File: 1323.txt

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Rule:

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Sid: 1323

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Summary:
This event is generated when an attempt is made to exploit a format string vulnerability in the rwhois daemon from Network Solutions.

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Impact:
Serious. System compromize presenting the attacker with the opportunity to execute arbitrary code.

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Detailed Information:
Certain versions of rwhoisd from Network Solutions contain a programming error that allows an attacker to execute arbitrary code. The error is present when used with the Start of Authority (soa) file directive.

Referral Whois (rwhois) is a directory service used to provide information on hosts and networks connected to the internet.

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Attack Scenarios:
Exploit scripts are available

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Ease of Attack:
Simple. Exploits are available.

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False Positives:
None Known

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False Negatives:
None Known

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Corrective Action:
Upgrade to the latest non-affected version of the software.

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Contributors:
Original rule writer unknown
Sourcefire Research Team
Nigel Houghton <nigel.houghton@sourcefire.com>

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Additional References:

CVE:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2001-0838

Bugtraq:
http://www.securityfocus.com/bid/3474

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