从 "or"="or" 漏洞安全检测到修复手法-优快云博客

本文链接：https://blog.youkuaiyun.com/haimaa/article/details/83465369

实施修复，方法有很多在这里介绍两种，咱们使用第2种
方法1: Replace过滤字符
解决方法:查找login.asp下的<from找到下边的类似

username=request.Form("name")
pass=request.Form("pass")

修改为：

username=Replace(request.Form("name"), "’", "’’")
pass=Replace(request.Form("pass"), "’", "’’")

语法是屏蔽’和’’字符来达到效果.

方法2：在conn.asp 内加入
   注：（前提登陆页面有）

   把以下代码保存为safe.asp

http://www.xinwanglu.cn

qq:11422265

下面是程序代码********************************************************

<%
Dim Query_Badword,Form_Badword,i,Err_Message,Err_Web,name
Err_Message = 3
Err_Web = "safe.htm"
’出错时转向的页面

Query_Badword="’|and|select|update|chr|delete|%20from|;|insert|mid|master.|set|chr(37)|="
’在这部份定义get非法参数,使用"|"号间隔

Form_Badword="’|(|)|;|="
’在这部份定义post非法参数,使用"|"号间隔

On Error Resume Next

if request.QueryString<>"" then
Chk_badword=split(Query_Badword,"|")
FOR EACH Query_Name IN Request.QueryString
for i=0 to ubound(Chk_badword)
If Instr(LCase(request.QueryString(Query_Name)),Chk_badword(i))<>0 Then
Select Case Err_Message
Case "1"
Response.Write "<Script Language=JavaScript>alert(’传参错误！参数 "&name&" 的值中包含非法字符串！\n\n请不要在参数中出现：and update delete ; insert mid master 等非法字符！’);window.close();</Script>"
Case "2"
Response.Write "<Script Language=JavaScript>location.href=’"&Err_Web&"’</Script>"
Case "3"
Response.Write "<Script Language=JavaScript>alert(’传参错误！参数 "&name&"的值中包含非法字符串！\n\n请不要在参数中出现：and update delete ; insert mid master 等非法字符！’);location.href=’"&Err_Web&"’;</Script>"
End Select
Response.End
End If
NEXT
NEXT
End if
if request.form<>"" then
Chk_badword=split(Form_Badword,"|")
FOR EACH name IN Request.Form
for i=0 to ubound(Chk_badword)
If Instr(LCase(request.form(name)),Chk_badword(i))<>0 Then
Select Case Err_Message
Case "1"
Response.Write "<Script Language=JavaScript>alert(’出错了！表单 "&name&" 的值中包含非法字符串！\n\n你的非法操作已记录,请马上停止非法行为！’);window.close();</Script>"
Case "2"
Response.Write "<Script Language=JavaScript>location.href=’"&Err_Web&"’</Script>"
Case "3"
Response.Write "<Script Language=JavaScript>alert(’唐山味儿不浓告诉您出错了！参数 "&name&"的值中包含非法字符串！\n\谢谢您光临！,请停止非法行为！’);location.href=’"&Err_Web&"’;</Script>"
End Select
Response.End
End If
NEXT
NEXT
end if
%>