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Fix bug #67498 - phpinfo() Type Confusion Information Leak Vulnerability

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This commit is contained in:
Stanislav Malyshev
2014-06-23 00:19:37 -07:00
parent 52de149ebc
commit ec002bd837
2 changed files with 19 additions and 4 deletions
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8
ext/standard/info.c
View File

@@ -972,16 +972,16 @@ PHPAPI void php_print_info(int flag TSRMLS_DC)
php_info_print_table_start();
php_info_print_table_header(2, "Variable", "Value");
if (zend_hash_find(&EG(symbol_table), "PHP_SELF", sizeof("PHP_SELF"), (void **) &data) != FAILURE) {
if (zend_hash_find(&EG(symbol_table), "PHP_SELF", sizeof("PHP_SELF"), (void **) &data) != FAILURE && Z_TYPE_PP(data) == IS_STRING) {
php_info_print_table_row(2, "PHP_SELF", Z_STRVAL_PP(data));
}
if (zend_hash_find(&EG(symbol_table), "PHP_AUTH_TYPE", sizeof("PHP_AUTH_TYPE"), (void **) &data) != FAILURE) {
if (zend_hash_find(&EG(symbol_table), "PHP_AUTH_TYPE", sizeof("PHP_AUTH_TYPE"), (void **) &data) != FAILURE && Z_TYPE_PP(data) == IS_STRING) {
php_info_print_table_row(2, "PHP_AUTH_TYPE", Z_STRVAL_PP(data));
}
if (zend_hash_find(&EG(symbol_table), "PHP_AUTH_USER", sizeof("PHP_AUTH_USER"), (void **) &data) != FAILURE) {
if (zend_hash_find(&EG(symbol_table), "PHP_AUTH_USER", sizeof("PHP_AUTH_USER"), (void **) &data) != FAILURE && Z_TYPE_PP(data) == IS_STRING) {
php_info_print_table_row(2, "PHP_AUTH_USER", Z_STRVAL_PP(data));
}
if (zend_hash_find(&EG(symbol_table), "PHP_AUTH_PW", sizeof("PHP_AUTH_PW"), (void **) &data) != FAILURE) {
if (zend_hash_find(&EG(symbol_table), "PHP_AUTH_PW", sizeof("PHP_AUTH_PW"), (void **) &data) != FAILURE && Z_TYPE_PP(data) == IS_STRING) {
php_info_print_table_row(2, "PHP_AUTH_PW", Z_STRVAL_PP(data));
}
php_print_gpcse_array("_REQUEST", sizeof("_REQUEST")-1 TSRMLS_CC);

15
ext/standard/tests/general_functions/bug67498.phpt Normal file
View File

@@ -0,0 +1,15 @@
--TEST--
phpinfo() Type Confusion Information Leak Vulnerability
--FILE--
<?php
$PHP_SELF = 1;
phpinfo(INFO_VARIABLES);
?>
==DONE==
--EXPECTF--
phpinfo()
PHP Variables
%A
==DONE==