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CERT(sm) Vendor-Initiated Bulletin VB-96.02
February 1, 1996
Topic: Incorrect Permissions on Packing Subsystem
Source: Silicon Graphics, Inc.
To aid in the wide distribution of essential security information, the CERT
Coordination Center is forwarding the following information from Silicon
Graphics, Inc. (SGI), who urges you to act on this information as soon as
possible. SGI contact information is included in the forwarded text
below; please contact them if you have any questions or need further
information.
========================FORWARDED TEXT STARTS HERE============================
______________________________________________________________________________
Silicon Graphics Inc. Security Advisory
Number: 19960102-01-P
Date: January 29, 1996
______________________________________________________________________________
Silicon Graphics provides this information freely to the SGI community
for its consideration, interpretation and implementation. Silicon Graphics
recommends that this information be acted upon as soon as possible.
Silicon Graphics will not be liable for any consequential damages
arising from the use of, or failure to use or use properly, any of the
instructions or information in this Security Advisory.
______________________________________________________________________________
Silicon Graphics has discovered a security vulnerability within the
"ATT Packaging Utility" (eoe2.sw.oampkg) subsystem available for the
IRIX operating system. SGI has investigated this issue and recommends
the following steps for neutralizing the exposure. It is HIGHLY RECOMMENDED
that these measures be implemented on ALL SGI systems running IRIX 5.2, 5.3,
6.0, 6.0.1, 6.1. This issue has been corrected for future releases of
IRIX.
- --------------
- --- Impact ---
- --------------
The "ATT Packaging Utility" (eoe2.sw.oampkg) subsystem is not installed
as part of the standard IRIX operating system. It is optionally installed
when manually selected to be installed when using the IRIX inst program.
Therefore, not all SGI systems will have this subsystem installed.
For those systems that the subsystem installed, both local and remote
users may be able to overwrite files and/or become root on a targeted SGI
system.
- ----------------
- --- Solution ---
- ----------------
To determine if the packaging system is installed on a particular system,
the following command can be used:
% versions eoe2.sw.oampkg | grep oampkg
I eoe2.sw.oampkg 03/25/94 ATT Packaging Utility
%
In the above case, the packaging system is installed and the steps
below should be performed. If no output is returned by the command,
the subsystem is not installed and no further action is required.