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php代码审计比较有意思的例子_php技巧

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2016-05-17 08:44:371283browse

代码审计比较有意思的例子
貌似是去年 ecshop支付漏洞
偶然出来的一个例子,感觉不错。分享下

复制代码 代码如下:

$a=addslashes($_GET['a']);
$b=addslashes($_GET['b']);
print_r($a.'
');
print_r($b.'
');
print_r(str_replace($a,'',$b));
//seay
?>

php代码审计比较有意思的例子_php技巧

成功转义反斜杠(\)使得单引号报错。导致注入产生。

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