Php168 v6.01 global variable coverage

Source: Internet
Author: User

By: xhming

The company. php file under the member directory!

<? Php
Require (dirname (_ FILE _). "/". "global. php ");
@ Include (dirname (_ FILE _). "/../". "php168/all_area.php ");
If ($ job = edit ){
If (! $ Lfjid ){
Showerr ("You have not logged on ");
}
$ CpDB = $ db-> get_one ("SELECT * FROM '{$ pre} memberdata_1' WHERE uid = $ lfjuid ");
If ($ step = 2 ){
Foreach ($ _ post as $ key => $ value ){
$ _ POST [$ key] = filtrate ($ value );
}
@ Extract ($ _ POST); <------------------------------------------- the problem!
If (! $ Cpname) {showerr ("enterprise name cannot be blank ");}

.......................

If (! $ CpDB ){
$ Db-> query ("insert into '{$ pre} memberdata_1' ('uid '.......................

} Else {
$ Db-> query ("UPDATE {$ pre} memberdata_1 SET cpname = .............

We can overwrite the table prefix. We cannot use single quotation marks. Otherwise, we can escalate the permission and use shell!

It would be easy to get shell in the background!

Contact Us

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to: info-contact@alibabacloud.com and provide relevant evidence. A staff member will contact you within 5 working days.

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

  • Sales Support

    1 on 1 presale consultation

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.