Anon Proxy Server - Remote Code Execution

2007.12.20

Credit: Michael Brooks

Risk: High

Local: No

Remote: Yes

CVE: CVE-2007-6459

CWE: CWE-94

Ogólna skala CVSS: 6.8/10

Znaczenie: 6.4/10

Łatwość wykorzystania: 8.6/10

Wymagany dostęp: Zdalny

Złożoność ataku: Średnia

Autoryzacja: Nie wymagana

Wpływ na poufność: Częściowy

Wpływ na integralność: Częściowy

Wpływ na dostępność: Częściowy

By Michael Brooks

Vulnerability type: Multiple Remote System commands execution.

Software: Anon Proxy Server

Home page:http://sourceforge.net/projects/anonproxyserver/

Affects version: 0.100

Example exploit:

http://127.0.0.1/anon_proxy_server_0.100/diagdns.php?host=google.com%5C%
27+%26%26+cat+%2Fetc%2Fpasswd+%23

A virtually identical flaw exists in diagconnect.php however it takes longer to execute.

Anon Proxy Server forces magic_quotes_gpc=on,  However magic_quotes_gpc does not protect the system()  function from taint.  For protection you should use the escapeshellarg() function. Removing diagdns.php and diagconnect.php is the best temporary solution.  Also magic_quotes_gpc is being removed in php6,  so Anon Proxy Server will have to revamp there security.

Peace

See this note in RAW Version

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Anon Proxy Server - Remote Code Execution

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