRlMIGf\n"
  57     "MA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDvBpW8sAhIuUmNvcBE6wv/q7MtM1Z9\n"
  58     "2I1SDL8eJ8I2nPg6BlCX+OIqNruynj8J7uPEQ04ZLwLxNXoyZa8057YFyrKLOvoj\n"
  59     "5IfBtidsLWYv6PO3qqHJXVvwGdS7PKMuUlsjucCRyXVgQ07ODF7piqoVFi9KD99w\n"
  60     "AU5+9plGrZNP/wIDAQABoxAwDjAMBgNVHRMEBTADAQH/MA0GCSqGSIb3DQEBBQUA\n"
  61     "A4GBAGPg+M+8MsB6zHN2o+jAtyqovrTTwmzVWEgfEH/aHC9+imGZRQ5lFNc2vdny\n"
  62     "AgaJ9/izO5S6Ibb5zUowN2WhoUJOVipuQa2m9AviOgheoU7tmANC9ylm/pRkKy/0\n"
  63     "n5UVzlKxDhRp/xBb7MWOw3KEQjiAf2Z3wCLcCPUqcJUdJC4v\n"
  64     "-----END CERTIFICATE-----\n",
  65   "-----BEGIN CERTIFICATE-----\n"
  66     "MIIEIDCCAwigAwIBAgIQNE7VVyDV7exJ9C/ON9srbTANBgkqhkiG9w0BAQUF\n"
  67     "ADCBqTELMAkGA1UEBhMCVVMxFTATBgNVBAoTDHRoYXd0ZSwgSW5jLjEoMCYG\n"
  68     "A1UECxMfQ2VydGlmaWNhdGlvbiBTZXJ2aWNlcyBEaXZpc2lvbjE4MDYGA1UE\n"
  69     "CxMvKGMpIDIwMDYgdGhhd3RlLCBJbmMuIC0gRm9yIGF1dGhvcml6ZWQgdXNl\n"
  70     "IG9ubHkxHzAdBgNVBAMTFnRoYXd0ZSBQcmltYXJ5IFJvb3QgQ0EwHhcNMDYx\n"
  71     "MTE3MDAwMDAwWhcNMzYwNzE2MjM1OTU5WjCBqTELMAkGA1UEBhMCVVMxFTAT\n"
  72     "BgNVBAoTDHRoYXd0ZSwgSW5jLjEoMCYGA1UECxMfQ2VydGlmaWNhdGlvbiBT\n"
  73     "ZXJ2aWNlcyBEaXZpc2lvbjE4MDYGA1UECxMvKGMpIDIwMDYgdGhhd3RlLCBJ\n"
  74     "bmMuIC0gRm9yIGF1dGhvcml6ZWQgdXNlIG9ubHkxHzAdBgNVBAMTFnRoYXd0\n"
  75     "ZSBQcmltYXJ5IFJvb3QgQ0EwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEK\n"
  76     "AoIBAQCsoPD7gFnUnMekz52hWXMJEEUMDSxuaPFsW0hoSVk3/AszGcJ3f8wQ\n"
  77     "LZU0HObrTQmnHNK4yZc2AreJ1CRfBsDMRJSUjQJib+ta3RGNKJpchJAQeg29\n"
  78     "dGYvajig4tVUROsdB58Hum/u6f1OCyn1PoSgAfGcq/gcfomk6KHYcWUNo1F7\n"
  79     "7rzSImANuVud37r8UVsLr5iy6S7pBOhih94ryNdOwUxkHt3Ph1i6Sk/KaAcd\n"
  80     "HJ1KxtUvkcx8cXIcxcBn6zL9yZJclNqFwJu/U30rCfSMnZEfl2pSy94JNqR3\n"
  81     "2HuHUETVPm4pafs5SSYeCaWAe0At6+gnhcn+Yf1+5nyXHdWdAgMBAAGjQjBA\n"
  82     "MA8GA1UdEwEB/wQFMAMBAf8wDgYDVR0PAQH/BAQDAgEGMB0GA1UdDgQWBBR7\n"
  83     "W0XPr87Lev0xkhpqtvNG61dIUDANBgkqhkiG9w0BAQUFAAOCAQEAeRHAS7OR\n"
  84     "tvzw6WfUDW5FvlXok9LOAz/t2iWwHVfLHjp2oEzsUHboZHIMpKnxuIvW1oeE\n"
  85     "uzLlQRHAd9mzYJ3rG9XRbkREqaYB7FViHXe4XI5ISXycO1cRrK1zN44veFyQ\n"
  86     "aEfZYGDm/Ac9IiAXxPcW6cTYcvnIc3zfFi8VqT79aie2oetaupgf1eNNZAqd\n"
  87     "E8hhuvU5HIe6uL17In/2/qxAeeWsEG89jxt5dovEN7MhGITlNgDrYyCZuen+\n"
  88     "MwS7QcjBAvlEYyCegc5C09Y/LHbTY5xZ3Y+m4Q6gLkH3LpVHz7z9M/P2C2F+\n"
