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TLS: switch off SSL session id when client cert is used

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CVE-2016-5419
Bug: https://curl.haxx.se/docs/adv_20160803A.html
Reported-by: Bru Rom
Contributions-by: Eric Rescorla and Ray Satiro
This commit is contained in:
Daniel Stenberg 2016-07-01 13:32:31 +02:00
parent 75dc096e01
commit 247d890da8
3 changed files with 12 additions and 0 deletions
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1
lib/url.c
View File

@ -6123,6 +6123,7 @@ static CURLcode create_conn(struct Curl_easy *data,
data->set.ssl.random_file = data->set.str[STRING_SSL_RANDOM_FILE];
data->set.ssl.egdsocket = data->set.str[STRING_SSL_EGDSOCKET];
data->set.ssl.cipher_list = data->set.str[STRING_SSL_CIPHER_LIST];
data->set.ssl.clientcert = data->set.str[STRING_CERT];
#ifdef USE_TLS_SRP
data->set.ssl.username = data->set.str[STRING_TLSAUTH_USERNAME];
data->set.ssl.password = data->set.str[STRING_TLSAUTH_PASSWORD];

1
lib/urldata.h
View File

@ -351,6 +351,7 @@ struct ssl_config_data {
char *CAfile; /* certificate to verify peer against */
const char *CRLfile; /* CRL to check certificate revocation */
const char *issuercert;/* optional issuer certificate filename */
char *clientcert;
char *random_file; /* path to file containing "random" data */
char *egdsocket; /* path to file containing the EGD daemon socket */
char *cipher_list; /* list of ciphers to use */

10
lib/vtls/vtls.c
View File

@ -156,6 +156,15 @@ Curl_clone_ssl_config(struct ssl_config_data *source,
else
dest->random_file = NULL;
if(source->clientcert) {
dest->clientcert = strdup(source->clientcert);
if(!dest->clientcert)
return FALSE;
dest->sessionid = FALSE;
}
else
dest->clientcert = NULL;
return TRUE;
}
@ -166,6 +175,7 @@ void Curl_free_ssl_config(struct ssl_config_data* sslc)
Curl_safefree(sslc->cipher_list);
Curl_safefree(sslc->egdsocket);
Curl_safefree(sslc->random_file);
Curl_safefree(sslc->clientcert);
}