Distributed GL Daemon (DGLD) allows attackers to identify IRIX systems

Overview

Attackers are using the presence of the dgld service to identify SGI IRIX systems.

Description

The CERT/CC has received multiple reports of an apparent vulnerability in the Distributed GL Daemon on SGI IRIX systems. Upon further investigation, it is our belief that no vulnerability exists in dgld. However, this activity is still significant in that it allows attackers to identify systems running IRIX, which can subsequently be attacked via vulnerabilities such as the ObjectServer (VU#16642) or df (VU#20851) vulnerabilities.

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Impact

Remote users scanning for a dgld service running port on port 5232 may be able to identify victim sites running IRIX.

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Solution

The CERT/CC does not believe that there is a vulnerability in dgld. However, sites that do not use dgld should disable it on IRIX hosts to avoid exposing information about the nature of such hosts.

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Vendor Information

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SGI __ Not Affected

Notified: May 11, 2000 Updated: December 22, 2000

Status

Not Affected

Vendor Statement

Currently, there are no known vulernabilities in dgld.

Vendor Information

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

Addendum

Scanning for dgld running on port 5232 may uniquely identify IRIX systems for subsequent attack.

If you have feedback, comments, or additional information about this vulnerability, please send us [email](<mailto:[email protected]?Subject=VU%2328027 Feedback>).

CVSS Metrics

Group	Score	Vector
Base
Temporal
Environmental

References

Acknowledgements

The CERT/CC thanks SGI for their assistance in researching this issue.

This document was written by Jeffrey P Lanza.

Other Information

CVE IDs:	CVE-2000-0893
Severity Metric:	0.14 Date Public: