__________________________________________________________
The U.S. Department of Energy
Computer Incident Advisory Capability
___ __ __ _ ___
/ | /_\ /
\___ __|__ / \ \___
__________________________________________________________
INFORMATION BULLETIN
SGI admin and user Program Vulnerabilities
August 27, 1996 20:00 GMT Number G-40
______________________________________________________________________________
PROBLEM: Several security vulnerabilities have been discovered in the
visual admin and user tool programs.
PLATFORM: SGI systems running IRIX versions 5.2, 5.3, 6.1, 6.2.
DAMAGE: Provided with the correct network configuration and SGI
environment, both local and remote users may be able to become
root on a targeted SGI system.
SOLUTION: Apply the patches recommended in the vendor bulletin below.
______________________________________________________________________________
VULNERABILITY This vulnerability is becoming widely known.
ASSESSMENT:
______________________________________________________________________________
[Begin SGI Bulletin]
______________________________________________________________________________
Silicon Graphics Inc. Security Advisory
Title: IRIX Visual Admin/User Programs
Number: 19960801-01-PX
Date: August 16, 1996
______________________________________________________________________________
Silicon Graphics provides this information freely to the SGI user community
for its consideration, interpretation, implementation and use. Silicon
Graphics recommends that this information be acted upon as soon as possible.
Silicon Graphics will not be liable for any indirect, special, or
consequential damages arising from the use of, failure to use or improper
use of any of the instructions or information in this Security Advisory.
______________________________________________________________________________
Several security vulnerabilities have been discovered in the the visual
admin and user tool programs used in the IRIX operating systems versions,
5.2, 5.3, 6.1 and 6.2. SGI has investigated these issues and recommends
the following steps for neutralizing the exposure. It is HIGHLY RECOMMENDED
that these measures be implemented on ALL SGI systems running IRIX versions
5.2, 5.3, 6.1 and 6.2. This issue will be corrected in future releases
of IRIX.
- --------------
- --- Impact ---
- --------------
Provided with the correct network configuration and SGI environment, both
local and remote users may be able to become root on a targeted SGI system.
- ----------------
- --- Solution ---
- ----------------
The solution for this issue is a replacement of the visual user and
administrator programs found in the IRIX operating systems versions
5.2, 5.3, 6.1 and 6.2. The following patches has been generated
for IRIX 5.2, 5.3, 6.1 and 6.2 and are freely provided to the SGI
community.
To determine if the visual admin/user software is installed on a
particular system, the following command can be used:
% versions desktop_eoe.sw.envm sysadmdesktop.sw.clients
I = Installed, R = Removed
Name Date Description
I desktop_eoe 02/12/96 IndigoMagic Desktop, 5.3
I desktop_eoe.sw 02/12/96 IndigoMagic Desktop, 5.3
I desktop_eoe.sw.envm 02/12/96 Desktop
I sysadmdesktop 02/12/96 Desktop System Administration, 5.3
I sysadmdesktop.sw 02/12/96 Desktop System Administration
Software, 5.3
I sysadmdesktop.sw.clients 02/12/96 Desktop System Administration
Client Software
In the above case, the software of concern 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.
desktop_eoe.sw.envm
sysadmdesktop.sw.clients
**** IRIX 3.x, 4.x, and 5.0.x ****
In the IRIX operating systems versions 3.x, 4.x, and 5.0.x,
the user environment and programs are different than the ones
used in later versions of IRIX. As such versions 3.x, 4.x,
and 5.0.x of IRIX do not have the security vulnerabilities
covered by this document and no further action is required.
**** IRIX 5.1.x ****
IRIX operating system version 5.1.x was a limited release version.
For the IRIX operating system version 5.1.x, an upgrade to 5.2 or
better is required first. When the upgrade is completed, then the
patches described in the following sections can be applied depending
on the final version of the upgrade.
**** IRIX 5.2 ****
For the IRIX operating system version 5.2, an inst-able patch has been
generated and made available via anonymous FTP and your service/support
provider. The patch is number 1519 and will install only on IRIX 5.2.
PLEASE NOTE: Patch 65 is also required in addition to patch 1519.