  89     "fpErgUfCJzDupxBdN49cOSvkBPB7jVaMaA==\n" "-----END CERTIFICATE-----\n"
  90 };
  91
  92 static const char *pem_ca = {
  93   "-----BEGIN CERTIFICATE-----\n"
  94     "MIIEIDCCAwigAwIBAgIQNE7VVyDV7exJ9C/ON9srbTANBgkqhkiG9w0BAQUF\n"
  95     "ADCBqTELMAkGA1UEBhMCVVMxFTATBgNVBAoTDHRoYXd0ZSwgSW5jLjEoMCYG\n"
  96     "A1UECxMfQ2VydGlmaWNhdGlvbiBTZXJ2aWNlcyBEaXZpc2lvbjE4MDYGA1UE\n"
  97     "CxMvKGMpIDIwMDYgdGhhd3RlLCBJbmMuIC0gRm9yIGF1dGhvcml6ZWQgdXNl\n"
  98     "IG9ubHkxHzAdBgNVBAMTFnRoYXd0ZSBQcmltYXJ5IFJvb3QgQ0EwHhcNMDYx\n"
  99     "MTE3MDAwMDAwWhcNMzYwNzE2MjM1OTU5WjCBqTELMAkGA1UEBhMCVVMxFTAT\n"
 100     "BgNVBAoTDHRoYXd0ZSwgSW5jLjEoMCYGA1UECxMfQ2VydGlmaWNhdGlvbiBT\n"
 101     "ZXJ2aWNlcyBEaXZpc2lvbjE4MDYGA1UECxMvKGMpIDIwMDYgdGhhd3RlLCBJ\n"
 102     "bmMuIC0gRm9yIGF1dGhvcml6ZWQgdXNlIG9ubHkxHzAdBgNVBAMTFnRoYXd0\n"
 103     "ZSBQcmltYXJ5IFJvb3QgQ0EwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEK\n"
 104     "AoIBAQCsoPD7gFnUnMekz52hWXMJEEUMDSxuaPFsW0hoSVk3/AszGcJ3f8wQ\n"
 105     "LZU0HObrTQmnHNK4yZc2AreJ1CRfBsDMRJSUjQJib+ta3RGNKJpchJAQeg29\n"
 106     "dGYvajig4tVUROsdB58Hum/u6f1OCyn1PoSgAfGcq/gcfomk6KHYcWUNo1F7\n"
 107     "7rzSImANuVud37r8UVsLr5iy6S7pBOhih94ryNdOwUxkHt3Ph1i6Sk/KaAcd\n"
 108     "HJ1KxtUvkcx8cXIcxcBn6zL9yZJclNqFwJu/U30rCfSMnZEfl2pSy94JNqR3\n"
 109     "2HuHUETVPm4pafs5SSYeCaWAe0At6+gnhcn+Yf1+5nyXHdWdAgMBAAGjQjBA\n"
 110     "MA8GA1UdEwEB/wQFMAMBAf8wDgYDVR0PAQH/BAQDAgEGMB0GA1UdDgQWBBR7\n"
 111     "W0XPr87Lev0xkhpqtvNG61dIUDANBgkqhkiG9w0BAQUFAAOCAQEAeRHAS7OR\n"
 112     "tvzw6WfUDW5FvlXok9LOAz/t2iWwHVfLHjp2oEzsUHboZHIMpKnxuIvW1oeE\n"
 113     "uzLlQRHAd9mzYJ3rG9XRbkREqaYB7FViHXe4XI5ISXycO1cRrK1zN44veFyQ\n"
 114     "aEfZYGDm/Ac9IiAXxPcW6cTYcvnIc3zfFi8VqT79aie2oetaupgf1eNNZAqd\n"
 115     "E8hhuvU5HIe6uL17In/2/qxAeeWsEG89jxt5dovEN7MhGITlNgDrYyCZuen+\n"
 116     "MwS7QcjBAvlEYyCegc5C09Y/LHbTY5xZ3Y+m4Q6gLkH3LpVHz7z9M/P2C2F+\n"
 117     "fpErgUfCJzDupxBdN49cOSvkBPB7jVaMaA==\n" "-----END CERTIFICATE-----\n"
 118 };
 119
 120 #define CHAIN_LENGTH (sizeof (pem_certs) / sizeof (pem_certs[0]))
 121
 122 static const char *pem_self_cert = {
 123   "-----BEGIN CERTIFICATE-----\n"
 124     "MIIDgjCCAmygAwIBAgIBADALBgkqhkiG9w0BAQUwSzELMAkGA1UEBhMCQlIxFDAS\n"
 125     "BgNVBAoTC01pbmFzIExpdnJlMSYwJAYDVQQDEx1UaGFkZXUgTGltYSBkZSBTb3V6\n"
 126     "YSBDYXNjYXJkbzAeFw0wODA1MzAxOTUzNDNaFw0wODExMjYxOTUzNDNaMEsxCzAJ\n"
