1 files changed, 14 insertions, 2 deletions

diff --git a/src/lib/libssl/t1_enc.c b/src/lib/libssl/t1_enc.c
index d10a23af8e..a0758e9261 100644
--- a/src/lib/libssl/t1_enc.c
+++ b/src/lib/libssl/t1_enc.c
@@ -420,7 +420,7 @@ int tls1_enc(SSL *s, int send)
         if ((s->session == NULL) || (ds == NULL) ||
                 (enc == NULL))
                 {
-                memcpy(rec->data,rec->input,rec->length);
+                memmove(rec->data,rec->input,rec->length);
                 rec->input=rec->data;
                 }
         else
@@ -447,11 +447,21 @@ int tls1_enc(SSL *s, int send)
                         rec->length+=i;
                         }
 
+                if (!send)
+                        {
+                        if (l == 0 || l%bs != 0)
+                                {
+                                SSLerr(SSL_F_TLS1_ENC,SSL_R_BLOCK_CIPHER_PAD_IS_WRONG);
+                                ssl3_send_alert(s,SSL3_AL_FATAL,SSL_AD_DECRYPT_ERROR);
+                                return(0);
+                                }
+                        }
+                
                 EVP_Cipher(ds,rec->data,rec->input,l);
 
                 if ((bs != 1) && !send)
                         {
-                        ii=i=rec->data[l-1];
+                        ii=i=rec->data[l-1]; /* padding_length */
                         i++;
                         if (s->options&SSL_OP_TLS_BLOCK_PADDING_BUG)
                                 {
@@ -462,6 +472,8 @@ int tls1_enc(SSL *s, int send)
                                 if (s->s3->flags & TLS1_FLAGS_TLS_PADDING_BUG)
                                         i--;
                                 }
+                        /* TLS 1.0 does not bound the number of padding bytes by the block size.
+                         * All of them must have value 'padding_length'. */
                         if (i > (int)rec->length)
                                 {
                                 SSLerr(SSL_F_TLS1_ENC,SSL_R_BLOCK_CIPHER_PAD_IS_WRONG);