From agent99@boytoy.csd.sgi.com Thu Mar 26 21:51:15 1998 From: SGI Security Coordinator To: agent99@sgi.com Date: Thu, 26 Mar 1998 14:18:49 -0800 Subject: Netscape Navigator Security Vulnerabilities DISTRIBUTION RESTRICTIONS - NONE - FOR PUBLIC RELEASE -----BEGIN PGP SIGNED MESSAGE----- ______________________________________________________________________________ Silicon Graphics Inc. Security Advisory Title: Netscape Navigator Security Vulnerabilities Number: 19980303-01-P Date: March 26, 1998 ______________________________________________________________________________ Silicon Graphics provides this information freely to the SGI user community for its consideration, interpretation, implementation and use. Silicon Graphics recommends that this information be acted upon as soon as possible. Silicon Graphics 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 Silicon Graphics 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 --- - ----------------------- Netscape Navigator is a web browser program for accessing the World Wide Web (WWW). During regular use, Netscape Navigator makes use of record keeping mechanisms known as cookies and submission forms. Several privacy vulnerabilities ("Tracker Bug" and "Bell Labs Privacy Bug") have been discovered in the Netscape Navigator program which allow malicious web servers to obtain unauthorized access to cookie and form submission information. Silicon Graphics Inc. 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. - -------------- - --- Impact --- - -------------- Netscape Navigator is installed by default on IRIX 6.2+ operating systems, during the installation of IRIX Application CD and Desktop Special Edition (DSE) CD or web product software bundles like the WebFORCE CDs. The exploit requires a user to browse a malicious web server. This vulnerability has been publically discussed and more information can be found on Netscape's Security Note Web Page: http://home.netscape.com/assist/security/resources/notes.html and on Netscape's Security Home Page: http://home.netscape.com/assist/security/index.html - ---------------- - --- Solution --- - ---------------- The solution to this issue is to install or upgrade to version 3.04 or later of the Netscape Navigator program. To see which version of Netscape you have currently installed, run netscape and in the 'Help' menu choose 'About Netscape.' Silicon Graphics provides a customized Netscape Navigator 3.04 subsystem for IRIX 5.3, 6.2, 6.3 and 6.4 and it can be found at the following URL: http://www.sgi.com/Products/Evaluation/ Generic, unsupported versions can be found at Netscape's Netcenter Web Site: http://home.netscape.com/download/ - ------------------------ - --- Acknowledgments --- - ------------------------ Silicon Graphics wishes to thank Netscape, the CERT Coordination Center, and the Internet Community at large for their assistance in this issue. - ----------------------------------------------------------- - --- Silicon Graphics Inc. Security Information/Contacts --- - ----------------------------------------------------------- If there are questions about this document, email can be sent to cse-security-alert@sgi.com. ------oOo------ Silicon Graphics 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 information and patches is sgigate.sgi.com (204.94.209.1). Security information and patches are located under the directories ~ftp/security and ~ftp/patches, respectively. The Silicon Graphics Security Headquarters Web page is accessible at the URL http://www.sgi.com/Support/security/security.html. 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------ Silicon Graphics 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------ Silicon Graphics provides a comprehensive customer World Wide Web site. This site is located at http://www.sgi.com/Support/security/security.html. ------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, Silicon Graphics is appropriately credited and the document retains and includes its valid PGP signature. -----BEGIN PGP SIGNATURE----- Version: 2.6.2 iQCVAwUBNRrSVbQ4cFApAP75AQE14wP/b+rU6GWWTcO8ik1bfrjXacHwQ9LfJMwi mi5CX7sZt3IFuFlmrrfYwX2o1iGz+lI4t099Fhfq+JkoVo8JitItm35DzC05pnbw OkTFyhpAVvUkRWzvktAAGS2vIThMJG2zgY62QAp8aJW63Svnn5zEnSGLlKjdPEDm 5LrwOBAL4wo= =3Z/C -----END PGP SIGNATURE-----