2051.txt

snort入侵检测规则文件2.4 Snort是众所周知的网络入侵检测工具

Rule:

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Sid:
2051

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Summary:
designated root directory of a web server.

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Impact:
Theft of data and important system information may be disclosed to an 
unauthorized party.

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Detailed Information:
The script handling file viewing from the vendor moreover.com contains an error that allows files outside the designated root directory to be viewed in a browser.

The script does not perform checks for the characters ".." when supplied
by a user in a URL. This allows a classic directory traversal attack to 
be performaed against the server.

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Affected Systems:
Version 1.0 from moreover.com

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Attack Scenarios:
The attacker merely needs to enter a URL using ../ to traverse the file 
system for example:
http://www.foo.com/cgi-bin/cached_feed.cgi?../../../etc/passwd

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Ease of Attack:
Simple

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False Positives:
None Known

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False Negatives:
None Known

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Corrective Action:
Upgrade to version 2.0 or later

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Contributors:
Sourcefire Research Team
Brian Caswell <[e-mail]>
Nigel Houghton <[e-mail]>

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Additional References:

Bugtraq:
http://www.securityfocus.com/bid/1762

CVE:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2000-0906

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