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IBM AIX FC contains buffer overflow exploitable during session setup

Vulnerability Note VU#152955

Original Release Date: 2002-09-16 | Last Revised: 2002-12-10

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

152955
 
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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.


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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

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