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______________________________________________________________________________
SGI Security Advisory
Title : Multiple Security Vulnerabilities in OpenSSL
Number : 20030501-01-I
Date : May 14, 2003
Reference: CVE CAN-2003-0131, CAN-2003-0147
Reference: SGI BUGS 884710 881989 883987
Fixed in : OpenSSL package from IRIX 6.5.20 CD set
______________________________________________________________________________
- -----------------------
- --- Issue Specifics ---
- -----------------------
It's been reported that OpenSSL versions up to and including 0.9.7a contain
several security vulnerabilities:
o Klima-Pokorny-Rosa attack
http://www.openssl.org/news/secadv_20030319.txt
o Timing-based attacks on SSL/TLS with CBC encryption
http://www.openssl.org/news/secadv_20030219.txt
o Cryptographic libraries and applications vulnerable to timing attacks
http://www.openssl.org/news/secadv_20030317.txt
See http://www.openssl.org/ for additional details on these vulnerabilities.
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 with a package you can install and in
future releases of IRIX.
- --------------
- --- Impact ---
- --------------
The openssl subsystem is not installed by default on IRIX 6.5.19, but is a
separate package called "openssl".
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.
To see if openssl is installed, execute the following command:
# versions -b openssl
I = Installed, R = Removed
Name Date Description
I openssl 01/13/2003 openssl libraries, 0.9.6g
- ----------------------------
- --- Temporary Workaround ---
- ----------------------------
There is no effective workaround available for these problems. SGI
recommends either upgrading to IRIX 6.5.20, or installing the openssl
package we are providing. See below.
- ----------------
- --- Solution ---
- ----------------
IRIX 6.5.19 shipped with openssl v0.9.7a which is vulnerable. SGI has provided
the openssl (v0.9.6g + security fixes) package from IRIX 6.5.20 for
installation on IRIX 6.5.19 systems.
The OpenSSL packages that ships with IRIX 6.5.19 and above are not supported
on versions of IRIX prior to 6.5.19.
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 Notes 2 & 3
IRIX 6.5.1 no Notes 2 & 3
IRIX 6.5.2 no Notes 2 & 3
IRIX 6.5.3 no Notes 2 & 3
IRIX 6.5.4 no Notes 2 & 3
IRIX 6.5.5 no Notes 2 & 3
IRIX 6.5.6 no Notes 2 & 3
IRIX 6.5.7 no Notes 2 & 3
IRIX 6.5.8 no Notes 2 & 3
IRIX 6.5.9 no Notes 2 & 3
IRIX 6.5.10 no Notes 2 & 3
IRIX 6.5.11 no Notes 2 & 3
IRIX 6.5.12 no Notes 2 & 3
IRIX 6.5.13 no Notes 2 & 3
IRIX 6.5.14 no Notes 2 & 3
IRIX 6.5.15 no Notes 2 & 3
IRIX 6.5.16 no Notes 2 & 3
IRIX 6.5.17 no Notes 2 & 3
IRIX 6.5.18 no Notes 2 & 3
IRIX 6.5.19 yes openssl.tar Notes 2, 3 & 4
IRIX 6.5.20 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) OpenSSL is not supported on versions of IRIX prior to 6.5.19. If
you have your own version of OpenSSL installed, it may be vulnerable
if it is version 0.9.7a or earlier. Our recommendation is that if
you need an SGI supported version of OpenSSL, please upgrade to IRIX
6.5.20 when available.
4) Install the 6.5.20 version of openssl available for download from
ftp://patches.sgi.com/support/free/security/patches/6.5.19/
or upgrade to 6.5.20 when available on http://support.sgi.com/
##### Patch File Checksums ####
The actual patch will be a tar file containing the following files:
Filename: openssl
Algorithm #1 (sum -r): 54670 2 openssl
Algorithm #2 (sum): 46253 2 openssl
MD5 checksum: 56336C509E99117DE3C25905CDA061F4
Filename: openssl.idb
Algorithm #1 (sum -r): 03750 3 openssl.idb
Algorithm #2 (sum): 40872 3 openssl.idb
MD5 checksum: 536D4ED0CC2EF410D6E503A138660F5D
Filename: openssl.man
Algorithm #1 (sum -r): 13363 239 openssl.man
Algorithm #2 (sum): 8815 239 openssl.man
MD5 checksum: 2ED695BAE38E7ADC71F59BECB23795E0
Filename: openssl.sw
Algorithm #1 (sum -r): 65523 2172 openssl.sw
Algorithm #2 (sum): 56539 2172 openssl.sw
MD5 checksum: 155E34102356C7A7ECDE965F69AC7814
- ------------------------
- --- Acknowledgments ----
- ------------------------
SGI wishes to thank Vlastimil Klima, Ondrej Pokorny, Tomas Rosa, openssl.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/ 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 (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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