Title: ====== USB Sharp v1.3.4 iPad iPhone - Multiple Web Vulnerabilities Date: ===== 2013-02-16 References: =========== http://www.vulnerability-lab.com/get_content.php?id=873 VL-ID: ===== 873 Common Vulnerability Scoring System: ==================================== 6.3 Introduction: ============= USB Sharp Pro can turn your iPhone, ipad, ipod into a large Capacity, Portable and Wireless storage disk, Facilitate and efficient manage of your files! Support for editing php, js, html file. Support the open format, such as flv,asf,rmvb,avi,mpg,mkv,wmv. Dropbox Operate, multiple files upload & download, history,create folder Add manual Chrome and Firefox Supported upload multiple files Extract files from encryption .rar Optimization pdf reader, Support for importing videos/photos to Photo Library Support for exporting video from Photo Library Search file(folder) name function added Picture Viewer Improved Unzip type added Add authentication for local login Add authentication for wifi transfer Custom background image; ... ... ... Full screen view files Supported Multiple photo import Supported Sorting by file name?create time and file type View, copy, move, delete, rename, email, zip Compression and unzip files/folders Encryption folder, protect your files Extract all files from a compressed .zip file Glide deleting function Select all and Cancel all operate Transferring files by wifi and iTunes file sharing Email multiple files, folder Supported Open email attachments Photo import Supported Open files in other applications Landscape mode supported iPad-compatible Plain text: .txt .php .js .html Document: .pdf .csv .rtf .rtfd .doc .docx .xls .xlsx .ppt .pptx (office 2003 or later) Image: .png .jpg .jpeg .gif .bmp .xbm .tif .tiff Audio: .mp3 .m4a .aac Video: .mp4 .mov .m4v .3gp .flv .asf .rmvb .avi .mpg .mkv .wmv Web: .htm .html .xhtml Compressed: .zip .rar Cost: 2,99$ - iPad or iPhone (iTunes or Appstore) (Copy of the Homepage: https://itunes.apple.com/us/app/usb-sharp-pro/id436590784 ) Abstract: ========= The Vulnerability Laboratory Research Team discovered multiple web vulnerabilities in the mobile USB Sharp v1.3.4 app for the apple ipad & iphone. Report-Timeline: ================ 2013-02-16: Public Disclosure Status: ======== Published Affected Products: ================== Apple AppStore Product: USB Sharp - Web Server Application 1.3.4 Exploitation-Technique: ======================= Remote Severity: ========= High Details: ======== 1.1 A local file include web vulnerability via POST request method is detected in the mobile USB Sharp v1.3.4 app for the apple ipad & iphone. The vulnerability allows remote attackers via POST method to inject local app webserver folders to request unauthorized local webserver files. The vulnerbility is located in the upload file module of the webserver (http://192.168.0.10/) when processing to load a manipulated filename via POST. The execution of the injected path or file request will occur when the attacker is processing to watch the file dir listing. Exploitation of the vulnerability requires no user interaction and can be done without privileged application user account (no password standard). Successful exploitation of the vulnerability results in unauthorized path or file access via local file or path include attack. Vulnerable Application(s): [+] USB Sharp v1.3.4 - ITunes or AppStore (Apple) Vulnerable Module(s): [+] File Upload (Web Server) [Remote] Vulnerable Parameter(s): [+] filename Affected Module(s): [+] Filename Dir Index Listing 1.2 A persistent input validation vulnerability is detected in the mobile USB Sharp v1.3.4 app for the apple ipad & iphone. The bug allows an attacker (remote) to implement/inject malicious script code on the application side (persistent) of the app web service. The vulnerability is located in the index file dir listing module of the webserver (http://192.168.0.10:41491/) when processing to inject via POST method manipulated new chxItem parameters. The persistent script code will be executed out of the main index file dir listing module when the service is processing to list the new foldername as item. Exploitation of the vulnerability requires low or medium user interaction without privileged application user account. Successful exploitation of the vulnerability can lead to persistent session hijacking (customers), account steal via persistent web attacks, persistent phishing or stable (persistent) certificate mail notification context manipulation. Vulnerable Application(s): [+] USB Sharp v1.3.4 - ITunes or AppStore (Apple) Vulnerable Module(s): [+] Index File Dir Listing Vulnerable Parameter(s): [+] Foldername (items > chxItem) Affected Module(s): [+] Index Listing Proof of Concept: ================= 1.1 The local file include web vulnerability can be exploited by remote attackers without user interaction and without privileged application user account. For demonstration or reproduce ... Example: File > Upload via POST > Tamper Session > Change Filename Value to File or Path + Extension > Open Listing > Execution PoC: (POST) -----------------------------1337341202721337 Content-Disposition: form-data; name="file"; filename="..%2F..%2F..%2F..%2Fcmd>home>tmp%00<'.JPG" Content-Type: image/jpg Note: Encode the request ago to bypass the encoding validation of the input. (%2F) Reference(s): http://192.168.0.10:41491/ 1.2 The persistent input validation vulnerability can be exploited by remote attackers without user interaction and without privileged application user account. For demonstration or reproduce ... PoC: Index - Folder Dir Listing %20"><[PERSISTENT INJECTED SCRIPT CODE!];)" <<="" a=""> 2013-02-10 22:57:541 items Reference(s): http://192.168.0.10:41491/ Risk: ===== 1.1 The security risk of the local file/path include web vulnerability via POST request method is estimated as high(+). 1.2 The security risk of the persistent input validation web vulnerability is estimated as medium. Credits: ======== Vulnerability Laboratory [Research Team] - Benjamin Kunz Mejri (bkm@vulnerability-lab.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. 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