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Message-ID: <10208071451.ZM277569@einstein.csd.sgi.com>
From: agent99 at sgi.com (SGI Security Coordinator)
Subject: BIND vulnerabilities in IRIX named
-----BEGIN PGP SIGNED MESSAGE-----
_____________________________________________________________________________
SGI Security Advisory
Title: BIND vulnerabilities
Number: 19991101-02-I
Date: August 7, 2002
Reference: SGI Security Advisory 19991101-01-I
Reference: CERT? Advisory CA-1999-14
Reference: CVE-1999-0849
Reference: CVE-1999-0851
_____________________________________________________________________________
- -----------------------
- --- Issue Specifics ---
- -----------------------
As part of on going security efforts, this is a followup to SGI
Security Advisory 19991101-01-I.
The BIND distribution provides Internet domain name service known as DNS
thru a daemon called named.
ISC and CERT have reported several vulnerabilities discovered in
certain versions of BIND distributions. These vulnerabilities can be
used to perform denial of service attacks and/or to obtain privileged
access remotely.
SGI has investigated the issue and provides the following information for
customer interpretation and possible action.
- --------------
- --- Impact ---
- --------------
SGI distributes BIND based on version 4.9.4 patchlevel 1 with IRIX 6.5,
but it is not installed by default. It is part of the package eoe.sw.named.
To determine the version of IRIX you are running, execute the following
command:
# uname -R
That will return a result similar to the following:
# 6.5 6.5.16f
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.
To see if BIND is installed, execute the following command:
% versions eoe.sw.named
I = Installed, R = Removed
Name Date Description
I eoe 12/12/2001 IRIX Execution Environment, 6.5.14f
I eoe.sw 12/12/2001 IRIX Execution Environment Software
I eoe.sw.named 12/12/2001 Berkeley Internet Name Domain Server
These vulnerabilities were reported by Internet Software Consortium (ISC):
http://www.isc.org/products/BIND/bind-security-19991108.html
These vulnerabilities were also reported by CERT(sm) in Advisory CA-1999-14:
http://www.cert.org/advisories/CA-1999-14.html
The denial of service in BIND named via maxdname was assigned CVE:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-1999-0849
The denial of service in BIND named via naptr was assigned CVE:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-1999-0851
These vulnerabilities have been publicly discussed in public Usenet
newsgroups and Internet mailing lists.
- --------------------------
- --- Temporary Solution ---
- --------------------------
Unfortunately, there are no immediate or temporary workarounds for
this issue if you need to run a local nameserver. SGI recommends either
installing the appropriate patch from the list below or upgrading to IRIX
6.5.18 when it is released.
- ----------------
- --- Solution ---
- ----------------
SGI has provided a patch for these vulnerabilities. Our recommendation is to
upgrade to IRIX 6.5.18 when available, or install the appropriate patch.
This patch updates BIND to version 4.9.8 patchlevel 1 and provides
a chroot jail option for named.
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 yes Notes 2 & 3
IRIX 6.5.1 yes Notes 2 & 3
IRIX 6.5.2 yes Notes 2 & 3
IRIX 6.5.3 yes Notes 2 & 3
IRIX 6.5.4 yes Notes 2 & 3
IRIX 6.5.5 yes Notes 2 & 3
IRIX 6.5.6 yes Notes 2 & 3
IRIX 6.5.7 yes Notes 2 & 3
IRIX 6.5.8 yes Notes 2 & 3
IRIX 6.5.9 yes Notes 2 & 3
IRIX 6.5.10 yes Notes 2 & 3
IRIX 6.5.11 yes Notes 2 & 3
IRIX 6.5.12 yes Notes 2 & 3
IRIX 6.5.13 yes 4725 Note 4
IRIX 6.5.14 yes 4725 Note 4
IRIX 6.5.15 yes 4725 Note 4
IRIX 6.5.16 yes 4725 Note 4
IRIX 6.5.17 yes 4725 Note 4
IRIX 6.5.18 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/irix/news/index.html#policy 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/irix/swupdates/
3) Upgrade to IRIX 6.5.18.
4) For best security, configure named to run in a chroot jail, per the
instructions in the named man page and the release notes supplied
with patch 4275.
##### Patch File Checksums ####
The actual patch will be a tar file containing the following files:
Filename: README.patch.4725
Algorithm #1 (sum -r): 47466 9 README.patch.4725
Algorithm #2 (sum): 18164 9 README.patch.4725
MD5 checksum: 11CB51FFF166126F98472088CB96A22B
Filename: patchSG0004725
Algorithm #1 (sum -r): 58773 5 patchSG0004725
Algorithm #2 (sum): 56317 5 patchSG0004725
MD5 checksum: 5A61B164228B241DC34DADE95337807A
Filename: patchSG0004725.eoe_man
Algorithm #1 (sum -r): 43866 39 patchSG0004725.eoe_man
Algorithm #2 (sum): 43362 39 patchSG0004725.eoe_man
MD5 checksum: 6C004F572C6A57973B23F6B940E02FC7
Filename: patchSG0004725.eoe_sw
Algorithm #1 (sum -r): 31793 411 patchSG0004725.eoe_sw
Algorithm #2 (sum): 52735 411 patchSG0004725.eoe_sw
MD5 checksum: 34D2F1E205181CBF855D882855CDCC76
Filename: patchSG0004725.idb
Algorithm #1 (sum -r): 26064 2 patchSG0004725.idb
Algorithm #2 (sum): 6527 2 patchSG0004725.idb
MD5 checksum: FFDD998D739E5646A4F010D299F69464
- ------------------------
- --- Acknowledgments ----
- ------------------------
SGI wishes to thank ISC, CERT, Solar Designer, The Openwall Project, and the
users of the Internet Community at large for their assistance in this
matter.
- -------------
- --- 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/irix/ 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/linux/ or
http://oss.sgi.com/projects/sgilinux-combined/download/security-fixes/
SGI patches for Windows NT or 2000 can be found at:
http://support.sgi.com/nt/
IRIX 5.2-6.4 Recommended/Required Patch Sets can be found at:
http://support.sgi.com/irix/ and ftp://patches.sgi.com/support/patchset/
IRIX 6.5 Maintenance Release Streams can be found at:
http://support.sgi.com/colls/patches/tools/relstream/index.html
IRIX 6.5 Software Update CDs can be obtained from:
http://support.sgi.com/irix/swupdates/
The primary SGI anonymous FTP site for security advisories and patches is
patches.sgi.com (216.32.174.211). 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 (216.32.174.211). 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------
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------oOo------
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located at http://www.sgi.com/support/security/ .
------oOo------
If there are general security questions on SGI systems, email can be sent to
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______________________________________________________________________________
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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