-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 =============================================================================== >> CERT-NL, 01-Mar-2000 << >> All CERT-NL information has been moved to http://cert.surfnet.nl. Links << >> to CERT-NL information contained in this advisory are therefore outdated. << >> << >> CERT-NL also has stopped the CERT-CC-Mirror service. Due to this the << >> links to the CERT-CC mirror are obsolete. Visit the CERT-CC site for the << >> complete CERT-CC advisory texts: http://www.cert.org << =============================================================================== =============================================================================== Security Advisory CERT-NL =============================================================================== Author/Source : Niels den Otter Index : S-98-25 Distribution : World Page : 1 Classification: External Version: 1 Subject : Digital Unix advfs vulnerability Date : 08-May-98 =============================================================================== By courtesy of the Software Security Response Team (SSRT) of Digital Equipment Corporation we received information on a vulnerability in Digital Unix Advanced File System Utility (advfs), where under certain circumstances, an authorized user may gain unauthorized privileges. CERT-NL recommends to follow the Digital recommendation, which is to upgrade to a minimum of Digital UNIX V4.0b, and to install the appropriate patch kit immediately. ============================================================================== * No Restrictions For Distribution * ______________________________________________________________ UPDATE: APR 30, 1998 TITLE: DIGITAL UNIX softlinks - advfs V4.0, V4.0a, V4.0b, V4.0c, V4.0d - Potential Security Vulnerability Ref#: SSRT0495U SOURCE: Digital Equipment Corporation Software Security Response Team "Digital is broadly distributing this Security Advisory in order to bring to the attention of users of Digital's products the important security information contained in this Advisory. Digital recommends that all users determine the applicability of this information to their individual situations and take appropriate action. Digital does not warrant that this information is necessarily accurate or complete for all user situations and, consequently, Digital will not be responsible for any damages resulting from user's use or disregard of the information provided in this Advisory." - ---------------------------------------------------------------------- IMPACT: Digital has discovered a potential vulnerability with the Advanced File System Utility for DIGITAL UNIX software, where under certain circumstances, an authorized user may gain unauthorized privileges. Digital strongly recommends upgrading to a minimum of Digital UNIX V4.0b accordingly, and that the appropriate patch kit be installed immediately. - ---------------------------------------------------------------------- RESOLUTION: This potential security problem has been resolved and an official patch for this problem has been made available as an early release kit for DIGITAL UNIX V4.0a (duv40ass0000600037800-19980317.*) and included in the latest DIGITAL UNIX V4.0b and V4.0d aggregate DUPATCH Kit. The V4.0 aggregate BL 9 patch kit #6 is scheduled for release mid May 1998. The V4.0c aggregate BL10 patch kit #6 is scheduled for release mid May 1998. o the World Wide Web at the following FTP address: http://www.service.digital.com/html/patch_service.html Use the FTP access option, select DIGITAL_UNIX directory then choose the appropriate version directory and download the patch accordingly. Note: [1]The appropriate patch kit must be installed following any upgrade to V4.0a, V4.0b or V4.0d. [2] Please review the appropriate release notes prior to installation. If you need further information, please contact your normal DIGITAL support channel. DIGITAL appreciates your cooperation and patience. We regret any inconvenience applying this information may cause. As always, Digital urges you to periodically review your system management and security procedures. Digital will continue to review and enhance the security features of its products and work with customers to maintain and improve the security and integrity of their systems. ______________________________________________________________ Copyright (c) Digital Equipment Corporation, 1998 All Rights Reserved. Unpublished Rights Reserved Under The Copyright Laws Of The United States. ______________________________________________________________ ============================================================================== CERT-NL is the Computer Emergency Response Team for SURFnet customers. SURFnet is the Dutch network for educational, research and related institutes. CERT-NL is a member of the Forum of Incident Response and Security Teams (FIRST). All CERT-NL material is available under: http://cert.surfnet.nl/ In case of computer or network security problems please contact your local CERT/security-team or CERT-NL (if your institute is NOT a SURFnet customer please address the appropriate (local) CERT/security-team). CERT-NL is one/two hour(s) ahead of UTC (GMT) in winter/summer, i.e. UTC+0100 in winter and UTC+0200 in summer (DST). 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