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bf68
V2EX    PHP

php 的注入漏洞 0xbf27

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  •   bf68 Nov 4, 2014 4557 views
    This topic created in 4195 days ago, the information mentioned may be changed or developed.
    大家是怎么过滤这些危险的
    11 replies    2014-11-05 23:47:58 +08:00
    bf68
        1
    bf68  
    OP
       Nov 4, 2014
    大神们
    raincious
        2
    raincious  
       Nov 4, 2014
    如果你遇到了这样的问题,只能说……是根本没做对。

    1、改用MySQLli或者PDO;
    2、设置正确的字符集;
    3、再不济,你也有mysql_real_escape_string()(仍然要确保字符集正确);
    4、任何尝试检查输入字符是否包含0xbf或0x27然后进行替换的行为都是……有病的。
    nilai
        3
    nilai  
       Nov 4, 2014
    宽字符注入。
    bf68
        4
    bf68  
    OP
       Nov 4, 2014
    有解决方案不大神们
    invite
        5
    invite  
       Nov 4, 2014
    变量绑定可以不?
    bf68
        6
    bf68  
    OP
       Nov 4, 2014
    @invite 你是怎么处理的,大神
    lygmqkl
        7
    lygmqkl  
       Nov 4, 2014
    php 上框架 bindValue 压根就不用考虑这个。。。。虽然有点偷懒,但是可以统一团队开发人员的效率。
    lincanbin
        8
    lincanbin  
       Nov 4, 2014
    强烈建议使用PDO
    bf68
        9
    bf68  
    OP
       Nov 4, 2014
    @lincanbin 可以具体点吗?都是刚刚接触php,谢谢
    domino
        10
    domino  
       Nov 5, 2014
    1.用mysql_set_charset函数设置连接所使用的字符集为gbk
    再调用mysql_real_escape_string来过滤用户输入。

    2.将character_set_client设置为binary(二进制)。
    只需在所有sql语句前指定一下连接的形式是二进制:
    mysql_query("character_set_client=binary", $conn);
    elvba
        11
    elvba  
       Nov 5, 2014
    二楼正解,使用PDO以及设置正确的字符集,做好输入过滤。
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