diff options
Diffstat (limited to 'crypto/openssl/ssl/s2_srvr.c')
| -rw-r--r-- | crypto/openssl/ssl/s2_srvr.c | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/crypto/openssl/ssl/s2_srvr.c b/crypto/openssl/ssl/s2_srvr.c index 5897d00..b725800 100644 --- a/crypto/openssl/ssl/s2_srvr.c +++ b/crypto/openssl/ssl/s2_srvr.c @@ -54,8 +54,6 @@ * derivative of this code cannot be changed. i.e. this code cannot simply be * copied and put under another distribution licence * [including the GNU Public Licence.] - * - * $FreeBSD$ */ /* ==================================================================== * Copyright (c) 1998-2001 The OpenSSL Project. All rights reserved. @@ -109,6 +107,7 @@ * (eay@cryptsoft.com). This product includes software written by Tim * Hudson (tjh@cryptsoft.com). * + * $FreeBSD$ */ #include "ssl_locl.h" @@ -118,6 +117,7 @@ #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); @@ -419,11 +419,18 @@ 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) @@ -504,6 +511,7 @@ 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); @@ -651,6 +659,7 @@ 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: @@ -802,6 +811,7 @@ 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); @@ -827,6 +837,7 @@ 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; */ @@ -846,6 +857,8 @@ 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; */ |