The SGI anonymous FTP site is sgigate.sgi.com (204.94.209.1) or its
mirror, ftp.sgi.com. Patches 1519 and 65 can be found in the
following directories on the FTP server:
~ftp/Security
or
~ftp/Patches/5.2
##### Checksums ####
The actual patch will be a tar file containing the following files:
Filename: patchSG0000065
Algorithm #1 (sum -r): 21651 1 patchSG0000065
Algorithm #2 (sum): 22083 1 patchSG0000065
MD5 checksum: 178E667D663FC87DE606E219439433C0
Filename: patchSG0000065.idb
Algorithm #1 (sum -r): 48983 1 patchSG0000065.idb
Algorithm #2 (sum): 36585 1 patchSG0000065.idb
MD5 checksum: C912C423521A261B42D11CF2E602C18B
Filename: patchSG0000065.sgihelp_sw
Algorithm #1 (sum -r): 10479 2415 patchSG0000065.sgihelp_sw
Algorithm #2 (sum): 17168 2415 patchSG0000065.sgihelp_sw
MD5 checksum: 449AA74F1BCEC421945C829DD06F6439
Filename: README.patch.1519
Algorithm #1 (sum -r): 64017 8 README.patch.1519
Algorithm #2 (sum): 52961 8 README.patch.1519
MD5 checksum: 93E89D3AC06665B98E250C0B8A809ADA
Filename: patchSG0001519
Algorithm #1 (sum -r): 55758 2 patchSG0001519
Algorithm #2 (sum): 57617 2 patchSG0001519
MD5 checksum: 235727BDC4FAE2DC1897FF8DDA954F6C
Filename: patchSG0001519.desktop_eoe_sw
Algorithm #1 (sum -r): 31206 82 patchSG0001519.desktop_eoe_sw
Algorithm #2 (sum): 65374 82 patchSG0001519.desktop_eoe_sw
MD5 checksum: BA9708E74288AFBB004E08CE7D7A0DCC
Filename: patchSG0001519.idb
Algorithm #1 (sum -r): 12780 8 patchSG0001519.idb
Algorithm #2 (sum): 53831 8 patchSG0001519.idb
MD5 checksum: 5904CF1725C9844FB02B31BB3D02091C
Filename: patchSG0001519.sysadmdesktop_sw
Algorithm #1 (sum -r): 01731 1687 patchSG0001519.sysadmdesktop_sw
Algorithm #2 (sum): 33557 1687 patchSG0001519.sysadmdesktop_sw
MD5 checksum: 6C18E62ABB312D2EDF503926BBDFAEB3
**** IRIX 5.3 ****
For the IRIX operating system version 5.3, an inst-able patch has been
generated and made available via anonymous FTP and your service/support
provider. The patch is number 1518 and will install only on IRIX 5.3.
The SGI anonymous FTP site is sgigate.sgi.com (204.94.209.1) or its
mirror, ftp.sgi.com. Patch 1518 can be found in the following
directories on the FTP server:
~ftp/Security
or
~ftp/Patches/5.3
##### Checksums ####
The actual patch will be a tar file containing the following files:
Filename: README.patch.1518
Algorithm #1 (sum -r): 33249 9 README.patch.1518
Algorithm #2 (sum): 338 9 README.patch.1518
MD5 checksum: 36D6B612F49DD8E109025A6AD41F2DB5
Filename: patchSG0001518
Algorithm #1 (sum -r): 53993 3 patchSG0001518
Algorithm #2 (sum): 22622 3 patchSG0001518
MD5 checksum: 1ADB33B26E86BF5BAE1D65C5B8BB4632
Filename: patchSG0001518.desktop_eoe_sw
Algorithm #1 (sum -r): 21022 101 patchSG0001518.desktop_eoe_sw
Algorithm #2 (sum): 55961 101 patchSG0001518.desktop_eoe_sw
MD5 checksum: 30EF63B7BA40E144F75ECD808E3BB5C6
Filename: patchSG0001518.idb
Algorithm #1 (sum -r): 16394 11 patchSG0001518.idb
Algorithm #2 (sum): 25741 11 patchSG0001518.idb
MD5 checksum: A34F1D7B24F9AECCF7AF91187F16909F
Filename: patchSG0001518.sysadmdesktop_sw
Algorithm #1 (sum -r): 37847 2879 patchSG0001518.sysadmdesktop_sw
Algorithm #2 (sum): 39927 2879 patchSG0001518.sysadmdesktop_sw
MD5 checksum: 0A6B5C8446748AAF9C4BD464723F22C2
**** IRIX 6.0.x ****
IRIX operating system version 6.0.x was a limited release version.
