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CERT Coordination Center

HP Tru64 UNIX "chfn" contains buffer overflow (SSRT2259)

Vulnerability Note VU#137555

Original Release Date: 2002-09-20 | Last Revised: 2002-09-20


The HP Tru64 UNIX implementation of "chfn" contains a locally exploitable buffer overflow.


A locally exploitable buffer overflow in "chfn" may permit a local attacker to gain elevated privileges and execute arbitrary code on a vulnerable host.


A local user may be able to gain elevated privileges and execute arbitrary code.


Apply a patch.

Vendor Information

Affected   Unknown   Unaffected

Hewlett-Packard Company

Updated:  August 13, 2002



Vendor Statement


Vendor Information

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


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.

CVSS Metrics

Group Score Vector
Base N/A N/A
Temporal N/A N/A
Environmental N/A



Thanks to Kevin Finisterre for reporting this vulnerability.

This document was written by Ian A Finlay & John W. Shaffer.

Other Information

CVE IDs: None
Severity Metric: 9.38
Date Public: 2002-08-01
Date First Published: 2002-09-20
Date Last Updated: 2002-09-20 13:47 UTC
Document Revision: 14

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