AIX uucp Vulnerability
Original issue date: March 19,1992
Last revised: September 19, 1997
Attached copyright statement
A complete revision history is at the end of this file.
The Computer Emergency Response Team/Coordination Center (CERT/CC) has
received information concerning a vulnerability with the UUCP software
in versions of AIX up to 2007. The vulnerability does not exist in AIX 3.2.
IBM is aware of this problem, and a fix is available as apar number
"ix18516". This patch is available for all AIX releases from GOLD to
The fix is in the 2007 update and 3.2 release of AIX. IBM customers may
call IBM Support (800-237-5511) and ask that the fix be shipped to them.
Patches may be obtained outside the U.S. by contacting your local IBM
Previous versions, except AIX 3.2, of the UUCP software contained
incorrectly configured versions of various files.
Local users can execute unauthorized commands and gain unauthorized
The CERT/CC would like to thank Steve Knodle, Clarkson University, for
bringing this security vulnerability to our attention.
This document is available from:
CERT/CC Contact Information
Phone: +1 412-268-7090 (24-hour hotline)
Fax: +1 412-268-6989
CERT Coordination Center
Software Engineering Institute
Carnegie Mellon University
Pittsburgh PA 15213-3890
CERT/CC personnel answer the hotline 08:00-17:00 EST(GMT-5) / EDT(GMT-4)
Monday through Friday; they are on call for emergencies during other
hours, on U.S. holidays, and on weekends.
We strongly urge you to encrypt sensitive information sent by
email. Our public PGP key is available from
If you prefer to use DES, please call the CERT hotline for more
Getting security information
CERT publications and other security information are available from
our web site
* "CERT" and "CERT Coordination Center" are registered in the U.S. Patent and Trademark Office.
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Copyright 1992 Carnegie Mellon University.
September 19,1997 Attached copyright statement