Assorted bugfixes:

- RLE decompression boundary case
- SSL 2.0 key arg length check

Submitted by: Google (Neel Mehta, Bodo Moeller)

crypto/comp/c_rle.c

@@ -46,7 +46,7 @@ static int rle_expand_block(COMP_CTX *ctx, unsigned char *out,
 	{
 	int i;
 
-	if (olen < (ilen-1))
+	if (ilen == 0 || olen < (ilen-1))
 		{
 		/* ZZZZZZZZZZZZZZZZZZZZZZ */
 		return(-1);
@@ -59,4 +59,3 @@ static int rle_expand_block(COMP_CTX *ctx, unsigned char *out,
 		}
 	return(ilen-1);
 	}
-

ssl/s2_srvr.c

@@ -403,13 +403,14 @@ static int get_client_master_key(SSL *s)
 		p+=3;
 		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)
+		n2s(p,i);
+		if(i > SSL_MAX_KEY_ARG_LENGTH)
 			{
 			ssl2_return_error(s,SSL2_PE_UNDEFINED_ERROR);
 			SSLerr(SSL_F_GET_CLIENT_MASTER_KEY, SSL_R_KEY_ARG_TOO_LONG);
 			return -1;
 			}
+		s->session->key_arg_length=i;
 		s->state=SSL2_ST_GET_CLIENT_MASTER_KEY_B;
 		}