-----BEGIN PGP SIGNED MESSAGE-----
______________________________________________________________________________
SGI Security Advisory
Title: Sun RPC xdr_array vulnerability
Number: 20020801-01-P
Date: August 16, 2002
Reference: CERTŪ CA-2002-25
Reference: SGI Security Advisory 20020801-01-A
Reference: CAN-2002-0391
______________________________________________________________________________
- -----------------------
- --- Issue Specifics ---
- -----------------------
This is a followup to SGI Security Bulletin 20020801-01-A.
It's been reported that there is a buffer overflow vulnerability in the Sun
RPC functions supplied with the IRIX 6.5 operating system.
The portmapper, NFS and NIS RPC services do NOT use the relevant RPC XDR
functions in libc in a manner that makes them vulnerable. But other RPC
services from IRIX, third-parties, freeware, etc. might use XDR functions.
See http://www.cert.org/advisories/CA-2002-25.html and
http://bvlive01.iss.net/issEn/delivery/xforce/alertdetail.jsp?oid=20823
for additional details.
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 in future releases of IRIX and with a
series of patches.
- --------------
- --- Impact ---
- --------------
The vulnerabilities exist within libc, which 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:
# 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.
This vulnerability was assigned the following CVE:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2002-0391
This vulnerability was assigned the following VU:
http://www.kb.cert.org/vuls/id/192995
- ----------------------------
- --- Temporary Workaround ---
- ----------------------------
There is no effective workaround available for these problems. SGI
recommends either upgrading to a minimum of IRIX 6.5.18, 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 6.5.18 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 6.5.13m yes 4740 Note 2
IRIX 6.5.13f yes 4739 Note 2
IRIX 6.5.14m yes 4742 Note 2
IRIX 6.5.14f yes 4741 Note 2
IRIX 6.5.15m yes 4744 Note 2
IRIX 6.5.15f yes 4743 Note 2
IRIX 6.5.16m yes 4746 Note 2
IRIX 6.5.16f yes 4745 Note 2
IRIX 6.5.17m yes 4748 Note 2
IRIX 6.5.17f yes 4747 Note 2
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 6.5.18m or 6.5.18f.
##### Patch File Checksums ####
The actual patch will be a tar file containing the following files:
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MD5 checksum: FD3C0D821DF71D7F44E43FFF32D0E76A
Filename: patchSG0004739
Algorithm #1 (sum -r): 19705 5 patchSG0004739
Algorithm #2 (sum): 34493 5 patchSG0004739
MD5 checksum: 25417784900089D5D08F7C94CF7E8ACF
Filename: patchSG0004739.dev_sw
Algorithm #1 (sum -r): 38179 2866 patchSG0004739.dev_sw
Algorithm #2 (sum): 55114 2866 patchSG0004739.dev_sw
MD5 checksum: 50592422C16AC9653884CA6579B0BAE6
Filename: patchSG0004739.eoe_sw
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MD5 checksum: D4E5F744A55173CF1BB1EEE1AFE24ACB
Filename: patchSG0004739.eoe_sw64
Algorithm #1 (sum -r): 41610 5436 patchSG0004739.eoe_sw64
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MD5 checksum: B2EF2038FFD7A4DDBE2B0ED8AD7EB424
Filename: patchSG0004739.idb
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Algorithm #2 (sum): 53498 7 patchSG0004739.idb
MD5 checksum: C546FD1A1866DF5E9D971E2B092A01C8
Filename: README.patch.4740
Algorithm #1 (sum -r): 62983 8 README.patch.4740
Algorithm #2 (sum): 51976 8 README.patch.4740
MD5 checksum: F79EF7FC534A9F788DC5F4DFA8FD38C6
Filename: patchSG0004740
Algorithm #1 (sum -r): 34224 4 patchSG0004740
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MD5 checksum: 434ED9064D6A46C78F3F9C5F6FE38F3F
Filename: patchSG0004740.dev_sw
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MD5 checksum: 1EFC8359CD1E09A215E628E0ADFF4139
Filename: patchSG0004740.eoe_sw
Algorithm #1 (sum -r): 32948 13964 patchSG0004740.eoe_sw
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MD5 checksum: DE6845D0909AA11ACA7FD11B976A55D0
Filename: patchSG0004740.eoe_sw64
Algorithm #1 (sum -r): 01071 5364 patchSG0004740.eoe_sw64
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MD5 checksum: EB913551876A45D56F07767131E7F592
Filename: patchSG0004740.idb
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MD5 checksum: FE6B18A2AA32639D8D1E2C0659E43A90
Filename: README.patch.4741
Algorithm #1 (sum -r): 46292 9 README.patch.4741
Algorithm #2 (sum): 58428 9 README.patch.4741
MD5 checksum: 5BD40F294334AC167243F86FF9AB0244
Filename: patchSG0004741
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Filename: patchSG0004741.dev_sw
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MD5 checksum: 906B2552ECAD0BD4F03730C1E6DA80A3
Filename: patchSG0004741.eoe_sw64
Algorithm #1 (sum -r): 51758 5454 patchSG0004741.eoe_sw64
