1777.txt

来自「This is the snapshot of Snot Latest Rule」· 文本 代码 · 共 58 行

Rule:  

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Sid:
1777
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Summary:
This rule detects an attacker executing the STAT command along with file globbing character '*'. This affects Cisco equipment and Microsoft's IIS 4.0, 5.0, and 5.1. 

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Impact:
Severe; this vulnerablity is remotely exploitable, and is present on systems that are widely deployed.
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Detailed Information:
This rule detects an attacker executing the STAT command along with file globbing character '*'.  There is a vulnerability in Microsofts IIS 4.0, 5.0, and 5.1 servers,  that causes the service to crash once it receives the STAT command along with a large number of file globbing characters.  

VisNetic and Titan FTP servers are also vulnerable to an attack which can present the attacker with the opportunity to break out of the ftp root directory using this command.

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Affected Systems:
Microsoft Internet Information Server 4, 5 and 5.1
Some versions of Cisco equipment
VisNetic FTP Server
Titan FTP Server

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Attack Scenarios:
An attacker logs into a vulnerable hosts and executes the STAT command with multiple file globbing characters.  This would cause the service to crash.

The attacker may also use Nessus to scan for a vulnerable server.

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Ease of Attack:
The attack can be executed with relative ease.
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False Positives:
None known to date
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False Negatives:
None known to date.
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Corrective Action:
Microsoft has released a IIS Security Roll-up Package that addresses this issue.  The Roll-up package can be found at: 
http://www.microsoft.com/ntserver/nts/downloads/security/q319733/default.asp 
More information on this package can be found at: 
http://www.microsoft.com/technet/treeview/default.asp?url=/technet/security/bulletin/MS02-018.asp
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Contributors:
Sourcefire Vulnerability Research Team
[e-mail]
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Additional References:
http://www.microsoft.com/technet/treeview/default.asp?url=/technet/security/bulletin/MS02-018.asp
http://www.microsoft.com/ntserver/nts/downloads/security/q319733/default.asp


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