网络安全SQL注入原理攻击防御-阿里云

网络安全-SQL注入原理、攻击及防御（2）

Boolean注入攻击基于布尔判断的攻击根据前面知道有个用户名是vince。vince' and length(database())=7# 没有错误此时，条件语句where username='vince' and length(database())=7是True，也就是说数据库长...

网络安全-SQL注入原理、攻击及防御（1）

SQL注入原理程序员没有遵循代码与数据分离原则，使用户数据作为代码执行。SQL注入条件用户可以控制数据的输入。原本要运行的代码拼接了用户的输入并运行。基本知识（Mysql）注入点检测页面返回正常and 1=1--+or 1=2--+页面返回异常and 1=2--+or 1=1--+添加 sl...

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更新时间 2022-11-10 09:51:47

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