diff options
Diffstat (limited to 'ssl/s2_srvr.c')
| -rw-r--r-- | ssl/s2_srvr.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/ssl/s2_srvr.c b/ssl/s2_srvr.c index af58b25071..96149518ad 100644 --- a/ssl/s2_srvr.c +++ b/ssl/s2_srvr.c @@ -116,6 +116,7 @@ #include <openssl/rand.h> #include <openssl/objects.h> #include <openssl/evp.h> +#include "cryptlib.h" static SSL_METHOD *ssl2_get_server_method(int ver); static int get_client_master_key(SSL *s); @@ -417,11 +418,18 @@ static int get_client_master_key(SSL *s) n2s(p,i); s->s2->tmp.clear=i; n2s(p,i); s->s2->tmp.enc=i; n2s(p,i); s->session->key_arg_length=i; + if(s->session->key_arg_length > SSL_MAX_KEY_ARG_LENGTH) + { + SSLerr(SSL_F_GET_CLIENT_MASTER_KEY, + SSL_R_KEY_ARG_TOO_LONG); + return -1; + } s->state=SSL2_ST_GET_CLIENT_MASTER_KEY_B; } /* SSL2_ST_GET_CLIENT_MASTER_KEY_B */ p=(unsigned char *)s->init_buf->data; + die(s->init_buf->length >= SSL2_MAX_RECORD_LENGTH_3_BYTE_HEADER); keya=s->session->key_arg_length; len = 10 + (unsigned long)s->s2->tmp.clear + (unsigned long)s->s2->tmp.enc + (unsigned long)keya; if (len > SSL2_MAX_RECORD_LENGTH_3_BYTE_HEADER) @@ -502,6 +510,7 @@ static int get_client_master_key(SSL *s) #endif if (is_export) i+=s->s2->tmp.clear; + die(i <= SSL_MAX_MASTER_KEY_LENGTH); s->session->master_key_length=i; memcpy(s->session->master_key,p,(unsigned int)i); return(1); @@ -649,6 +658,7 @@ static int get_client_hello(SSL *s) p+=s->s2->tmp.session_id_length; /* challenge */ + die(s->s2->challenge_length <= sizeof s->s2->challenge); memcpy(s->s2->challenge,p,(unsigned int)s->s2->challenge_length); return(1); mem_err: @@ -800,6 +810,7 @@ static int get_client_finished(SSL *s) } /* SSL2_ST_GET_CLIENT_FINISHED_B */ + die(s->s2->conn_id_length <= sizeof s->s2->conn_id); len = 1 + (unsigned long)s->s2->conn_id_length; n = (int)len - s->init_num; i = ssl2_read(s,(char *)&(p[s->init_num]),n); @@ -825,6 +836,7 @@ static int server_verify(SSL *s) { p=(unsigned char *)s->init_buf->data; *(p++)=SSL2_MT_SERVER_VERIFY; + die(s->s2->challenge_length <= sizeof s->s2->challenge); memcpy(p,s->s2->challenge,(unsigned int)s->s2->challenge_length); /* p+=s->s2->challenge_length; */ @@ -844,6 +856,8 @@ static int server_finish(SSL *s) p=(unsigned char *)s->init_buf->data; *(p++)=SSL2_MT_SERVER_FINISHED; + die(s->session->session_id_length + <= sizeof s->session->session_id); memcpy(p,s->session->session_id, (unsigned int)s->session->session_id_length); /* p+=s->session->session_id_length; */ |