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Message-ID: <Pine.SGI.4.44.0301061624280.172548-100000@einstein.csd.sgi.com>
From: agent99 at sgi.com (SGI Security Coordinator)
Subject: Multiple Vulnerabilities in Sendmail on IRIX
-----BEGIN PGP SIGNED MESSAGE-----
______________________________________________________________________________
SGI Security Advisory
Title : Multiple Vulnerabilities in Sendmail
Number : 20030101-01-P
Date : January 6, 2003
Reference: CVE CAN-2002-1165
Reference: iDEFENSE Security Advisory 10.01.02
Reference: SGI BUG 869098 875386
Fixed in : IRIX 6.5.19 or patch 4911
______________________________________________________________________________
- -----------------------
- --- Issue Specifics ---
- -----------------------
This bulletin addresses two vulnerabilities that exist in SGI supplied
versions of sendmail:
o sendmail's smrsh restrictions can be bypassed by a local user, possibly
gaining root access. See the following URLs for additional information:
http://www.idefense.com/advisory/10.01.02.txt
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2002-1165
o sendmail's "check_relay" for IP addresses can be circumvented using bogus
DNS data
http://www.sendmail.org/ has more details in "Recent News (2002-Dec-03)"
SGI has investigated the issue 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 with a patch and in future releases of IRIX.
- --------------
- --- Impact ---
- --------------
The sendmail binary is installed by default on IRIX 6.5 systems as part of
eoe.sw.base.
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 6.5.16f
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.
- ----------------------------
- --- Temporary Workaround ---
- ----------------------------
There is no effective workaround available for these problems. SGI
recommends either upgrading to IRIX 6.5.19 when released, or installing the
appropriate patch from the listing below.
- ----------------
- --- Solution ---
- ----------------
SGI has provided a series of patches for these vulnerabilities. Our
recommendation is to upgrade to IRIX 6.5.19 when available, or install the
appropriate 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 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 Notes 2 & 3
IRIX 6.5.14 yes Notes 2 & 3
IRIX 6.5.15 yes 4911 Notes 2, 4 & 5
IRIX 6.5.16 yes 4911 Notes 2, 4 & 5
IRIX 6.5.17 yes 4911 Notes 2, 4 & 5
IRIX 6.5.18 yes 4911 Notes 2, 4 & 5
IRIX 6.5.19 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 6.5.15 or later and install the patch, or upgrade to
IRIX 6.5.19 when released.
4) Install patch 4911
5) You should also use the workarounds noted in SGI Security Advisory
20011101-01-I
##### Patch File Checksums ####
The actual patch will be a tar file containing the following files:
Filename: README.patch.4911
Algorithm #1 (sum -r): 61910 9 README.patch.4911
Algorithm #2 (sum): 20270 9 README.patch.4911
MD5 checksum: A17D14BFA5F90FB15612ED6C4C2452A0
Filename: patchSG0004911
Algorithm #1 (sum -r): 47298 4 patchSG0004911
Algorithm #2 (sum): 2490 4 patchSG0004911
MD5 checksum: 77AEB2FAD0161065A42C3CF880414925
Filename: patchSG0004911.eoe_src
Algorithm #1 (sum -r): 02599 40 patchSG0004911.eoe_src
Algorithm #2 (sum): 47170 40 patchSG0004911.eoe_src
MD5 checksum: A1427ED806F47C55D60FE10FD2D0E922
Filename: patchSG0004911.eoe_sw
Algorithm #1 (sum -r): 48824 56 patchSG0004911.eoe_sw
Algorithm #2 (sum): 34470 56 patchSG0004911.eoe_sw
MD5 checksum: 544374A0E0ECA1BFB47089381A11DCEB
Filename: patchSG0004911.idb
Algorithm #1 (sum -r): 06347 2 patchSG0004911.idb
Algorithm #2 (sum): 63701 2 patchSG0004911.idb
MD5 checksum: C37AF4EF79201B7F9F6CD516A54D2C1C
- ------------------------
- --- Acknowledgments ----
- ------------------------
SGI wishes to thank iDEFENSE, sendmail.org 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------
SGI provides a free security mailing list service called wiretap and
encourages interested parties to self-subscribe to receive (via email) all
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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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