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 2006.
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 representative.
I. DescriptionPrevious versions, except AIX 3.2, of the UUCP software contained incorrectly configured versions of various files.
II. ImpactLocal users can execute unauthorized commands and gain unauthorized root access.
- If allowing users access to the uucp isn't necessary, disable it.
% chmod 0100 /usr/bin/uucp
- Obtain the fix from IBM Support.
Install the fix following the instructions in the README file.
The CERT/CC would like to thank Steve Knodle, Clarkson University, for bringing this security vulnerability to our attention.
Copyright 1992 Carnegie Mellon University.
September 19,1997 Attached copyright statement