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Message-ID: <Pine.SGI.4.51.0306241317001.253618@einstein.csd.sgi.com>
From: agent99 at sgi.com (SGI Security Coordinator)
Subject: Multiple IPv6-Induced Bugs & Vulnerabilities on IRIX
-----BEGIN PGP SIGNED MESSAGE-----
______________________________________________________________________________
SGI Security Advisory
Title : Multiple IPv6-Induced Bugs & Vulnerabilities
Number : 20030607-01-P
Date : June 24, 2003
Reference : SGI BUGS 882266 880852 883371 879121 882124
883485 883748 884566 886352 886313
Fixed in : IRIX 6.5.21 or patch 5084
______________________________________________________________________________
SGI provides this information freely to the SGI user community for its
consideration, interpretation, implementation and use. SGI recommends that
this information be acted upon as soon as possible.
SGI provides the information in this Security Advisory on an "AS-IS" basis
only, and disclaims all warranties with respect thereto, express, implied
or otherwise, including, without limitation, any warranty of merchantability
or fitness for a particular purpose. In no event shall SGI be liable for
any loss of profits, loss of business, loss of data or for any indirect,
special, exemplary, incidental or consequential damages of any kind arising
from your use of, failure to use or improper use of any of the instructions
or information in this Security Advisory.
______________________________________________________________________________
- -----------------------
- --- Issue Specifics ---
- -----------------------
It's been reported that there are several bugs in IRIX 6.5.19 that were
caused by the extensive changes to add IPv6 capability. Some of those
bugs have security implications:
o inetd can become hung when portscanned
o snoop now runs with a reduced capability set, so it doesn't handle
packets as a root user.
There are other bugs fixed by the patches referenced herein, but they are
not security-related:
o Flood ping no response interval too long
o inetd will not start when discard lines commented out of /etc/services
o ppp spins in tight loop and never starts when configured for "quiet"
mode
o Canonical name not shown in 'ping <ip_addr>' output
o rcp "Option f is not valid"
SGI has investigated the issues and recommends the following steps for
neutralizing the exposure. It is HIGHLY RECOMMENDED that these measures be
implemented on ALL vulnerable SGI systems.
These issues have been corrected in IRIX 6.5.21, with patches and in
future releases of IRIX.
- --------------
- --- Impact ---
- --------------
The binaries involved are installed by default on IRIX 6.5.19 and later
systems. Since earlier versions of IRIX were not IPV6 capable, those
earlier versions are not vulnerable to these issues.
To determine the version of IRIX you are running, execute the following
command:
# /bin/uname -R
That will return a result similar to the following:
# 6.5 6.5.19f
The first number ("6.5") is the release name, the second ("6.5.16f" in this
case) is the extended release name. The extended release name is the
"version" we refer to throughout this document.
- ----------------------------
- --- Temporary Workaround ---
- ----------------------------
There is no effective workaround available for these problems. SGI
recommends either upgrading to IRIX 6.5.21 when available, or installing the
patch from the listing below.
- ----------------
- --- Solution ---
- ----------------
SGI has provided a patch for these vulnerabilities. Our recommendation is to
upgrade to IRIX 6.5.21 when available, or install the patch.
OS Version Vulnerable? Patch # Other Actions
---------- ----------- ------- -------------
IRIX 3.x unknown Note 1
IRIX 4.x unknown Note 1
IRIX 5.x unknown Note 1
IRIX 6.0.x unknown Note 1
IRIX 6.1 unknown Note 1
IRIX 6.2 unknown Note 1
IRIX 6.3 unknown Note 1
IRIX 6.4 unknown Note 1
IRIX 6.5 no Note 2
IRIX 6.5.1 no Note 2
IRIX 6.5.2 no Note 2
IRIX 6.5.3 no Note 2
IRIX 6.5.4 no Note 2
IRIX 6.5.5 no Note 2
IRIX 6.5.6 no Note 2
IRIX 6.5.7 no Note 2
IRIX 6.5.8 no Note 2
IRIX 6.5.9 no Note 2
IRIX 6.5.10 no Note 2
IRIX 6.5.11 no Note 2
IRIX 6.5.12 no Note 2
IRIX 6.5.13 no Note 2
IRIX 6.5.14 no Note 2
IRIX 6.5.15 no Note 2
IRIX 6.5.16 no Note 2
IRIX 6.5.17 no Note 2
IRIX 6.5.18 no Note 2
IRIX 6.5.19 yes 5084 Note 3
IRIX 6.5.20 yes 5084 Note 3
IRIX 6.5.21 no
NOTES
1) This version of the IRIX operating has been retired. Upgrade to an
actively supported IRIX operating system. See
http://support.sgi.com for more information.
