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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2005.0349 -- SGI Security Advisory 20050405-01-P Telnet Client Vulnerabilities 28 April 2005 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: telnet Publisher: SGI Operating System: IRIX Impact: Execute Arbitrary Code/Commands Access: Remote/Unauthenticated CVE Names: CAN-2005-0469 CAN-2005-0468 Ref: ESB-2005.0244 - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- ______________________________________________________________________________ SGI Security Advisory Title: Telnet Client Vulnerabilities Number: 20050405-01-P Date: April 26, 2005 Reference: SGI BUG 930927, CAN-2005-0468 Reference: SGI BUG 930928, CAN-2005-0469 Fixed in: Patch 5892 for IRIX 6.5.24-6.5.27 ______________________________________________________________________________ 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 --- - - ----------------------- It has been reported by iDefense that there are several vulnerabilities affecting the telnet client. The bugs addressed by this patch are: * 930927 telnet env_opt_add() issue http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-0468 * 930928 telnet slc_add_reply() issue http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-0469 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. - - -------------- - - --- 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 6.5.27m The first number ("6.5") is the release name, the second ("6.5.27m" 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 and recommends that all affected operating systems 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 6.5-6.5.23 unknown Note 1 IRIX 6.5.24 yes 5892 Notes 2 & 3 IRIX 6.5.25 yes 5892 Notes 2 & 3 IRIX 6.5.26 yes 5892 Notes 2 & 3 IRIX 6.5.27 yes 5892 Notes 2 & 3 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) 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.5892 Algorithm #1 (sum -r): 29655 8 README.patch.5892 Algorithm #2 (sum): 38265 8 README.patch.5892 MD5 checksum: 45DFEF35B4699AAE4A38B17BB1FA48FE Filename: patchSG0005892 Algorithm #1 (sum -r): 18517 2 patchSG0005892 Algorithm #2 (sum): 46714 2 patchSG0005892 MD5 checksum: ED15767C8D0D11F26207006FFDC0E50E Filename: patchSG0005892.eoe_sw Algorithm #1 (sum -r): 30463 121 patchSG0005892.eoe_sw Algorithm #2 (sum): 11253 121 patchSG0005892.eoe_sw MD5 checksum: 3BCA2DA1370C8277F259D1CCD518ADB1 Filename: patchSG0005892.idb Algorithm #1 (sum -r): 55685 1 patchSG0005892.idb Algorithm #2 (sum): 35189 1 patchSG0005892.idb MD5 checksum: EB390B6DDE97D7C83BF3B4EBD0F78DB8 - - ------------------------ - - --- Acknowledgments ---- - - ------------------------ SGI wishes to thank iDEFENSE for their assistance in this matter. - - ------------- - - --- Links --- - - ------------- Patches are available via the web, anonymous FTP and from your SGI service/support provider. 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/ 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/ 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> 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. 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On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: http://www.auscert.org.au/render.html?it=1967 iQCVAwUBQnBMSih9+71yA2DNAQJ8kAP9Fj+XsGieAEfpJzHU1Uv6kxc6U9nqtHmp YDwIhLvaXBK8v94vkGbNgC0rUGX8lMnH4wV4zKA0CDmwqLVkquNgMnY2WOmkZoD0 FZ5WhfjTBQvqsO8D7pvIrZMuwcupYMTtlSq1m12SJsorboqDu0H4nxw5SPsyI8BD 2TZTbg3ROUw= =ycjj -----END PGP SIGNATURE-----