__________________________________________________________ The U.S. Department of Energy Computer Incident Advisory Capability ___ __ __ _ ___ / | /_\ / \___ __|__ / \ \___ __________________________________________________________ INFORMATION BULLETIN Sun Buffer Overflow Vulnerability in the CDE DtHelp Library [Sun Alert ID: 57414] November 10, 2003 18:00 GMT Number O-020 [REVISED 4 May 2004] [REVISED 5 Aug 2004] ______________________________________________________________________________ PROBLEM: A buffer overflow vulnerability exists in the Common Desktop Environment (CDE) DtHelp library which could allow a local user to gain root access or possibly crash affected CDE applications which utilize the DtHelp library causing a Denial of Service. SOFTWARE: Solaris 7, 8, 9 DAMAGE: A local user could gain root access. SOLUTION: Download and apply the appropriate patch. ______________________________________________________________________________ VULNERABILITY The risk is MEDIUM. A local user could gain root access. ASSESSMENT: ______________________________________________________________________________ LINKS: CIAC BULLETIN: http://www.ciac.org/ciac/bulletins/o-020.shtml ORIGINAL BULLETIN: Sun Alert ID: 57414 http://au.sunsolve.sun.com/search/document.do?assetkey=1-26-57414-1 ADDITIONAL LINK: SGI Security Advisory 20040801-01-P SGI Bug 902695 http://www.sgi.com/support/security/advisories.html CVE/CAN: http://www.cve.mitre.org/cgi-bin/cvename.cgi?name= CVE-2003-0834 ______________________________________________________________________________ REVISION HISTORY: 05/04/2004 - revised to reflect the changes Sun has made in their Sun Alert ID: 57414 in the State section, Contributing Factors section, Relief/ Workaround section, and Resolution section. 08/05/04 - added a link to SGI Security Advisory 20040801-01-P SGI Bug 902695. [***** Start Sun Alert ID: 57414 *****] Sun(sm) Alert Notification Sun Alert ID: 57414 Synopsis: Buffer Overflow Vulnerability in the CDE DtHelp Library May Allow Unauthorized "root" Access Category: Security Product: Solaris BugIDs: 4930117 Avoidance: Patch State: Resolved Date Released: 07-Nov-2003, 30-Apr-2004 Date Closed: 30-Apr-2004 Date Modified: 06-Feb-2004, 30-Apr-2004 1. Impact The DtHelp library (libDtHelp.so) is used by the Common Desktop Environment (CDE) to display context help. This library contains a buffer overflow vulnerability which could allow a local user to gain root access or possibly crash affected CDE applications which utilize the DtHelp library causing a Denial of Service. This issue is described in the CERT Vulnerability VU#575804 (see http://www.kb.cert.org/vuls/id/575804) and CVE CAN-2003-0834 (see http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2003-0834). 2. Contributing Factors This issue can occur in the following releases: SPARC Platform Solaris 7 without patch 107178-03 Solaris 8 without patch 108949-08 Solaris 9 without patch 116308-01 x86 Platform Solaris 7 without patch 107179-03 Solaris 8 without patch 108950-08 Solaris 9 without patch 116309-01 3. Symptoms There are no reliable symptoms that would show the described issue has been exploited to gain unauthorized root access to a host. Solution Summary Top 4. Relief/Workaround There is no workaround. Please see the "Resolution" section below. 5. Resolution This issue is addressed in the following releases: SPARC platform Solaris 7 with patch 107178-03 or later Solaris 8 with patch 108949-08 or later Solaris 9 with patch 116308-01 or later x86 Platform Solaris 7 with patch 107179-03 or later Solaris 8 with patch 108950-08 or later Solaris 9 with patch 116309-01 or later Change History 06-Feb-2004: * Updated Contributing Factors and Resolution sections 30-Apr-2004: * State: Resolved * Updated Contributing Factors and Resolution sections This Sun Alert notification is being provided to you on an "AS IS" basis. This Sun Alert notification may contain information provided by third parties. The issues described in this Sun Alert notification may or may not impact your system(s). Sun makes no representations, warranties, or guarantees as to the information contained herein. ANY AND ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE HEREBY DISCLAIMED. BY ACCESSING THIS DOCUMENT YOU ACKNOWLEDGE THAT SUN SHALL IN NO EVENT BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, PUNITIVE, OR CONSEQUENTIAL DAMAGES THAT ARISE OUT OF YOUR USE OR FAILURE TO USE THE INFORMATION CONTAINED HEREIN. This Sun Alert notification contains Sun proprietary and confidential information. It is being provided to you pursuant to the provisions of your agreement to purchase services from Sun, or, if you do not have such an agreement, the Sun.com Terms of Use. This Sun Alert notification may only be used for the purposes contemplated by these agreements. Copyright 2000-2003 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, CA 95054 U.S.A. All rights reserved. [***** End Sun Alert ID: 57414 *****] _______________________________________________________________________________ CIAC wishes to acknowledge the contributions of Sun Microsystems for the information contained in this bulletin. _______________________________________________________________________________ CIAC, the Computer Incident Advisory Capability, is the computer security incident response team for the U.S. Department of Energy (DOE) and the emergency backup response team for the National Institutes of Health (NIH). CIAC is located at the Lawrence Livermore National Laboratory in Livermore, California. CIAC is also a founding member of FIRST, the Forum of Incident Response and Security Teams, a global organization established to foster cooperation and coordination among computer security teams worldwide. CIAC services are available to DOE, DOE contractors, and the NIH. CIAC can be contacted at: Voice: +1 925-422-8193 (7x24) FAX: +1 925-423-8002 STU-III: +1 925-423-2604 E-mail: ciac@ciac.org Previous CIAC notices, anti-virus software, and other information are available from the CIAC Computer Security Archive. World Wide Web: http://www.ciac.org/ Anonymous FTP: ftp.ciac.org PLEASE NOTE: Many users outside of the DOE, ESnet, and NIH computing communities receive CIAC bulletins. If you are not part of these communities, please contact your agency's response team to report incidents. Your agency's team will coordinate with CIAC. The Forum of Incident Response and Security Teams (FIRST) is a world-wide organization. A list of FIRST member organizations and their constituencies can be obtained via WWW at http://www.first.org/. This document was prepared as an account of work sponsored by an agency of the United States Government. Neither the United States Government nor the University of California nor any of their employees, makes any warranty, express or implied, or assumes any legal liability or responsibility for the accuracy, completeness, or usefulness of any information, apparatus, product, or process disclosed, or represents that its use would not infringe privately owned rights. Reference herein to any specific commercial products, process, or service by trade name, trademark, manufacturer, or otherwise, does not necessarily constitute or imply its endorsement, recommendation or favoring by the United States Government or the University of California. The views and opinions of authors expressed herein do not necessarily state or reflect those of the United States Government or the University of California, and shall not be used for advertising or product endorsement purposes. 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