| 1 | <?php |
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| 2 | /* |
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| 3 | Plugin Name: PHP Floating Point DoS Attack Workaround |
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| 4 | Version: 0.1 |
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| 5 | Plugin URI: http://core.trac.wordpress.org/ticket/16097 |
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| 6 | Description: Prevents 32-bit PHP version from hanging when processing a request with 2.2250738585072011e-308 value. |
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| 7 | Author: AirCraft24.com, Sergey Biryukov |
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| 8 | */ |
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| 9 | |
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| 10 | if ( $_REQUEST ) { |
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| 11 | while ( list( $key, $value ) = each( $_REQUEST ) ) { |
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| 12 | $value = str_replace( '.', '', $value ); |
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| 13 | if ( preg_match( '/22250738585072011[0]*e/i', $value ) ) { |
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| 14 | unset( $_REQUEST[$key] ); |
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| 15 | unset( $_GET[$key] ); |
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| 16 | unset( $_POST[$key] ); |
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| 17 | unset( $_COOKIE[$key] ); |
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| 18 | $GLOBALS[$key] = ''; |
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| 19 | } |
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| 20 | } |
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| 21 | reset( $_REQUEST ); |
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| 22 | } |
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| 23 | ?> |
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