 127     "BgNVBAYTAkJSMRQwEgYDVQQKEwtNaW5hcyBMaXZyZTEmMCQGA1UEAxMdVGhhZGV1\n"
 128     "IExpbWEgZGUgU291emEgQ2FzY2FyZG8wggEfMAsGCSqGSIb3DQEBAQOCAQ4AMIIB\n"
 129     "CQKCAQC4D934O6wrXJbMyu1w8gu6nN0aNUDGqrX9UgaB/4xVuYhPlhjH0z9Dqic9\n"
 130     "0pEZmyNCjQmzDSg/hnlY3fBG0i9Iel2oYn1UB4SdcJ2qGkLS87y2ZbMTS1oyMR7/\n"
 131     "y9l3WGEWqwgjIvOjGstcZo0rCIF8Qr21QGX22KWg2HXlMaZyA9bGtJ+L+x6f2hoo\n"
 132     "yIPCA30VMvIgHjOSPQJF3iJFE4Uxq1PQ65W91NyI6/bRKFOmFdCUJW8tqqvntYP8\n"
 133     "hEE08wGlKimFNv7CqZuRI8QuOnhZ7pBXkyvQpW8yHrORlOHxSjkNQKjddt92TCJb\n"
 134     "1q6eKv2CtCuDLgCuIy0Onr4U9n+hAgMBAAGjeDB2MA8GA1UdEwEB/wQFMAMBAf8w\n"
 135     "HgYDVR0RBBcwFYITbWFpbC5taW5hc2xpdnJlLm9yZzATBgNVHSUEDDAKBggrBgEF\n"
 136     "BQcDATAPBgNVHQ8BAf8EBQMDB6QAMB0GA1UdDgQWBBQ/5v42y0jBHUKEfqpPmr5a\n"
 137     "WsjCGjALBgkqhkiG9w0BAQUDggEBAC/WfO2yK3vM9bG0qFEj8sd0cWiapMhf5PtH\n"
 138     "jigcPb/OKqSFQVXpAdNiUclPRP79Ih3CuWiXfZ/CW0+k2Z8tyy6AnEQItWvoVh/b\n"
 139     "8lS7Ph/f9JUYHp2DtgsQWcNQbrUZOPFBu8J4MD6cDWG5Uxwl3YASg30ZdmMDNT8B\n"
 140     "HshYz0HUOAhYwVSI3J/f7LFhD5OpjSroHgE7wA9UJrerAp9f7e3e9D7kNQ8DlvLP\n"
 141     "kz6Jh+5M/xD3JO1yl+evaCp3LA+z4M2xiNvtzkAEgj3t6RaJ81Sh5XGiooDYZ14R\n"
 142     "DgEBYLTUfBYBPzoaahPEdG/f0kUjUBJ34fkBUSjJKURPTHJfDfA=\n"
 143     "-----END CERTIFICATE-----\n"
 144 };
 145
 146 int
 147 main (int argc, char *argv[])
 148 {
 149   int ret;
 150   gnutls_x509_crt_t certs[3];
 151   gnutls_x509_crt_t ca;
 152   gnutls_x509_crt_t self_cert;
 153   gnutls_datum_t tmp;
 154   size_t i;
 155   unsigned int verify_status;
 156
 157   ret = gnutls_global_init ();
 158   if (ret != 0)
 159     {
 160       printf ("%d: %s\n", ret, gnutls_strerror (ret));
 161       return EXIT_FAILURE;
 162     }
 163
 164   for (i = 0; i < CHAIN_LENGTH; i++)
 165     {
 166       ret = gnutls_x509_crt_init (&certs[i]);
 167       if (ret < 0)
 168         error (EXIT_FAILURE, 0, "gnutls_x509_crt_init[%d]: %s", (int) i,
 169                gnutls_strerror (ret));
 170
 171       tmp.data = (char *) pem_certs[i];
 172       tmp.size = strlen (pem_certs[i]);
 173
 174       ret = gnutls_x509_crt_import (certs[i], &tmp, GNUTLS_X509_FMT_PEM);
 175       if (ret < 0)
 176         error (EXIT_FAILURE, 0, "gnutls_x509_crt_import[%d]: %s", (int) i,
 177                gnutls_strerror (ret));
 178     }
 179
 180   ret = gnutls_x509_crt_init (&ca);
 181   if (ret < 0)
