AppSamvid DLL Hijacking
Posted on 17 March 2017
Vulnerability Title: AppSamvid Local Code Execution Vulnerability (ntmarta.dll) Affected Product: AppSamvid Product Homepage: https://cdac.in/index.aspx?id=cs_eps_usb_pra CVE-ID : NA Severity: Medium Author: Sachin Wagh (@tiger_tigerboy) *Description:* AppSamvid contains a DLL hijacking vulnerability that could allow an unauthenticated attacker to execute arbitrary code on the targeted system. This vulnerability exists due to some DLL file is loaded by aAppSamvid.2.0.1.Win7_64.exea improperly. And it allows an attacker to load (ntmarta.dll) DLL file of the attackeras choosing that could execute arbitrary code without the user's knowledge. *Affected Product:* AppSamvid 2.0.1 *Impact:* Attacker can exploit the vulnerability to load a DLL file of the attacker's choosing that could execute arbitrary code. This may help attacker to Successful exploits the system if user creates shell as a DLL. *Proof-Of-Concept :* 1. Create malicious dll file and save it as 'ntmarta.dll' in your "Downloads" directory. 2. Download AppSamvid (https://cdac.in/index.aspx?id=cs_eps_usb_pra) and save it in your "Downloads" directory. 3. Execute AppSamvid from your "Downloads" directory. 4. Malicious dll file gets executed. *Credit:* *Sachin Wagh (tiger_tigerboy)*
