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CERT Coordination Center

IBM AIX portmir vulnerable to buffer overflow via echo_error

Vulnerability Note VU#433499

Original Release Date: 2001-09-26 | Last Revised: 2001-09-26


There is a buffer overflow in the IBM AIX portmir command that may allow local users to gain root privileges.


There is a buffer overflow in the echo_error routine of the IBM AIX portmir command. An attacker may be able to corrupt lock files in the "/etc/locks" directory.


While full impact of this vulnerability is not known for sure, it appears that attackers with access to a local account may be able to gain root privileges.


Apply a Patch

IBM has released patches to correct this problem. For AIX version 4.3.0, system administrators should apply APAR#IY07832.

Vendor Information

Affected   Unknown   Unaffected


Updated:  September 26, 2001



Vendor Statement

No statement is currently available from the vendor regarding this vulnerability.

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



This document was written by Cory F. Cohen.

Other Information

CVE IDs: None
Date Public: 2000-01-27
Date First Published: 2001-09-26
Date Last Updated: 2001-09-26 20:22 UTC
Document Revision: 4

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