### 简要描述:
UCenter存在多处CSRF(可备份数据、删除应用、删除管理员等)
### 详细说明:
UCenter有很多处没有判断formhash啊……都可以CSRF……
### 漏洞证明:
#1 删除应用
[<img src="https://images.seebug.org/upload/201410/041237092be706fcd977d8e19efa41a95ee44761.png" alt="1.png" width="600" onerror="javascript:errimg(this);">](https://images.seebug.org/upload/201410/041237092be706fcd977d8e19efa41a95ee44761.png)
formhash为空,成功提交
[<img src="https://images.seebug.org/upload/201410/04123730ec858aa49eeeadf19091258ad1b2d33a.png" alt="2.png" width="600" onerror="javascript:errimg(this);">](https://images.seebug.org/upload/201410/04123730ec858aa49eeeadf19091258ad1b2d33a.png)
#2 删除管理员
[<img src="https://images.seebug.org/upload/201410/0412383874612993cd9a03f5ac83536a42c54373.png" alt="3.png" width="600" onerror="javascript:errimg(this);">](https://images.seebug.org/upload/201410/0412383874612993cd9a03f5ac83536a42c54373.png)
formhash为空,成功删除
[<img src="https://images.seebug.org/upload/201410/041238491fe885f48366a00a51026efc13ea290b.png" alt="4.png" width="600" onerror="javascript:errimg(this);">](https://images.seebug.org/upload/201410/041238491fe885f48366a00a51026efc13ea290b.png)
#3 备份数据
[<img src="https://images.seebug.org/upload/201410/0412410637d7d73bf764585e5aec67b9556ca657.png" alt="5.png" width="600" onerror="javascript:errimg(this);">](https://images.seebug.org/upload/201410/0412410637d7d73bf764585e5aec67b9556ca657.png)
无formhash,目录名可控
[<img src="https://images.seebug.org/upload/201410/041241325af3f4ef84e017e7a80558edbb3733e8.png" alt="61.png" width="600" onerror="javascript:errimg(this);">](https://images.seebug.org/upload/201410/041241325af3f4ef84e017e7a80558edbb3733e8.png)
如果是windows用户,基本上就能拖下来了……
[<img src="https://images.seebug.org/upload/201410/04124234d2205b1becb1960107d673fa65bcfc09.png" alt="6.png" width="600" onerror="javascript:errimg(this);">](https://images.seebug.org/upload/201410/04124234d2205b1becb1960107d673fa65bcfc09.png)
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