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This patch file will provide security and bug fixes to your SMF 1.1.18 forum.

File Edits

./index.php

Operation #1
Find: [Select]
* =============================================================================== *
* Software Version: SMF 1.1.18 *
Replace With: [Select]
* =============================================================================== *
* Software Version: SMF 1.1.19 *

Operation #2
Find: [Select]
$forum_version = 'SMF 1.1.18';
Replace With: [Select]
$forum_version = 'SMF 1.1.19';
Operation #3
Find: [Select]
// Register an error handler.
Replace With: [Select]
// Emit some headers for some modicum of protection against nasties.
if (!headers_sent())
{
// Future versions will make some of this configurable. This is primarily a 'safe' configuration for most cases for now.
header('X-Frame-Options: SAMEORIGIN');
header('X-XSS-Protection: 1; mode=block');
header('X-Content-Type-Options: nosniff');
}

// Register an error handler.

./Sources/Profile.php

Operation #1
Find: [Select]
* =============================================================================== *
* Software Version: SMF 1.1.11 *
Replace With: [Select]
* =============================================================================== *
* Software Version: SMF 1.1.19 *

Operation #2
Find: [Select]
// Now try to find an infection.
while (!feof($fp))
{
if (preg_match('~(iframe|\\<\\?php|\\<\\?[\s=]|\\<%[\s=]|html|eval|body|script\W)~', fgets($fp, 4096)) === 1)
{
if (file_exists($uploadDir . '/avatar_tmp_' . $memID))
@unlink($uploadDir . '/avatar_tmp_' . $memID);

fatal_lang_error('smf124');
}
}
fclose($fp);
Replace With: [Select]
// Now try to find an infection.
$prev_chunk = '';
while (!feof($fp))
{
$cur_chunk = fread($fp, 8192);

// Paranoid check. Some like it that way.
if (preg_match('~(iframe|\\<\\?|\\<%|html|eval|body|script\W|[CF]WS[\x01-\x0C])~i', $prev_chunk . $cur_chunk) === 1)
{
fclose($fp);
if (file_exists($uploadDir . '/avatar_tmp_' . $memID))
@unlink($uploadDir . '/avatar_tmp_' . $memID);

fatal_lang_error('smf124');
}

$prev_chunk = $cur_chunk;
}
fclose($fp);

Operation #3
Find: [Select]
$_POST['realName'] = trim(preg_replace('~[\s]~' . ($context['utf8'] ? 'u' : ''), ' ', $_POST['realName']));
Replace With: [Select]
$_POST['realName'] = trim(preg_replace('~[\t\n\r \x0B\0' . ($context['utf8'] ? ($context['server']['complex_preg_chars'] ? '\x{A0}\x{AD}\x{2000}-\x{200F}\x{201F}\x{202F}\x{3000}\x{FEFF}' : "\xC2\xA0\xC2\xAD\xE2\x80\x80-\xE2\x80\x8F\xE2\x80\x9F\xE2\x80\xAF\xE2\x80\x9F\xE3\x80\x80\xEF\xBB\xBF") : '\x00-\x08\x0B\x0C\x0E-\x19\xA0') . ']+~' . ($context['utf8'] ? 'u' : ''), ' ', $_POST['realName']));

./Sources/LogInOut.php

Operation #1
Find: [Select]
* =============================================================================== *
* Software Version: SMF 1.1.6 *
Replace With: [Select]
* =============================================================================== *
* Software Version: SMF 1.1.19 *

Operation #2
Find: [Select]
// Empty the cookie! (set it in the past, and for ID_MEMBER = 0)
setLoginCookie(-3600, 0);
Replace With: [Select]
// Empty the cookie! (set it in the past, and for ID_MEMBER = 0)
setLoginCookie(-3600, 0);
session_destroy();
if (!empty($ID_MEMBER))
updateMemberData($ID_MEMBER, array('passwordSalt' => '\'' . substr(md5(mt_rand()), 0, 4) . '\''));

./Sources/Register.php

Operation #1
Find: [Select]
* =============================================================================== *
* Software Version: SMF 1.1.18 *
Replace With: [Select]
* =============================================================================== *
* Software Version: SMF 1.1.19 *

Operation #2
Find: [Select]
'signature', 'personalText', 'avatar',
Replace With: [Select]
'personalText', 'avatar',
Operation #3
Find: [Select]
$_POST['realName'] = trim(preg_replace('~[\s]~' . ($context['utf8'] ? 'u' : ''), ' ', $_POST['realName']));
Replace With: [Select]
$_POST['realName'] = trim(preg_replace('~[\t\n\r \x0B\0' . ($context['utf8'] ? ($context['server']['complex_preg_chars'] ? '\x{A0}\x{AD}\x{2000}-\x{200F}\x{201F}\x{202F}\x{3000}\x{FEFF}' : "\xC2\xA0\xC2\xAD\xE2\x80\x80-\xE2\x80\x8F\xE2\x80\x9F\xE2\x80\xAF\xE2\x80\x9F\xE3\x80\x80\xEF\xBB\xBF") : '\x00-\x08\x0B\x0C\x0E-\x19\xA0') . ']+~' . ($context['utf8'] ? 'u' : ''), ' ', $_POST['realName']));

./Sources/Subs-Members.php

Operation #1
Find: [Select]
* =============================================================================== *
* Software Version: SMF 1.1.15 *
Replace With: [Select]
* =============================================================================== *
* Software Version: SMF 1.1.19 *

Operation #2
Find: [Select]
$regOptions['username'] = preg_replace('~[\t\n\r\x0B\0' . ($context['utf8'] ? ($context['server']['complex_preg_chars'] ? '\x{A0}' : pack('C*', 0xC2, 0xA0)) : '\xA0') . ']+~' . ($context['utf8'] ? 'u' : ''), ' ', $regOptions['username']);
Replace With: [Select]
$regOptions['username'] = trim(preg_replace('~[\t\n\r \x0B\0' . ($context['utf8'] ? ($context['server']['complex_preg_chars'] ? '\x{A0}\x{AD}\x{2000}-\x{200F}\x{201F}\x{202F}\x{3000}\x{FEFF}' : "\xC2\xA0\xC2\xAD\xE2\x80\x80-\xE2\x80\x8F\xE2\x80\x9F\xE2\x80\xAF\xE2\x80\x9F\xE3\x80\x80\xEF\xBB\xBF") : '\x00-\x08\x0B\x0C\x0E-\x19\xA0') . ']+~' . ($context['utf8'] ? 'u' : ''), ' ', $regOptions['username']));

./Sources/Subs-Auth.php

Operation #1
Find: [Select]
* =============================================================================== *
* Software Version: SMF 1.1.11 *
Replace With: [Select]
* =============================================================================== *
* Software Version: SMF 1.1.19 *

Operation #2
Find: [Select]
$user = trim($username);
Replace With: [Select]
$user = trim(preg_replace('~[\t\n\r \x0B\0' . ($context['utf8'] ? ($context['server']['complex_preg_chars'] ? '\x{A0}\x{AD}\x{2000}-\x{200F}\x{201F}\x{202F}\x{3000}\x{FEFF}' : "\xC2\xA0\xC2\xAD\xE2\x80\x80-\xE2\x80\x8F\xE2\x80\x9F\xE2\x80\xAF\xE2\x80\x9F\xE3\x80\x80\xEF\xBB\xBF") : '\x00-\x08\x0B\x0C\x0E-\x19\xA0') . ']+~' . ($context['utf8'] ? 'u' : ''), ' ', $username));