__________________________________________________________ The U.S. Department of Energy Computer Incident Advisory Capability ___ __ __ _ ___ / | /_\ / \___ __|__ / \ \___ __________________________________________________________ INFORMATION BULLETIN Sun 'dtprintinfo(1)' CDE Print Viewer Vulnerability [Sun Alert ID: 57441] December 8, 2003 20:00 GMT Number O-035 ______________________________________________________________________________ PROBLEM: The CDE Print Viewer program provides a graphical interface that displays the status of print queues and print jobs. Other information can also be retrieved with the CDE Print Viewer. A vulnerability with the dtprintinfo(1)command exists allowing attackers to execute arbitrary code or commands. PLATFORM: Sun Sparc and x86 platforms running Solaris 2.6, 7, 8, and 9. DAMAGE: The CDE Print Viewer runs with root privileges. A local user could run arbitrary code with root privileges. SOLUTION: Apply appropriate Sun patches. ______________________________________________________________________________ VULNERABILITY The risk is MEDIUM. A local user could execute arbitrary code ASSESSMENT: or commands with root privileges. ______________________________________________________________________________ LINKS: CIAC BULLETIN: http://www.ciac.org/ciac/bulletins/o-035.shtml ORIGINAL BULLETIN: http://sunsolve.sun.com/pub-cgi/retrieve.pl?doc=fsalert% 2F57441&zone_32=category%3Asecurity ______________________________________________________________________________ [***** Start Sun Alert ID: 57441 *****] Sun(sm) Alert Notification Sun Alert ID: 57441 Synopsis: Security Vulnerability in dtprintinfo(1) Category: Security Product: Solaris, CDE BugIDs: 4788209 Avoidance: Patch State: Resolved Date Released: 05-Dec-2003 Date Closed: 05-Dec-2003 Date Modified: 1. Impact A local user may be able to execute arbitrary code or commands with the privileges of the dtprintinfo(1) CDE Print Viewer. The dtprintinfo(1) CDE Print Viewer runs with root privileges. 2. Contributing Factors This issue can occur in the following releases: SPARC Platform Solaris 2.6 without patch 106437-04 Solaris 7 without patch 107885-09 Solaris 8 without patch 110335-03 Solaris 9 without patch 114495-01 x86 Platform Solaris 2.6 without patch 106438-04 Solaris 7 without patch 107886-09 Solaris 8 without patch 110336-03 Solaris 9 without patch 114496-01 3. Symptoms There are no predictable symptoms that show this issue has been exploited. Solution Summary 4. Relief/Workaround To work around the described issue, turn off the set-user-ID ("setuid") bit for dtprintinfo as root, shown below: # chmod 0555 /usr/dt/bin/dtprintinfo This will cause dtprintinfo to lose the ability to display local print jobs. 5. Resolution This issue is addressed in the following releases: SPARC Platform Solaris 2.6 with patch 106437-04 or later Solaris 7 with patch 107885-09 or later Solaris 8 with patch 110335-03 or later Solaris 9 with patch 114495-01 or later x86 Platform Solaris 2.6 with patch 106438-04 or later Solaris 7 with patch 107886-09 or later Solaris 8 with patch 110336-03 or later Solaris 9 with patch 114496-01 or later 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. 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[***** End Sun Alert ID: 57441 *****] _______________________________________________________________________________ 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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