From agent99@sgi.com Wed Aug 4 21:19:08 2004 From: SGI Security Coordinator To: agent99@sgi.com Cc: bugtraq@securityfocus.com, full-disclosure@lists.netsys.com, vulnwatch@vulnwatch.org Newsgroups: comp.sys.sgi.announce, comp.security.unix, comp.sys.sgi.admin, comp.security.announce Date: Tue, 3 Aug 2004 13:36:58 -0700 Subject: [Full-Disclosure] CDE libDtHelp and dtlogin vulnerabilities on IRIX -----BEGIN PGP SIGNED MESSAGE----- ______________________________________________________________________________ SGI Security Advisory Title: libDtHelp and dtlogin vulnerabilities Number: 20040801-01-P Date: August 3, 2004 Reference: SGI BUG 902695, CVE CAN-2003-0834, CERT VU#575804 Reference: SGI BUG 913116, CVE CAN-2004-0368, CERT VU#179804 Fixed in: CDE 5.3.4 ______________________________________________________________________________ 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 that there are two vulnerabilities in Common Desktop Environment (CDE) which can be used to obtain root user privileges: * 902695: libDtHelp has a buffer overflow http://www.kb.cert.org/vuls/id/575804 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2003-0834 * 913116: dtlogin double-free vulnerability http://www.kb.cert.org/vuls/id/179804 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0368 A new CDE package has been released to address these vulnerabilities. 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 --- - -------------- CDE is an optional product and is not installed by default. To determine if CDE is installed, execute the following command: # /usr/sbin/versions -b CDE This will return a result similar to the following: Name Date Description I CDE 5/11/03 Common Desktop Environment, 5.3.3 - ---------------- - --- Solution --- - ---------------- SGI has provided a new CDE 5.3.4 inst package to address these security issues. The new CDE 5.3.4 inst package is available on the IRIX 6.5.25 Applications CD or ftp://patches.sgi.com/support/free/security/patches/6.5.25/ Version Vulnerable? Other Actions - --------------------------------- ----------- ------------- Common Desktop Environment, 5.0 unknown Note 1 Common Desktop Environment, 5.1 unknown Note 1 Common Desktop Environment, 5.2 unknown Note 1 Common Desktop Environment, 5.3 unknown Note 1 Common Desktop Environment, 5.3.1 unknown Note 1 Common Desktop Environment, 5.3.2 unknown Note 1 Common Desktop Environment, 5.3.3 yes Notes 2 & 3 Common Desktop Environment, 5.3.4 no NOTES 1) This version of the CDE is not actively supported. Upgrade to an actively supported CDE package. See http://support.sgi.com/ for more information. 2) Install the new CDE 5.3.4 inst package from IRIX 6.5.25 Applications CD or ftp://patches.sgi.com/support/free/security/patches/6.5.25/ 3) libDtHelp vulnerability is also addressed with patch 5386, but does not include the dtlogin fix. - ------------------------ - --- Acknowledgments ---- - ------------------------ SGI wishes to thank CERT, Dave Aitel and FIRST 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------ SGI provides security information and patches for use by the entire SGI community. 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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 iQCVAwUBQQ/1X7Q4cFApAP75AQHulwP/YS1mk8pTl6b9omxJdyDKfEwgaU+lSGqF 862cjLO9WdAbL+vH6IDtmOENU31TK0T6sbXXsYCetsHgytmHKwqT1Z8PFtnZoE/N KvIb6nppfso5AmfRDU/gynlrudMirxZZp9t8H7EvjswMIzhkJuxDXfS8FH4i74fX IYi14o1v3Fc= =BP3a -----END PGP SIGNATURE----- _______________________________________________ Full-Disclosure - We believe in it. Charter: http://lists.netsys.com/full-disclosure-charter.html