From agent99@CSD.SGI.COM Fri Dec 29 02:10:03 2000 From: SGI Security Coordinator To: BUGTRAQ@SECURITYFOCUS.COM Date: Wed, 27 Dec 2000 13:45:54 -0800 Reply-To: agent99@sgi.com Subject: [BUGTRAQ] SGI locale vulnerability -----BEGIN PGP SIGNED MESSAGE----- ______________________________________________________________________________ SGI Security Advisory Title: locale vulnerability Title: CAN-2000-0844 Number: 20000901-01-P Date: December 27, 2000 ______________________________________________________________________________ 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 --- - ----------------------- The locale subsystem is used to provide internationalization support. A format string vulnerability was reported by Ivan Arce of CORE SDI S.A. on BUGTRAQ http://www.securityfocus.com/bid/1634 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. This issue has been corrected in IRIX 6.5.10. - -------------- - --- Impact --- - -------------- The locale subsystem is installed by default on IRIX. A local user account on the vulnerable system is required in order to exploit the locale subsystem. The exploitable format string buffer overflow vulnerability can lead to a root compromise. This locale vulnerability was reported by Ivan Arce of CORE SDI S.A. on BUGTRAQ http://www.securityfocus.com/bid/1634 It was assigned CAN-2000-0844 by the CVE: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2000-0844 This locale vulnerability has been publicly discussed in Usenet newsgroups and mailing lists. - -------------------------- - --- Temporary Solution --- - -------------------------- Unfortunately, there are no immediate or temporary workarounds for this issue. This issue can only be addressed with the installation of IRIX 6.5.10 overlay on top of IRIX 6.5. - ---------------- - --- Solution --- - ---------------- OS Version Vulnerable? Patch # Other Actions ---------- ----------- ------- ------------- IRIX 3.x unknown Note 1 (retired) IRIX 4.x unknown Note 1 (retired) IRIX 5.x unknown Note 1 (retired) IRIX 6.0.x unknown Note 1 (retired) IRIX 6.1 unknown Note 1 (retired) IRIX 6.2 unknown Note 1 (retired) IRIX 6.3 unknown Note 1 (retired) IRIX 6.4 unknown Note 1 (retired) IRIX 6.5 yes Note 2 IRIX 6.5.1 yes Note 2 IRIX 6.5.2 yes Note 2 IRIX 6.5.3 yes Note 2 IRIX 6.5.4 yes Note 2 IRIX 6.5.5 yes Note 2 IRIX 6.5.6 yes Note 2 IRIX 6.5.7 yes Note 2 IRIX 6.5.8 yes Note 2 IRIX 6.5.9 yes Note 2 IRIX 6.5.10 no Note 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/irix/news/index.html#policy for more information. 2) This version of the IRIX operating system is in maintenance mode. Upgrade to an actively supported IRIX operating system. See http://support.sgi.com/irix/news/index.html#policy for more information. 3) If you have not received an IRIX 6.5.10 Overlay CD for IRIX 6.5, contact your SGI Support Provider or download the IRIX 6.5.10 Maintenance Release Stream from the following URL: http://support.sgi.com/colls/patches/tools/relstream/index.html IRIX 6.5.X Releases Streams are released every quarter. IRIX 6.5 Maintenance Release Streams can be found at: http://support.sgi.com/colls/patches/tools/relstream/index.html 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/ and click on patches link and 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/ 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. - ------------------------ - --- Acknowledgments ---- - ------------------------ SGI wishes to thank the users of the Internet Community at large for their assistance in this matter. - ----------------------------------------- - --- SGI Security Information/Contacts --- - ----------------------------------------- If there are questions about this document, email can be sent to cse-security-alert@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 cse-security-alert@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 end ^d In the example above, 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------ 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. -----BEGIN PGP SIGNATURE----- Version: 2.6.2 iQCVAwUBOkpiFrQ4cFApAP75AQGmHgQAnpetEz4rMVS+5N2eMi8zPADDh81cxvQM M0aRrxM6WEFlaUFcVOl7K1V1pAdaG43K5Jzn6ZAF7ZtwpW+gL2FXbfIiY3jSfLrf nfcV83KbVCLx0hPTmtsvkxWqqC5aNuUM45HptFw5miCOQRM8MKMZ4oHG/tp1YK4n ypip6RLH3nk= =1pWR -----END PGP SIGNATURE-----