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Sun Solaris vulnerable to DoS when the Basic Security Module (BSM) is configured to perform auditing of specific classes

Vulnerability Note VU#901582

Original Release Date: 2004-06-28 | Last Revised: 2004-06-28

Overview

There is a vulnerability in Sun Solaris that could allow local users to cause a denial of service when the Basic Security Module (BSM) is configured to perform auditing of specific audit classes.

Description

Sun Microsystems describes the Basic Security Module (BSM) as a "security auditing subsystem and a device allocation mechanism that provides the required object reuse characteristics for removable or assignable devices." There is a vulnerability in Sun Solaris systems with BSM enabled that could allow local users to cause a system panic.

According to the Sun Security Alert:

Local unprivileged users may be able to panic Solaris systems with Basic Security Module (BSM) enabled causing a Denial of Service (DoS). This issue can only occur on systems where BSM has been configured to audit the Administrative audit class "ad" or the System-Wide Administration audit class "as".

Impact

A local unprivileged user could cause a denial-of-service condition.

Solution

Sun has issued an advisory which addresses this issue. For more information on patches available for your system, please refer to Sun Security Alert: 57497.

Vendor Information

901582
 

Sun Microsystems Inc. Affected

Updated:  June 28, 2004

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 refer to Sun Security Alert: 57497.

If you have feedback, comments, or additional information about this vulnerability, please send us email.


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References

Acknowledgements

This vulnerability was reported by Sun Microsystems Inc.

This document was written by Damon Morda.

Other Information

CVE IDs: None
Severity Metric: 3.47
Date Public: 2004-06-22
Date First Published: 2004-06-28
Date Last Updated: 2004-06-28 19:08 UTC
Document Revision: 9

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