GEN:SID | 1:508 |
Message | MISC gopher proxy |
Summary | This event is generated when a Gopher server is used as a proxy to connect to an FTP server.
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Impact | This allows a user to assume the source IP of the Gopher server when connecting to an FTP server.
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Detailed Information | A Gopher server may support proxy connections to FTP servers. This allows a user to assume the source IP of the Gopher server when connecting to an FTP server. This may be used to bypass FTP access restrictions based on source IP's.
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Affected Systems | Any Gopher server that supports proxy connections to FTP servers.
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Attack Scenarios | A user who is normally restricted access to an FTP server based on the originating IP may attempt to circumvent this by attempting access from a Gopher server that supports proxy connections to FTP servers.
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Ease of Attack | Simple.
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Corrective Action | Disable the use of Gopher server.
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Additional References | Whitehats www.whitehats.com/info/IDS409
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Rule References | arachnids: 409
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