IPUX Cube Type CS303C IP Camera (UltraMJCamX.ocx) ActiveX Stack Buffer Overflow Vendor: Big Good Holdings Limited | Fitivision Technology Inc. Product web page: http://www.ipux.net | http://www.fitivision.com Affected version: Cube Type ICS303C (firmware: ICS303C 1.0.0-17 20140120 r1511) Summary: The device is Day and Night Cube Network camera with CMOS sensor. With Motion JPEG video compression, the file size of video stream is extremely reduced, as to optimize the network bandwidth efficiency. It has 3X digital zoom feature for a larger space monitoring. The ICS303C comes with a IR-cut filter and 4 built-in IR illuminators for both day and night applications. Desc: The UltraMJCam ActiveX Control 'UltraMJCamX.ocx' suffers from a stack buffer overflow vulnerability when parsing large amount of bytes to several functions in UltraMJCamLib, resulting in memory corruption overwriting several registers including the SEH. An attacker can gain access to the system of the affected node and execute arbitrary code. ---------------------------------------------------------------------------------- (48d0.2e98): Access violation - code c0000005 (first chance) First chance exceptions are reported before any exception handling. This exception may be expected and handled. *** ERROR: Symbol file could not be found. Defaulted to export symbols for C:\Windows\Downloaded Program Files\UltraMJCamX.ocx - eax=41414149 ebx=00000001 ecx=00002e98 edx=02636d5b esi=41414141 edi=02636d5b eip=7796466c esp=0038ebf4 ebp=0038ec28 iopl=0 nv up ei pl zr na pe nc cs=0023 ss=002b ds=002b es=002b fs=0053 gs=002b efl=00010246 ntdll!RtlDeleteCriticalSection+0x77: 7796466c 833800 cmp dword ptr [eax],0 ds:002b:41414149=???????? ---------------------------------------------------------------------------------- Tested on: Microsoft Windows 7 Professional SP1 (EN) Vulnerabilities discovered by Gjoko 'LiquidWorm' Krstic @zeroscience Advisory ID: ZSL-2014-5214 Advisory URL: http://www.zeroscience.mk/en/vulnerabilities/ZSL-2014-5214.php 16.11.2014 --- Properties: ----------- FileDescription UltraMJCam ActiveX Control FileVersion 1, 0, 52, 23 InternalName UltraMJCamX OriginalFileName UltraMJCamX.ocx ProductName UltraMJCam device ActiveX Control ProductVersion 1, 0, 52, 23 List of members: ---------------- Interface IUltraMJCamX : IDispatch Default Interface: True Members : 65 RemoteHost RemotePort AccountCode GetConfigValue SetConfigValue SetCGIAPNAME Password UserName fChgImageSize ImgWidth ImgHeight SnapFileName AVIRecStart SetImgScale OpenFolder OpenFileDlg TriggerStatus AVIRecStatus Event_Frame PlayVideo SetAutoScale Event_Signal WavPlay CGI_ParamGet CGI_ParamSet MulticastEnable MulticastStatus SetPTUserAllow SetLanguage TimestampEnable TimestampStroke Vulnerable members of the class: -------------------------------- RemoteHost AccountCode SetCGIAPNAME Password Username SnapFileName OpenFolder CGI_ParamGet CGI_ParamSet PoC(s): ------- ---1