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__________________________________________________________
The U.S. Department of Energy
Computer Incident Advisory Capability
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__________________________________________________________
INFORMATION BULLETIN
SGI ATT Packaging Utility Security Vulnerability
February 7, 1996 15:00 GMT Number G-12
_______________________________________________________________________________
PROBLEM: A problem in the ATT Packaging Utility (eoe2.sw.oampkg).
PLATFORM: All SGI systems running IRIX 5.2, 5.3, 6.0, 6.0.1, and 6.1
DAMAGE: Local and remote users can overwrite files and/or become root on
a targeted SGI system.
SOLUTION: If the packaging subsystem is installed, change permissions on
selected programs (see below). Install vendor patch when
available.
_______________________________________________________________________________
VULNERABILITY Knowledge of how to exploit this vulnerability is widely known.
ASSESSMENT:
_______________________________________________________________________________
CIAC has obtained information from Silicon Graphics Inc. describing a
vulnerability in the SGI ATT Packaging Utility (eoe2.sw.oampkg). If the package
is installed, CIAC recommends changing the permissions by following the steps
below.
[ Start SGI Security Bulletin ]
______________________________________________________________________________
Silicon Graphics Inc. Security Advisory
Title: Incorrect Permissions on Packing Subsystem
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.
*IF* the packaging subsystem is installed, the following steps can
be used to neutralize the exposure by changing permissions on select
programs of the eoe2.sw.oampkg subsystem.
There is no patch for this issue.
1) Become the root user on your system.
% /bin/su
Password:
#
2) Change the permissions on the following programs.
# /sbin/chmod 755 /usr/pkg/bin/pkgadjust
# /sbin/chmod 755 /usr/pkg/bin/abspath
3) Return to the previous user state.
# exit
%
- - -----------------------------------------
- - --- SGI Security Information/Contacts ---
- - -----------------------------------------
Past SGI Advisories and security patches can be obtained via
anonymous FTP from sgigate.sgi.com or its mirror, ftp.sgi.com.
These security patches and advisories are provided freely to
all interested parties. For issues with the patches on the
FTP sites, email can be sent to cse-security-alert@csd.sgi.com.
For assistance obtaining or working with security patches, please
contact your SGI support provider.
If there are questions about this document, email can be sent to
cse-security-alert@csd.sgi.com.
For reporting *NEW* SGI security issues, email can be sent to
security-alert@sgi.com or contact your SGI support provider. A
support contract is not required for submitting a security report.
[ End SGI Security Bulletin ]
CIAC would like to acknowledge and thank SGI for the information presented in
this bulletin.
CIAC, the Computer Incident Advisory Capability, is the computer
security incident response team for the U.S. Department of Energy (DOE) and the
National Institute of Health (NIH). CIAC is located at the Lawrence Livermore
National Laboratory in Livermore, California. CIAC is also a founding member of
FIRST, the Forum of Incident Response and Security Teams, a global organization
established to foster cooperation and coordination among computer security
teams worldwide.
CIAC services are available to DOE, DOE contractors, and the NIH. CIAC can be
contacted at:
Voice: +1 510-422-8193
FAX: +1 510-423-8002
STU-III: +1 510-423-2604
E-mail: ciac@llnl.gov
For emergencies and off-hour assistance, DOE, DOE contractor sites, and the NIH
may contact CIAC 24-hours a day. During off hours (5PM - 8AM PST), call the
CIAC voice number 510-422-8193 and leave a message, or call 800-759-7243
(800-SKY-PAGE) to send a Sky Page. CIAC has two Sky Page PIN numbers, the
primary PIN number, 8550070, is for the CIAC duty person, and the secondary
PIN number, 8550074 is for the CIAC Project Leader.
Previous CIAC notices, anti-virus software, and other information are
available from the CIAC Computer Security Archive.
World Wide Web: http://ciac.llnl.gov/
Anonymous FTP: ciac.llnl.gov (128.115.19.53)
Modem access: +1 (510) 423-4753 (28.8K baud)
+1 (510) 423-3331 (28.8K baud)
CIAC has several self-subscribing mailing lists for electronic publications:
1. CIAC-BULLETIN for Advisories, highest priority - time critical information
and Bulletins, important computer security information;
2. CIAC-NOTES for Notes, a collection of computer security articles;
3. SPI-ANNOUNCE for official news about Security Profile Inspector (SPI)
software updates, new features, distribution and availability;
4. SPI-NOTES, for discussion of problems and solutions regarding the use of
SPI products.
Our mailing lists are managed by a public domain software package called
ListProcessor, which ignores E-mail header subject lines. To subscribe (add
yourself) to one of our mailing lists, send the following request as the
E-mail message body, substituting CIAC-BULLETIN, CIAC-NOTES, SPI-ANNOUNCE or
SPI-NOTES for list-name and valid information for LastName FirstName and
PhoneNumber when sending
E-mail to ciac-listproc@llnl.gov:
subscribe list-name LastName, FirstName PhoneNumber
e.g., subscribe ciac-notes OHara, Scarlett W. 404-555-1212 x36
You will receive an acknowledgment containing address, initial PIN, and
information on how to change either of them, cancel your subscription, or
get help.
PLEASE NOTE: Many users outside of the DOE, ESnet, and NIH computing
communities receive CIAC bulletins. If you are not part of these communities,
please contact your agency's response team to report incidents. Your agency's
team will coordinate with CIAC. The Forum of Incident Response and Security
Teams (FIRST) is a world-wide organization. A list of FIRST member
organizations and their constituencies can be obtained by sending email to
docserver@first.org with an empty subject line and a message body containingt
the line: send first-contacts.
This document was prepared as an account of work sponsored by an agency of the
United States Government. Neither the United States Government nor the
University of California nor any of their employees, makes any warranty,
express or implied, or assumes any legal liability or responsibility for the
accuracy, completeness, or usefulness of any information, apparatus, product,
or process disclosed, or represents that its use would not infringe privately
owned rights. Reference herein to any specific commercial products, process,
or service by trade name, trademark, manufacturer, or otherwise, does not
necessarily constitute or imply its endorsement, recommendation or favoring by
the United States Government or the University of California. The views and
opinions of authors expressed herein do not necessarily state or reflect those
of the United States Government or the University of California, and shall not
be used for advertising or product endorsement purposes.
LAST 10 CIAC BULLETINS ISSUED (Previous bulletins available from CIAC)
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(G-4) X Authentication Vulnerability
(G-5) HP-UX FTP Vulnerability Bulletin
(G-6) Windows 95 Vulnerability
(G-7) SGI Object Server Vulnerability
(G-8) splitvt(1) Vulnerability
(G-9a) Unix sendmail Vulnerability
(G-10a) Winword Macro Viruses
(G-11) HP Syslog Vulnerability
RECENT CIAC NOTES ISSUED (Previous Notes available from CIAC)
Notes 07 - 3/29/95 A comprehensive review of SATAN
Notes 08 - 4/4/95 A Courtney update
Notes 09 - 4/24/95 More on the "Good Times" virus urban legend
Notes 10 - 6/16/95 PKZ300B Trojan, Logdaemon/FreeBSD, vulnerability
in S/Key, EBOLA Virus Hoax, and Caibua Virus
Notes 11 - 7/31/95 Virus Update, Hats Off to Administrators,
America On-Line Virus Scare, SPI 3.2.2 Released,
The Die_Hard Virus
Notes 12 - 9/12/95 Securely configuring Public Telnet Services, X Windows,
beta release of Merlin, Microsoft Word Macro Viruses,
Allegations of Inappropriate Data Collection in Win95
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