For the IRIX operating system version 6.0.x an upgrade to 6.1 or
better is required first. When the upgrade is completed, then
the patches described in the following sections can be applied
depending on the final version of the upgrade.
**** IRIX 6.1 ****
For the IRIX operating system version 6.1, an inst-able patch has been
generated and made available via anonymous FTP and your service/support
provider. The patch is number 1517 and will install only on IRIX 6.1.
The SGI anonymous FTP site is sgigate.sgi.com (204.94.209.1) or its
mirror, ftp.sgi.com. Patch 1517 can be found in the following
directories on the FTP server:
~ftp/Security
or
~ftp/Patches/6.1
##### Checksums ####
The actual patch will be a tar file containing the following files:
Filename: README.patch.1517
Algorithm #1 (sum -r): 34233 8 README.patch.1517
Algorithm #2 (sum): 52976 8 README.patch.1517
MD5 checksum: 7207358CF3D3854F4B4964853CF9CF9B
Filename: patchSG0001517
Algorithm #1 (sum -r): 22553 2 patchSG0001517
Algorithm #2 (sum): 65216 2 patchSG0001517
MD5 checksum: C1461193D43BB591F56337673A21E264
Filename: patchSG0001517.desktop_eoe_sw
Algorithm #1 (sum -r): 26837 101 patchSG0001517.desktop_eoe_sw
Algorithm #2 (sum): 10036 101 patchSG0001517.desktop_eoe_sw
MD5 checksum: B277610280445E4B14EB5925B42DBA05
Filename: patchSG0001517.idb
Algorithm #1 (sum -r): 64386 11 patchSG0001517.idb
Algorithm #2 (sum): 25466 11 patchSG0001517.idb
MD5 checksum: 261C1DA015BB251A833E6C633FEC537C
Filename: patchSG0001517.sysadmdesktop_sw
Algorithm #1 (sum -r): 15159 2860 patchSG0001517.sysadmdesktop_sw
Algorithm #2 (sum): 59057 2860 patchSG0001517.sysadmdesktop_sw
MD5 checksum: 6149BFE3C6A26316BD2BD37DD89E9AD2
**** IRIX 6.2 ****
For the IRIX operating system version 6.2, an inst-able patch has been
generated and made available via anonymous FTP and your service/support
provider. The patch is number 1516 and will install only on IRIX 6.2.
The SGI anonymous FTP site is sgigate.sgi.com (204.94.209.1) or its
mirror, ftp.sgi.com. Patch 1516 can be found in the following
directories on the FTP server:
~ftp/Security
or
~ftp/Patches/6.2
##### Checksums ####
The actual patch will be a tar file containing the following files:
Filename: README.patch.1516
Algorithm #1 (sum -r): 35151 8 README.patch.1516
Algorithm #2 (sum): 52984 8 README.patch.1516
MD5 checksum: 3CDCA2674C7AB2A8EC18CDFD37C3FBC3
Filename: patchSG0001516
Algorithm #1 (sum -r): 35036 2 patchSG0001516
Algorithm #2 (sum): 5041 2 patchSG0001516
MD5 checksum: 2E7B95E866E6D948C0F5A061201EA28D
Filename: patchSG0001516.desktop_eoe_sw
Algorithm #1 (sum -r): 43836 100 patchSG0001516.desktop_eoe_sw
Algorithm #2 (sum): 17346 100 patchSG0001516.desktop_eoe_sw
MD5 checksum: BCC29CC468C1848908A683E641CFFB38
Filename: patchSG0001516.idb
Algorithm #1 (sum -r): 08987 11 patchSG0001516.idb
Algorithm #2 (sum): 25696 11 patchSG0001516.idb
MD5 checksum: 93BCFCB015BA81D0E3B0FDDA7D9D69C9
Filename: patchSG0001516.sysadmdesktop_sw
Algorithm #1 (sum -r): 41089 2887 patchSG0001516.sysadmdesktop_sw
Algorithm #2 (sum): 30127 2887 patchSG0001516.sysadmdesktop_sw
MD5 checksum: BB84B9065C6A678A821920BEC17D2506
- ------------------------
- --- Acknowledgments ---
- ------------------------
Silicon Graphics wishes to thank Paul Walmsley, FIRST members and
CERT organizations worldwide for their assistance in this matter.
[End SGI Bulletin]
_______________________________________________________________________________
CIAC wishes to acknowledge the contributions of SGI for the
information contained in this bulletin.
_______________________________________________________________________________
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