 182     error (EXIT_FAILURE, 0, "gnutls_x509_crt_init: %s",
 183            gnutls_strerror (ret));
 184
 185   tmp.data = (char *) pem_ca;
 186   tmp.size = strlen (pem_ca);
 187
 188   ret = gnutls_x509_crt_import (ca, &tmp, GNUTLS_X509_FMT_PEM);
 189   if (ret < 0)
 190     error (EXIT_FAILURE, 0, "gnutls_x509_crt_import: %s",
 191            gnutls_strerror (ret));
 192
 193   ret = gnutls_x509_crt_list_verify (certs, CHAIN_LENGTH,
 194                                      &ca, 1,
 195                                      NULL, 0,
 196                                      GNUTLS_VERIFY_DISABLE_TIME_CHECKS,
 197                                      &verify_status);
 198   if (ret < 0)
 199     error (EXIT_FAILURE, 0, "gnutls_x509_crt_list_verify[%d]: %s", (int) i,
 200            gnutls_strerror (ret));
 201
 202   if (verify_status != (GNUTLS_CERT_SIGNER_NOT_FOUND | GNUTLS_CERT_INVALID))
 203     error (EXIT_FAILURE, 0, "verify_status: %d", verify_status);
 204
 205   gnutls_x509_crt_deinit (ca);
 206   for (i = 0; i < CHAIN_LENGTH; i++)
 207     gnutls_x509_crt_deinit (certs[i]);
 208
 209   /* Also test chain length of 1, since the initial patch to solve the
 210      problem caused a crash in this situation. */
 211
 212   ret = gnutls_x509_crt_init (&self_cert);
 213   if (ret < 0)
 214     error (EXIT_FAILURE, 0, "gnutls_x509_crt_init: %s",
 215            gnutls_strerror (ret));
 216
 217   tmp.data = (char *) pem_self_cert;
 218   tmp.size = strlen (pem_self_cert);
 219
 220   ret = gnutls_x509_crt_import (self_cert, &tmp, GNUTLS_X509_FMT_PEM);
 221   if (ret < 0)
 222     error (EXIT_FAILURE, 0, "gnutls_x509_crt_import: %s",
 223            gnutls_strerror (ret));
 224
 225   ret = gnutls_x509_crt_list_verify (&self_cert, 1,
 226                                      &self_cert, 1,
 227                                      NULL, 0,
 228                                      GNUTLS_VERIFY_DISABLE_TIME_CHECKS,
 229                                      &verify_status);
 230   if (ret < 0)
 231     error (EXIT_FAILURE, 0, "gnutls_x509_crt_list_verify[%d]: %s", (int) i,
 232            gnutls_strerror (ret));
 233
 234   if (verify_status != 0)
 235     error (EXIT_FAILURE, 0, "verify_status: %d", verify_status);
 236
 237   gnutls_x509_crt_deinit (self_cert);
 238
 239   gnutls_global_deinit ();
 240
 241   return 0;
 242 }