The ISS RealSecure Network Sensor fails to properly process certain types of DHCP traffic.

Overview

ISS RealSecure Network Sensor “informational signatures” fail to properly process certain types of DHCP traffic, thereby causing the sensor to crash.

Description

The ISS RealSecure Network Sensor fails to properly process certain types of DHCP traffic. If the sensor processes certain types of DHCP traffic, it will crash. For more information, please see <http://bvlive01.iss.net/issEn/delivery/xforce/alertdetail.jsp?id=advise116&gt;.

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Impact

An attacker can cause the sensor to stop functioning.

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Solution

Apply a vendor update.

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Vendor Information

101915

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Internet Security Systems Inc. __ Affected

Updated: March 11, 2003

Status

Affected

Vendor Statement

We have not received a statement from the vendor.

Vendor Information

The vendor has not provided us with any further information regarding this vulnerability.

Addendum

Please see <http://www.iss.net/issEn/delivery/xforce/alertdetail.jsp?id=advise116&gt;.

If you have feedback, comments, or additional information about this vulnerability, please send us [email](<mailto:[email protected]?Subject=VU%23101915 Feedback>).

CVSS Metrics

Group	Score	Vector
Base
Temporal
Environmental

References

• <http://bvlive01.iss.net/issEn/delivery/xforce/alertdetail.jsp?id=advise116&gt;
• <http://www.iss.net/products_services/enterprise_protection/rsnetwork/sensor.php&gt;
• <http://www.securityfocus.com/bid/4649&gt;

Acknowledgements

This vulnerability was discovered by ISS X-Force.

This document was written by Ian A. Finlay.

Other Information

CVE IDs:	CVE-2002-0601
Severity Metric:	4.73 Date Public: