SGI Security Advisory 20040507-01-P - Adam Gowdiak from the Poznan Supercomputing and Networking Center has reported that under certain conditions the /usr/sbin/cpr binary can be forced to load a user provided library while restarting the checkpointed process which can then be used to obtain root user privileges. All versions of IRIX prior to 6.5.25 are affected.
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______________________________________________________________________________
SGI Security Advisory
Title: libcpr vulnerability
Number: 20040507-01-P
Date: May 26, 2004
Reference: SGI BUG 914419
Reference: CVE CAN-2004-0134
Fixed in: Patches 5606, 5607, 5608, 5609 and 5610
______________________________________________________________________________
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 ---
- -----------------------
Adam Gowdiak from the Poznan Supercomputing and Networking Center
has reported that under certain conditions /usr/sbin/cpr binary can
be forced to load a user provided library while restarting the
checkpointed process which can be used to obtain root user privileges.
SGI has assigned the following Common Vulnerabilities and Exposures
(cve.mitre.org) name to this vulnerability:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0134
SGI has investigated the issue and recommends the following steps for
resolving this issue. It is HIGHLY RECOMMENDED that these measures
be implemented on ALL vulnerable SGI systems. This issue has been
corrected in future releases of IRIX.
- --------------
- --- Impact ---
- --------------
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 6.5.21f
The first number ("6.5") is the release name, the second ("6.5.21f" in
this case) is the extended release name. The extended release name
is the "version" we refer to throughout this document.
- ----------------
- --- Solution ---
- ----------------
SGI has provided a series of patches for these vulnerabilities.
Our recommendation is to upgrade to IRIX 6.5.25, or install the
appropriate patches.
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 unknown Note 1
IRIX 6.5.1 unknown Note 1
IRIX 6.5.2 unknown Note 1
IRIX 6.5.3 unknown Note 1
IRIX 6.5.4 unknown Note 1
IRIX 6.5.5 unknown Note 1
IRIX 6.5.6 unknown Note 1
IRIX 6.5.7 unknown Note 1
IRIX 6.5.8 unknown Note 1
IRIX 6.5.9 unknown Note 1
IRIX 6.5.10 unknown Note 1
IRIX 6.5.11 unknown Note 1
IRIX 6.5.12 unknown Note 1
IRIX 6.5.13 unknown Note 1
IRIX 6.5.14 unknown Note 1
IRIX 6.5.15 unknown Note 1
IRIX 6.5.16 unknown Note 1
IRIX 6.5.17 unknown Note 1
IRIX 6.5.18 unknown Note 1
IRIX 6.5.19 unknown Note 1
IRIX 6.5.20m yes 5606 Notes 2 & 3
IRIX 6.5.20f yes 5607 Notes 2 & 3
IRIX 6.5.21 yes 5608 Notes 2 & 3
IRIX 6.5.22 yes 5609 Notes 2 & 3
IRIX 6.5.23 yes 5609 Notes 2 & 3
IRIX 6.5.24 yes 5610 Notes 2 & 3
IRIX 6.5.25 no
NOTES
1) This version of the IRIX operating system is not actively supported.
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 required patch(es) based on your operating release.