2) If you have not received an IRIX 6.5.X CD for IRIX 6.5, contact your
SGI Support Provider or URL: http://support.sgi.com
3) Install the patch or upgrade to IRIX 6.5.21 when available
##### Patch File Checksums ####
The actual patch will be a tar file containing the following files:
Filename: README.patch.5084
Algorithm #1 (sum -r): 26472 9 README.patch.5084
Algorithm #2 (sum): 17982 9 README.patch.5084
MD5 checksum: A54A88861ED24BAFFE20FE20515B277F
Filename: patchSG0005084
Algorithm #1 (sum -r): 61239 4 patchSG0005084
Algorithm #2 (sum): 9540 4 patchSG0005084
MD5 checksum: 75B0873B3C3EC77F1E9EFD1BF7DD82A5
Filename: patchSG0005084.eoe_sw
Algorithm #1 (sum -r): 36068 1294 patchSG0005084.eoe_sw
Algorithm #2 (sum): 16134 1294 patchSG0005084.eoe_sw
MD5 checksum: 2B48F367C927565FDF55E38437E5EAB7
Filename: patchSG0005084.idb
Algorithm #1 (sum -r): 47598 10 patchSG0005084.idb
Algorithm #2 (sum): 41838 10 patchSG0005084.idb
MD5 checksum: 3B8083DE1BB5952FF64777F9B6250FA9
Filename: patchSG0005084.nfs_sw
Algorithm #1 (sum -r): 39633 404 patchSG0005084.nfs_sw
Algorithm #2 (sum): 48884 404 patchSG0005084.nfs_sw
MD5 checksum: 8D15654BC1B5DD1644B7DC549F7DA76D
- -------------
- --- Links ---
- -------------
SGI Security Advisories can be found at:
http://www.sgi.com/support/security/ and
ftp://patches.sgi.com/support/free/security/advisories/
SGI Security Patches can be found at:
http://www.sgi.com/support/security/ and
ftp://patches.sgi.com/support/free/security/patches/
SGI patches for IRIX can be found at the following patch servers:
http://support.sgi.com/ and ftp://patches.sgi.com/
SGI freeware updates for IRIX can be found at:
http://freeware.sgi.com/
SGI fixes for SGI open sourced code can be found on:
http://oss.sgi.com/projects/
SGI patches and RPMs for Linux can be found at:
http://support.sgi.com/
SGI patches for Windows NT or 2000 can be found at:
http://support.sgi.com/
IRIX 5.2-6.4 Recommended/Required Patch Sets can be found at:
http://support.sgi.com/ and ftp://patches.sgi.com/support/patchset/
IRIX 6.5 Maintenance Release Streams can be found at:
http://support.sgi.com/
IRIX 6.5 Software Update CDs can be obtained from:
http://support.sgi.com/
The primary SGI anonymous FTP site for security advisories and patches is
patches.sgi.com. Security advisories and patches are located under the URL
ftp://patches.sgi.com/support/free/security/
For security and patch management reasons, ftp.sgi.com (mirrors
patches.sgi.com security FTP repository) lags behind and does not do a
real-time update.
- -----------------------------------------
- --- SGI Security Information/Contacts ---
- -----------------------------------------
If there are questions about this document, email can be sent to
security-info@....com.
------oOo------
SGI provides security information and patches for use by the entire SGI
community. This information is freely available to any person needing the
information and is available via anonymous FTP and the Web.
The primary SGI anonymous FTP site for security advisories and patches is
patches.sgi.com. Security advisories and patches are located under the URL
ftp://patches.sgi.com/support/free/security/
The SGI Security Headquarters Web page is accessible at the URL:
http://www.sgi.com/support/security/
For issues with the patches on the FTP sites, email can be sent to
security-info@....com.
For assistance obtaining or working with security patches, please
contact your SGI support provider.
------oOo------
SGI provides a free security mailing list service called wiretap and
encourages interested parties to self-subscribe to receive (via email) all
SGI Security Advisories when they are released. Subscribing to the mailing
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subscribe wiretap <YourEmailAddress such as zedwatch@....com >
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------oOo------
SGI provides a comprehensive customer World Wide Web site. This site is
located at http://www.sgi.com/support/security/ .
------oOo------
If there are general security questions on SGI systems, email can be sent to
security-info@....com.
For reporting *NEW* SGI security issues, email can be sent to
security-alert@....com or contact your SGI support provider. A support
contract is not required for submitting a security report.
______________________________________________________________________________
This information is provided freely to all interested parties
and may be redistributed provided that it is not altered in any
way, SGI is appropriately credited and the document retains and
includes its valid PGP signature.
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