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FIX #yogosha9083

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This commit is contained in:
Laurent Destailleur 2022-02-24 17:49:52 +01:00
parent ba3856f9e9
commit f0c5fe31f8
1 changed files with 6 additions and 6 deletions
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12
htdocs/main.inc.php
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@ -97,15 +97,15 @@ function testSqlAndScriptInject($val, $type)
//$val = preg_replace_callback('/&#(x?[0-9][0-9a-f]+;?)/i', 'realCharForNumericEntities', $val); // Sometimes we have entities without the ; at end so html_entity_decode does not work but entities is still interpreted by browser.
$val = preg_replace_callback('/&#(x?[0-9][0-9a-f]+;?)/i', function ($m) {
return realCharForNumericEntities($m); }, $val);
// We clean string because some hacks try to obfuscate evil strings by inserting non printable chars. Example: 'java(ascci09)scr(ascii00)ipt' is processed like 'javascript' (whatever is place of evil ascii char)
// We should use dol_string_nounprintableascii but function is not yet loaded/available
$val = preg_replace('/[\x00-\x1F\x7F]/u', '', $val); // /u operator makes UTF8 valid characters being ignored so are not included into the replace
// We clean html comments because some hacks try to obfuscate evil strings by inserting HTML comments. Example: on<!-- -->error=alert(1)
$val = preg_replace('/<!--[^>]*-->/', '', $val);
} while ($oldval != $val);
//print "after decoding $val\n";
// We clean string because some hacks try to obfuscate evil strings by inserting non printable chars. Example: 'java(ascci09)scr(ascii00)ipt' is processed like 'javascript' (whatever is place of evil ascii char)
// We should use dol_string_nounprintableascii but function is not yet loaded/available
$val = preg_replace('/[\x00-\x1F\x7F]/u', '', $val); // /u operator makes UTF8 valid characters being ignored so are not included into the replace
// We clean html comments because some hacks try to obfuscate evil strings by inserting HTML comments. Example: on<!-- -->error=alert(1)
$val = preg_replace('/<!--[^>]*-->/', '', $val);
$inj = 0;
// For SQL Injection (only GET are used to scan for such injection strings)
if ($type == 1 || $type == 3) {