Title: ====== Mobile USB Drive HD 1.2 - Arbitrary File Upload Vulnerability
Date: ===== 2013-06-27 References: =========== http://www.vulnerability-lab.com/get_content.php?id=989 VL-ID: ===== 989 Common Vulnerability Scoring System: ==================================== 6.8 Introduction: ============= Mobile Drive is a Powerful tool that allows you to quickly store and view files. you can transfer files between PC/MAC and your device via WiFi, iTunes USB, FTP and iCloud. No more worries about losing important files again! File Manager - Global File Search - Folder and sub-folder support - Move, rename, copy, delete, zip files and folders - Extract ZiP files - Sorting by name, date, size File viewer - PDF Viewer (support bookmark, thumbnail, AirPrint) - Full-Featured Photo Viewer - Document viewer supports Word, Excel, PPT, PDF, iWork, html, txt, rtf, webarchive file formats - Video player support mp4, mov, 3gp, m4v formats - Open files in other apps File Transfer and Backup - Wirelessly transfer files via Wifi - FTP File Transfer support (easily download, upload, rename, and delete files and folders) - iTunes USB File Sharing support (the fastest and the easiest way) - Access and edit files with different devices via iCloud - Transfer files via Email - File Backup:Wifi, iTunes USB, FTP, Open-In, iCloud Password Protection Feature, three choices • 4-digit password • character password • gestures password (Copy of the Vendor Homepage: https://itunes.apple.com/us/app/mobile-usb-drive-for-iphone/id622590148 ) Abstract: ========= The Vulnerability Laboratory Research Team discovered multiple vulnerabilities in the Mobile USB Drive HD v1.2 apple iOS application. Report-Timeline: ================ 2013-06-27: Public Disclosure (Vulnerability Laboratory) Status: ======== Published Affected Products: ================== Apple AppStore Product: Mobile USB Drive HD 1.2 Exploitation-Technique: ======================= Remote Severity: ========= High Details: ======== A local file include and arbitrary file upload web vulnerability via POST method request is detected in the Mobile USB Drive HD v1.2 apple iOS application. The vulnerability allows remote attackers via POST method to upload files with multiple extensions to unauthorized access them on application-side of the service. The vulnerability is located in the upload file module of the web-server (http://localhost:8080/) when processing to request a manipulated filename via POST. The execution of the injected path or file request will occur when the attacker/target is processing to reload to index listing of the affected module. Remote attackers can exchange the filename with a tripple extension to bypass the filter and can execute the files located on the little web-server of the application. Exploitation of the vulnerability requires no user interaction and also without application user account (no password standard). Successful exploitation of the vulnerability results in unauthorized path or file access via local file include or arbitrary file upload. Vulnerable Application(s): [+] Mobile USB Drive HD v1.2 - ITunes or AppStore (Apple) Vulnerable Module(s): [+] File Upload (Web Server) [Remote] Vulnerable Parameter(s): [+] filename [+] file extensions (multiple) Affected Module(s): [+] MUD HD Index Listing Proof of Concept: ================= The arbitrary file upload web vulnerability can be exploited by remote attackers without user interaction or privilege application user account. For demonstration or reproduce ... PoC: http://localhost:8080/files/webshell-js.php.png.txt.iso.php.gif Review: File Management.htm - Index <table border="0" cellpadding="0" cellspacing="0"> <thead> <tr><th>Name</th><th class="del">Delete</th></tr> </thead> <tbody id="filelist"> <tr><td><a href="http://localhost:8080/files/webshell-js.php.png.txt.iso.php.gif"; class="file">webshell-js.php.png.txt.iso.php.gif</a></td> --- Session Log --- 21:01:24.132[0ms][total 0ms] Status: pending[] GET http://192.168.2.104:8080/files/1234.png.txt.iso.php.gif Load Flags[LOAD_DOCUMENT_URI LOAD_INITIAL_DOCUMENT_URI ] Content Size[unknown] Mime Type[unknown] Request Headers: Host[192.168.2.104:8080] User-Agent[Mozilla/5.0 (Windows NT 6.1; WOW64; rv:21.0) Gecko/20100101 Firefox/21.0] Accept[text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8] Accept-Language[en-US,en;q=0.5] Accept-Encoding[gzip, deflate] DNT[1] Referer[http://192.168.2.104:8080/] 21:01:32.643[0ms][total 0ms] Status: pending[] GET http://192.168.2.104:8080/files/1234.png.txt.iso.php.gif Load Flags[VALIDATE_ALWAYS LOAD_DOCUMENT_URI LOAD_INITIAL_DOCUMENT_URI ] Content Size[unknown] Mime Type[unknown] Request Headers: Host[192.168.2.104:8080] User-Agent[Mozilla/5.0 (Windows NT 6.1; WOW64; rv:21.0) Gecko/20100101 Firefox/21.0] Accept[text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8] Accept-Language[en-US,en;q=0.5] Accept-Encoding[gzip, deflate] DNT[1] Referer[http://192.168.2.104:8080/] 21:01:43.184[125ms][total 177ms] Status: 200[OK] GET http://192.168.2.104:8080/files/1234.png.txt.iso.php.gif Load Flags[VALIDATE_ALWAYS LOAD_DOCUMENT_URI LOAD_INITIAL_DOCUMENT_URI ] Content Size[98139] Mime Type[application/x-unknown-content-type] Request Headers: Host[192.168.2.104:8080] User-Agent[Mozilla/5.0 (Windows NT 6.1; WOW64; rv:21.0) Gecko/20100101 Firefox/21.0] Accept[text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8] Accept-Language[en-US,en;q=0.5] Accept-Encoding[gzip, deflate] DNT[1] Referer[http://192.168.2.104:8080/] Connection[keep-alive] Cache-Control[max-age=0] Response Headers: Accept-Ranges[bytes] Content-Length[98139] Date[Do., 27 Jun 2013 19:06:58 GMT] 21:01:43.389[2393ms][total 2393ms] Status: 200[OK] GET http://192.168.2.104:8080/files/1234.png.txt.iso.php.gif Load Flags[LOAD_NORMAL] Content Size[98139] Mime Type[application/x-unknown-content-type] Request Headers: Host[192.168.2.104:8080] User-Agent[Mozilla/5.0 (Windows NT 6.1; WOW64; rv:21.0) Gecko/20100101 Firefox/21.0] Accept[text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8] Accept-Language[en-US,en;q=0.5] Accept-Encoding[gzip, deflate] DNT[1] Connection[keep-alive] Response Headers: Accept-Ranges[bytes] Content-Length[98139] Date[Do., 27 Jun 2013 19:07:00 GMT] Risk: ===== 1.1 The security risk of the arbitrary file upload vulnerability and the multiple extensions issue are estimated as high. Credits: ======== Vulnerability Laboratory [Research Team] - Benjamin Kunz Mejri (b...@evolution-sec.com) 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. 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