HP Tru64 UNIX "su" command vulnerable to buffer overflow

Overview

The Hewlett Packard Tru64 “su” command contains a locally exploitable buffer overflow. An exploit for this vulnerability is known to exist and may be circulating.

Description

The Hewlett Packard Tru64 operating system contains a command, known as “su,” that allows users to assume the privileges of another user. This program is vulnerable to a buffer overflow.

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Impact

This vulnerability can be exploited by local non-root users on a machine to cause a denial-of-service condition, or assume the privileges of the root user.

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Solution

Hewlett Packard has issued a patch that corrects this vulnerability. More information can be found here.

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Vendor Information

229867

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Updated: August 12, 2002

Status

Affected

Vendor Statement

See <http://ftp.support.compaq.com/patches/public/Readmes/unix/t64v51b19-c0136900-14951-es-20020730.README&gt;.

Vendor Information

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

Addendum

The CERT/CC has no additional comments at this time.

If you have feedback, comments, or additional information about this vulnerability, please send us [email](<mailto:[email protected]?Subject=VU%23229867 Feedback>).

CVSS Metrics

Group	Score	Vector
Base
Temporal
Environmental

References

• <http://www.securityfocus.com/bid/5272&gt;
• <http://ftp.support.compaq.com/patches/public/Readmes/unix/duv40fb18-c0067403-14947-es-20020730.README&gt;

Acknowledgements

This document was written by Ian A Finlay.

Other Information

CVE IDs:	CVE-2002-0816
Severity Metric:	18.75 Date Public: