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RealNetworks RealGames StubbyUtil.ProcessMgr.1 ActiveX Control (InstallerDlg.dll v2.6.0.445) Multiple Remote Commands Execution Vulnerabilities tested against Internet Explorer 9, Vista sp2 download url: http://www.gamehouse.com/ background: When choosing to play with theese online games ex. the game called "My Farm Life" (see url: http://www.gamehouse.com/download-games/my-farm-life ) you download an installer called GameHouse-Installer_am-myfarmlife_gamehouse_.exe This setup program installs an ActiveX with the following settings: CLSID: {5818813E-D53D-47A5-ABBB-37E2A07056B5} Progid: StubbyUtil.ProcessMgr.1 Binary Path: C:\Program Files\RealArcade\Installer\bin\InstallerDlg.dll Safe For Initialization (Registry): True Safe For Scripting (Registry): True This control is safe for scripting and safe for initialization, so Internet Explorer will allow scripting of this control from remote. vulnerability: This control has four methods implemented insecurely: CreateVistaTaskLow()-> allows to launch arbitrary commands Exec()-> allows to launch arbitrary commands ExecLow() -> allows to launch arbitrary commands ShellExec() -> allows to launch arbitrary executables other attacks are possible , see typelib: class IProcessMgr { /* GUID={860450DB-79C1-44E4-96E0-C89144E4B444} */ /* DISPID=1610612736 */ function QueryInterface( /* VT_PTR [26] [in] --> ? [29]*/ &$riid, /* VT_PTR [26] [out] --> VT_PTR [26]*/ &$ppvObj ) { } /* DISPID=1610612737 */ /* VT_UI4 [19] */ function AddRef( ) { } /* DISPID=1610612738 */ /* VT_UI4 [19] */ function Release( ) { } /* DISPID=1610678272 */ function GetTypeInfoCount( /* VT_PTR [26] [out] --> VT_UINT [23]*/ &$pctinfo ) { } /* DISPID=1610678273 */ function GetTypeInfo( /* VT_UINT [23] [in] */ $itinfo, /* VT_UI4 [19] [in] */ $lcid, /* VT_PTR [26] [out] --> VT_PTR [26]*/ &$pptinfo ) { } /* DISPID=1610678274 */ function GetIDsOfNames( /* VT_PTR [26] [in] --> ? [29]*/ &$riid, /* VT_PTR [26] [in] --> VT_PTR [26]*/ &$rgszNames, /* VT_UINT [23] [in] */ $cNames, /* VT_UI4 [19] [in] */ $lcid, /* VT_PTR [26] [out] --> VT_I4 [3]*/ &$rgdispid ) { } /* DISPID=1610678275 */ function Invoke( /* VT_I4 [3] [in] */ $dispidMember, /* VT_PTR [26] [in] --> ? [29]*/ &$riid, /* VT_UI4 [19] [in] */ $lcid, /* VT_UI2 [18] [in] */ $wFlags, /* VT_PTR [26] [in] --> ? [29]*/ &$pdispparams, /* VT_PTR [26] [out] --> VT_VARIANT [12]*/ &$pvarResult, /* VT_PTR [26] [out] --> ? [29]*/ &$pexcepinfo, /* VT_PTR [26] [out] --> VT_UINT [23]*/ &$puArgErr ) { } /* DISPID=1 */ /* VT_BOOL [11] */ function Exec( /* VT_PTR [26] [in] --> VT_BSTR [8]*/ &$mod, /* VT_PTR [26] [in] --> VT_BSTR [8]*/ &$cmdline, /* VT_BOOL [11] [in] */ $__MIDL_0097, /* VT_BOOL [11] [in] */ $__MIDL_0098, /* VT_PTR [26] [in] --> VT_BSTR [8]*/ &$__MIDL_0099 ) { /* method Exec */ } /* DISPID=2 */ /* VT_BOOL [11] */ function IsFinished( ) { } /* DISPID=3 */ /* VT_UI4 [19] */ function CreateNamedMutex( /* VT_BSTR [8] [in] */ $__MIDL_0102 ) { } /* DISPID=4 */ function ReleaseMutex( /* VT_UI4 [19] [in] */ $__MIDL_0104 ) { } /* DISPID=5 */ function CloseMutex( /* VT_UI4 [19] [in] */ $__MIDL_0105 ) { } /* DISPID=6 */ /* VT_BOOL [11] */ function ObtainMutex( /* VT_UI4 [19] [in] */ $__MIDL_0106 ) { } /* DISPID=7 */ /* VT_BOOL [11] */ function WaitOnMutex( /* VT_UI4 [19] [in] */ $__MIDL_0108, /* VT_INT [22] [in] */ $__MIDL_0109 ) { } /* DISPID=8 */ function CloseEvent( /* VT_UI4 [19] [in] */ $__MIDL_0111 ) { } /* DISPID=9 */ function FireEvent( /* VT_UI4 [19] [in] */ $__MIDL_0112 ) { } /* DISPID=10 */ /* VT_UI4 [19] */ function CreateNamedEvent( /* VT_BSTR [8] [in] */ $__MIDL_0113 ) { } /* DISPID=11 */ /* VT_UI4 [19] */ function ExitCode( ) { } /* DISPID=12 */ function CreateVistaTaskLow( /* VT_BSTR [8] [in] */ $bstrExecutablePath, /* VT_BSTR [8] [in] */ $bstrArguments, /* VT_BSTR [8] [in] */ $workDir ) { } /* DISPID=13 */ /* VT_BOOL [11] */ function ExecLow( /* VT_BSTR [8] [in] */ $__MIDL_0116, /* VT_BSTR [8] [in] */ $cmdline, /* VT_PTR [26] [in] --> VT_BSTR [8]*/ &$workDir ) { } /* DISPID=14 */ function ShellExec( /* VT_BSTR [8] [in] */ $__MIDL_0117 ) { } /* DISPID=15 */ function Sleep( /* VT_UI4 [19] [in] */ $__MIDL_0118 ) { } } binary info: >lm -vm Image path: C:\Program Files\RealArcade\Installer\bin\InstallerDlg.dll Image name: InstallerDlg.dll Timestamp:Mon Mar 14 14:22:44 2011 (4D7E6B04) CheckSum: 00000000 ImageSize:00064000 File version: 2.6.0.445 Product version:2.6.0.445 File flags: 0 (Mask 3F) File OS:4 Unknown Win32 File type:2.0 Dll File date:00000000.00000000 Translations: 0409.04b0 ProductName:InstallerDlg Module InternalName: InstallerDlg OriginalFilename: InstallerDlg.dll ProductVersion: 2.6.0.445 FileVersion:2.6.0.445 FileDescription:InstallerDlg Module LegalCopyright: Copyright 2010 poc: pocs availiable here: http://retrogod.altervista.org/9sg_realgames_ii.html https://gitlab.com/exploit-database/exploitdb-bin-sploits/-/raw/main/bin-sploits/35560-2.zip (9sg_StubbyUtil.ProcessMgr.1.zip) |
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