IBM AIX FC contains buffer overflow exploitable during session setup

2002-09-16T00:00:00
ID VU:152955
Type cert
Reporter CERT
Modified 2002-12-10T23:08:00

Description

Overview

The FC client in IBM's AIX contains a buffer overflow that may cause a core dump in the client.

Description

The IBM AIX FC client allows a buffer overflow of a few bytes in the client process, which could cause intermittent core dumps during session setup. Overflowing the buffer is difficult or impossible without local, privileged access to the client.


Impact

Exploitation of this vulnerability causes the FC client to crash.


Solution

Upgrade to AIXV4

For more information, see

<http://www.ibm.com/servers/aix/>


Vendor Information

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IBM __ Affected

Notified: April 22, 2002 Updated: June 06, 2002

Status

Affected

Vendor Statement

"The commands and their arguments are not accessible by ordinary users, and it is unlikely an exploit could be crafted in any case.

"Customers who use AIX v4.3.x need only to apply APAR# 27310 to eliminate the buffer overflow."

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.

CVSS Metrics

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References

<http://archives.neohapsis.com/archives/aix/2002-q1/0009.html>

Acknowledgements

Thanks to IBM for reporting this vulnerability.

This document was written by Shawn Van Ittersum.

Other Information

CVE IDs: | None
---|---
Severity Metric: | 2.36
Date Public: | 2002-03-28
Date First Published: | 2002-09-16
Date Last Updated: | 2002-12-10 23:08 UTC
Document Revision: | 9