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干货:PHP漏洞全解-跨网站请求伪造

CSRF (Cross Site Request Forgeries),意为跨网站请求伪造,也有写为XSRF。攻击者伪造目标用户的HTTP请求,然后此请求发送到有CSRF漏洞的网站,网站执行此请 求后,引发跨站请求伪造攻击。攻击者利用隐蔽的HTTP连接,让目标用户在不注意的情况下单击这个链接,由于是用户自己点击的,而他又是合法用户拥有合法 权限,所以目标用户能够在网站内执行特定的HTTP链接,从而达到攻击者的目的。

例如:某个购物网站购买商品时,采用,item参数确定要购买什么物品,num参数确定要购买数量,如果攻击者以隐藏的方式发送给目标用户链接,那么如果目标用户不小心访问以后,购买的数量就成了1000个

实例

随缘网络PHP留言板V1.0

任意删除留言

//delbook.php 此页面用于删除留言

include_once(“dlyz.php”); //dlyz.php用户验证权限,当权限是admin的时候方可删除留言

include_once(“../conn.php”);

$del=$_GET[“del”];

$id=$_GET[“id”];

if ($del==”data”)

{

$ID_Dele= implode(“,”,$_POST[‘adid’]);

$ sql =”delete from book where id in (“.$ID_Dele.”)”;

mysql_query($sql);

}

else

{

$sql=”delete from book where id=”.$id; //传递要删除的留言ID

mysql_query($sql);

}

mysql_close($conn);

echo “”;

echo “alert(‘删除成功!’);”;

echo ” location=’book.php’;”;

echo “”;

?>

当我们具有admin权限,提交 时,就会删除id为2的留言

<iframe allowfullscreen=”true” allowtransparency=”true” frameborder=”0″ height=”60″ hspace=”0″ id=”aswift_1″ marginheight=”0″ marginwidth=”0″ name=”aswift_1″ scrolling=”no” style=”margin: 0px; padding: 0px; border-width: 0px; vertical-align: baseline; left: 0px; position: absolute; top: 0px;” vspace=”0″ width=”468″></iframe>利用方法:

我们使用普通用户留言(源代码方式),内容为

“delbook.php?id=2” />

“delbook.php?id=3” />

“delbook.php?id=4” />

“delbook.php?id=5” />

除此之外,

详解怎么在 eclipse 中设置svn提交快捷键

在eclipse中设置svn提交快捷键

关键字: eclipse svn subclipse hot key 做开发免不了要向代码库提交代码。我目前使用svn来管理自己的代码, ide 使用eclipse,所以使用subclipse这个plugin来作为代码提交工具。每次提交代码的时候通常是这么一个步骤,在编辑器里保存java代码,然后鼠标移到左侧的文件导航窗口,选中当前更改的java代码,右击,弹出菜单中选择team,然后在打开的子菜单中选择“提交”,是不是很烦人?有没有快一点的办法?

这时候你肯定想到了快捷键,没错是它。在eclipse中

菜单Window>Preferences

在打开对话框中过滤输入中输入keys

在列表中将title为category的列点一下做个排序

找到svn大类

看到了吧,svn很多command,比如更新锁定提交等等,binding这一栏都是空的,也就是说需要你来设置快捷键

在Binding输入栏中按下你希望的快捷键,比如ctrl+`

When这一拦选择in windows

在windows–Customize Perspective–Command Groups Availability

选择svn

2.

集中化的版本控制系统通常采用两种方式:

  • 有些提供了文件锁来防止多个用户的并行访问。这些系统对文件进行加锁,这样在某个时间只有一个开发人员对中心仓库具有写入权限。

  • 另外一些工具,例如 CVS ,允许多个开发人员同时对相同的文件进行编辑,并提供了一些机制稍后合并这些修改。

流行的版本控制系统包括:

  • CVS

  • Subversion

  • Arch

  • Bazaar

  • BitKeeper

什么是 Git

非常简单地说,Git 是 Linus Torvalds 最近实现的源代码管理软件。正如所提供的文档中说的一样,“Git 是一个快速、可扩展的分布式版本控制系统,它具有极为丰富的命令集,对内部系统提供了高级操作和完全访问。”

Torvalds 开始着手开发 Git 是为了作为一种过渡方案来替代 BitKeeper,后者之前一直是 Linux 内核开发人员在全球使用的主要源代码工具。开放源码社区中的有些人觉得 BitKeeper 的许可证并不适合开放源码社区的工作,因此 Torvalds 决定着手研究许可证更为灵活的版本控制系统。尽管最初 Git 的开发是为了辅助 Linux 内核开发的过程,但是我们已经发现在很多其他自由软件项目中也使用了 Git。例如,X.org 最近就迁移到 Git 上来了,很多 Freedesktop.org 的项目也迁移到了 Git 上。

Git 目前主要由寻找 CVS 或专有代码管理解决方案替代物的软件开发人员所使用。Git 与 CVS 有很多区别:

  • 分支更快、更容易。

  • 支持离线工作;本地提交可以稍后提交到服务器上。

  • Git 提交都是原子的,且是整个项目范围的,而不像 CVS 中一样是对每个文件的。

  • Git 中的每个工作树都包含一个具有完整项目历史的仓库。

  • 没有哪一个 Git 仓库会天生比其他仓库更重要。

干货:PHP漏洞全解-跨网站请求伪造

文章来源:智云一二三科技

文章标题:干货:PHP漏洞全解-跨网站请求伪造

文章地址:https://www.zhihuclub.com/79246.shtml

关于作者: 智云科技

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