##### Patch File Checksums ####
The actual patch will be a tar file containing the following files:
Filename: README.patch.5606
Algorithm #1 (sum -r): 37588 8 README.patch.5606
Algorithm #2 (sum): 32901 8 README.patch.5606
MD5 checksum: B5C3F81FF84AC7C9698FF5FBFCD23DD5
Filename: patchSG0005606
Algorithm #1 (sum -r): 37659 5 patchSG0005606
Algorithm #2 (sum): 7464 5 patchSG0005606
MD5 checksum: C3AC7041D0BAE3F439A0426EFCB9C4CD
Filename: patchSG0005606.eoe_man
Algorithm #1 (sum -r): 37809 29 patchSG0005606.eoe_man
Algorithm #2 (sum): 6758 29 patchSG0005606.eoe_man
MD5 checksum: 0B817D89AE398F9B74A22EBF82FA53D7
Filename: patchSG0005606.eoe_sw
Algorithm #1 (sum -r): 60939 1681 patchSG0005606.eoe_sw
Algorithm #2 (sum): 42966 1681 patchSG0005606.eoe_sw
MD5 checksum: BA965ED4F5B925F043B2BCDB29D1E5E4
Filename: patchSG0005606.eoe_sw64
Algorithm #1 (sum -r): 16988 1719 patchSG0005606.eoe_sw64
Algorithm #2 (sum): 7922 1719 patchSG0005606.eoe_sw64
MD5 checksum: 3C548C5DE1C693BDAA262AF0F8A349B7
Filename: patchSG0005606.idb
Algorithm #1 (sum -r): 48114 3 patchSG0005606.idb
Algorithm #2 (sum): 45251 3 patchSG0005606.idb
MD5 checksum: 7BE6C64724B749060DC208D581530059
Filename: README.patch.5607
Algorithm #1 (sum -r): 04156 9 README.patch.5607
Algorithm #2 (sum): 62950 9 README.patch.5607
MD5 checksum: 0A2EFE3AC5BC04E81A715E958FF1ED4A
Filename: patchSG0005607
Algorithm #1 (sum -r): 41377 5 patchSG0005607
Algorithm #2 (sum): 35341 5 patchSG0005607
MD5 checksum: 6020A4ED5C6D0E4F7CD07BFAB1E07652
Filename: patchSG0005607.eoe_man
Algorithm #1 (sum -r): 37809 29 patchSG0005607.eoe_man
Algorithm #2 (sum): 6758 29 patchSG0005607.eoe_man
MD5 checksum: 0B817D89AE398F9B74A22EBF82FA53D7
Filename: patchSG0005607.eoe_sw
Algorithm #1 (sum -r): 07626 1847 patchSG0005607.eoe_sw
Algorithm #2 (sum): 59526 1847 patchSG0005607.eoe_sw
MD5 checksum: 7F85081459DBF8A512FD2FFBD9AD1D37
Filename: patchSG0005607.eoe_sw64
Algorithm #1 (sum -r): 27243 1720 patchSG0005607.eoe_sw64
Algorithm #2 (sum): 31616 1720 patchSG0005607.eoe_sw64
MD5 checksum: 68CC0D6EC13DAC63F11BE0C971250294
Filename: patchSG0005607.idb
Algorithm #1 (sum -r): 32428 4 patchSG0005607.idb
Algorithm #2 (sum): 26167 4 patchSG0005607.idb
MD5 checksum: BE05BCF4016B097EF4225479B66B506A
Filename: README.patch.5608
Algorithm #1 (sum -r): 44575 8 README.patch.5608
Algorithm #2 (sum): 32934 8 README.patch.5608
MD5 checksum: 61695BFDD1A066D99FF588BF45357361
Filename: patchSG0005608
Algorithm #1 (sum -r): 16737 4 patchSG0005608
Algorithm #2 (sum): 59501 4 patchSG0005608
MD5 checksum: ED7D6F6A9486FFA247152A041355369D
Filename: patchSG0005608.eoe_man
Algorithm #1 (sum -r): 38217 30 patchSG0005608.eoe_man
Algorithm #2 (sum): 34665 30 patchSG0005608.eoe_man
MD5 checksum: 5640D001B448B2A37F2852D299C6D584
Filename: patchSG0005608.eoe_sw
Algorithm #1 (sum -r): 65175 1695 patchSG0005608.eoe_sw
Algorithm #2 (sum): 59497 1695 patchSG0005608.eoe_sw
MD5 checksum: 25ABFCCE90C4807F2D03D21D74A48C2B
Filename: patchSG0005608.eoe_sw64
Algorithm #1 (sum -r): 09274 1718 patchSG0005608.eoe_sw64
Algorithm #2 (sum): 10352 1718 patchSG0005608.eoe_sw64
