File php-CVE-2014-5120.patch of Package php5.14673

X-Git-Url: http://72.52.91.13:8000/?p=php-src.git;a=blobdiff_plain;f=ext%2Fgd%2Fgd_ctx.c;h=253b6648f35e19aeec2bcd06edc7bfb2c8eb4c8d;hp=59eff80443685ffc99516423f47beb1ace4910eb;hb=1daa4c0090b7cd8178dcaa96287234c69ac6ca18;hpb=fbceec5861e08b10e75af36a097da35d9f808ef6

diff --git a/ext/gd/gd_ctx.c b/ext/gd/gd_ctx.c
index 59eff80..253b664 100644
--- ext/gd/gd_ctx.c
+++ ext/gd/gd_ctx.c
@@ -124,6 +124,11 @@ static void _php_image_output_ctx(INTERNAL_FUNCTION_PARAMETERS, int image_type,
 				RETURN_FALSE;
 			}
 		} else if (Z_TYPE_P(to_zval) == IS_STRING) {
+			if (CHECK_ZVAL_NULL_PATH(to_zval)) {
+				php_error_docref(NULL TSRMLS_CC, E_WARNING, "Invalid 2nd parameter, filename must not contain null bytes");
+				RETURN_FALSE;
+			}
+
 			stream = php_stream_open_wrapper(Z_STRVAL_P(to_zval), "wb", REPORT_ERRORS|IGNORE_PATH|IGNORE_URL_WIN, NULL);
 			if (stream == NULL) {
 				RETURN_FALSE;