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MD5 checksum: C796DD1711D14CBFD500AA70412C6C8A
Filename: patchSG0004741.idb
Algorithm #1 (sum -r): 11787 6 patchSG0004741.idb
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MD5 checksum: 6840C4B819339F639D09CB1895A1DF19
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Algorithm #1 (sum -r): 50773 9 README.patch.4742
Algorithm #2 (sum): 58461 9 README.patch.4742
MD5 checksum: 4C5EB29413762291C461B6F5560A29F6
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Algorithm #1 (sum -r): 36972 4 patchSG0004742
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MD5 checksum: 7EF5D0DFA0C75A9537B67AC5412ECECD
Filename: patchSG0004742.dev_sw
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MD5 checksum: 6B70E50307D06EFDAE3A5FC8D73A50A5
Filename: patchSG0004742.eoe_sw
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Filename: patchSG0004742.eoe_sw64
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MD5 checksum: DF82029A99D74908CA24065A2D35552E
Filename: patchSG0004742.idb
Algorithm #1 (sum -r): 54786 6 patchSG0004742.idb
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MD5 checksum: EEAC01E3BCDF632EB515DA3697FDC109
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Algorithm #1 (sum -r): 15948 8 README.patch.4743
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MD5 checksum: 3E15972E0AF21A717B45A698A9890BA7
Filename: patchSG0004743
Algorithm #1 (sum -r): 51688 4 patchSG0004743
Algorithm #2 (sum): 50416 4 patchSG0004743
MD5 checksum: ED38340DD8FAC5C86F743878AE1728D1
Filename: patchSG0004743.dev_sw
Algorithm #1 (sum -r): 40350 2861 patchSG0004743.dev_sw
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MD5 checksum: 8EBC7CAAD1142B5566B976380364A37E
Filename: patchSG0004743.eoe_sw
Algorithm #1 (sum -r): 44069 14162 patchSG0004743.eoe_sw
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MD5 checksum: DDF3BE55CB5F1EAE93B62BBD3FEF55A6
Filename: patchSG0004743.eoe_sw64
Algorithm #1 (sum -r): 30426 5440 patchSG0004743.eoe_sw64
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MD5 checksum: 6D0D872F815DA621B0992A9FD9324671
Filename: patchSG0004743.idb
Algorithm #1 (sum -r): 01715 7 patchSG0004743.idb
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MD5 checksum: 5CE041BDAB7430DBDF87511754D28CCA
Filename: README.patch.4744
Algorithm #1 (sum -r): 44285 8 README.patch.4744
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MD5 checksum: D438FE6315E0F332108225D165D2EFB7
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Algorithm #1 (sum -r): 00653 4 patchSG0004744
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MD5 checksum: C19320CF91D7677290FF736E56C9FED5
Filename: patchSG0004744.dev_sw
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MD5 checksum: 60A77A0A373EEC1EBF3EB9AF5FC79F3B
Filename: patchSG0004744.eoe_sw
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MD5 checksum: 9CC4426260A13DD11D8787A75616B533
Filename: patchSG0004745.eoe_sw
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MD5 checksum: 05732207843259769B88ACB5086F0E9D
Filename: patchSG0004745.eoe_sw64
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Filename: patchSG0004746.eoe_sw
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Filename: patchSG0004748.dev_sw
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Filename: patchSG0004748.eoe_sw64
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MD5 checksum: 2A6D329F8D1E4469E524A85EEF6E157D
Filename: patchSG0004748.idb
Algorithm #1 (sum -r): 61381 7 patchSG0004748.idb
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MD5 checksum: 5F8AD4C318190D8316A7D406DAC8BBA1
- ------------------------
- --- Acknowledgments ----
- ------------------------
SGI wishes to thank CERT, ISS, FIRST 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@sgi.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@sgi.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
list can be done via the Web
(http://www.sgi.com/support/security/wiretap.html) or by sending email to
SGI as outlined below.
% mail wiretap-request@sgi.com
subscribe wiretap < YourEmailAddress such as aaanalyst@sgi.com >
end
^d
In the example above, <YourEmailAddress> is the email address that you wish
the mailing list information sent to. The word end must be on a separate
line to indicate the end of the body of the message. The control-d (^d) is
used to indicate to the mail program that you are finished composing the
mail message.
------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@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.
______________________________________________________________________________
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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