MD5 checksum: E570B855EBDB9606B84B60B3FFB171C1
Filename: patchSG0005608.idb
Algorithm #1 (sum -r): 47068 3 patchSG0005608.idb
Algorithm #2 (sum): 45435 3 patchSG0005608.idb
MD5 checksum: 336B55C8AA738819E801EB674F3F4AD8
Filename: README.patch.5609
Algorithm #1 (sum -r): 57021 8 README.patch.5609
Algorithm #2 (sum): 23379 8 README.patch.5609
MD5 checksum: 9585A8388D55FD6E5D8496CFD3D3B07F
Filename: patchSG0005609
Algorithm #1 (sum -r): 31065 3 patchSG0005609
Algorithm #2 (sum): 13185 3 patchSG0005609
MD5 checksum: 7E8140FE524B1B42D411D8CF08363B23
Filename: patchSG0005609.eoe_sw
Algorithm #1 (sum -r): 42020 1689 patchSG0005609.eoe_sw
Algorithm #2 (sum): 42175 1689 patchSG0005609.eoe_sw
MD5 checksum: F211BA20C8ADDB51E75DE1D790331D45
Filename: patchSG0005609.eoe_sw64
Algorithm #1 (sum -r): 02074 1710 patchSG0005609.eoe_sw64
Algorithm #2 (sum): 24791 1710 patchSG0005609.eoe_sw64
MD5 checksum: A2AC8FB26FF1B4723251B30E80E1E486
Filename: patchSG0005609.idb
Algorithm #1 (sum -r): 18602 3 patchSG0005609.idb
Algorithm #2 (sum): 23438 3 patchSG0005609.idb
MD5 checksum: F6E5E81876FC2F79DE2F77CB539EC453
Filename: README.patch.5610
Algorithm #1 (sum -r): 51110 8 README.patch.5610
Algorithm #2 (sum): 20293 8 README.patch.5610
MD5 checksum: 9800BD29494DB131DF267C73152CAA27
Filename: patchSG0005610
Algorithm #1 (sum -r): 20688 3 patchSG0005610
Algorithm #2 (sum): 5422 3 patchSG0005610
MD5 checksum: AE133E85CD9516BF1A2C318851418D8F
Filename: patchSG0005610.eoe_sw
Algorithm #1 (sum -r): 14132 1682 patchSG0005610.eoe_sw
Algorithm #2 (sum): 2892 1682 patchSG0005610.eoe_sw
MD5 checksum: 277CEB35D636450629DB25AC2743266A
Filename: patchSG0005610.eoe_sw64
Algorithm #1 (sum -r): 27314 1700 patchSG0005610.eoe_sw64
Algorithm #2 (sum): 6892 1700 patchSG0005610.eoe_sw64
MD5 checksum: 62284868F4DAEDCBD85B6A7EDDA02F58
Filename: patchSG0005610.idb
Algorithm #1 (sum -r): 38492 3 patchSG0005610.idb
Algorithm #2 (sum): 23256 3 patchSG0005610.idb
MD5 checksum: 3252933C83413CE3EFA45E17897BE9AA
- ------------------------
- --- Acknowledgments ----
- ------------------------
SGI wishes to thank Adam Gowdiak and the Poznan Supercomputing and
Networking Center 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/
Red Hat Errata: Security Alerts, Bugfixes, and Enhancements
http://www.redhat.com/apps/support/errata/
SGI Advanced Linux Environment security updates can found on:
ftp://oss.sgi.com/projects/sgi_propack/download/
SGI patches can be found at the following patch servers:
http://support.sgi.com/
The primary SGI anonymous FTP site for security advisories and
security patches is ftp://patches.sgi.com/support/free/security/
- -----------------------------------------
- --- SGI Security Information/Contacts ---
- -----------------------------------------
If there are questions about this document, email can be sent to
security-info@sgi.com.
------oOo------
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______________________________________________________________________________
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