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authorRasmus Lerdorf <rasmus@php.net>2012-05-03 15:51:52 +0200
committerDavid Soria Parra <dsp@php.net>2012-05-05 17:34:07 +0200
commit168e8920be77f3b55a3ae688270b752579681f6e (patch)
tree586752b441740ce5e9ae7049662f86d5f8ced0f1
parent8a10259642f05b11f5fefa1399605a08957f5e59 (diff)
downloadphp-git-168e8920be77f3b55a3ae688270b752579681f6e.tar.gz
Fix for CVE-2012-1823
(cherry picked from commit 29300b1f9dab068d477b241d8fd872e3a7c829b3)
-rw-r--r--sapi/cgi/cgi_main.c15
1 files changed, 14 insertions, 1 deletions
diff --git a/sapi/cgi/cgi_main.c b/sapi/cgi/cgi_main.c
index 56c736f5cc..760ad668e1 100644
--- a/sapi/cgi/cgi_main.c
+++ b/sapi/cgi/cgi_main.c
@@ -70,6 +70,7 @@
#include "php_main.h"
#include "fopen_wrappers.h"
#include "ext/standard/php_standard.h"
+#include "ext/standard/url.h"
#ifdef PHP_WIN32
# include <io.h>
@@ -1508,6 +1509,9 @@ int main(int argc, char *argv[])
#ifndef PHP_WIN32
int status = 0;
#endif
+ char *query_string;
+ char *decoded_query_string;
+ int skip_getopt = 0;
#if 0 && defined(PHP_DEBUG)
/* IIS is always making things more difficult. This allows
@@ -1557,7 +1561,16 @@ int main(int argc, char *argv[])
}
}
- while ((c = php_getopt(argc, argv, OPTIONS, &php_optarg, &php_optind, 0, 2)) != -1) {
+ if(query_string = getenv("QUERY_STRING")) {
+ decoded_query_string = strdup(query_string);
+ php_url_decode(decoded_query_string, strlen(decoded_query_string));
+ if(*decoded_query_string == '-' && strchr(decoded_query_string, '=') == NULL) {
+ skip_getopt = 1;
+ }
+ free(decoded_query_string);
+ }
+
+ while (!skip_getopt && (c = php_getopt(argc, argv, OPTIONS, &php_optarg, &php_optind, 0, 2)) != -1) {
switch (c) {
case 'c':
if (cgi_sapi_module.php_ini_path_override) {