__________________________________________________________ The U.S. Department of Energy Computer Incident Advisory Capability ___ __ __ _ ___ / | /_\ / \___ __|__ / \ \___ __________________________________________________________ INFORMATION BULLETIN Security Vulnerability on Sun Fire T2000 [Sun Alert ID: 102543] August 1, 2006 16:00 GMT Number Q-264 ______________________________________________________________________________ PROBLEM: The crypto provider in Solaris 10 3/05 HW2 when running on Sun Fire T2000 platforms might incorrectly verify a DSA signature. PLATFORM: Sun Fire T2000 Server, Solaris 10 Operating System DAMAGE: Applications which depend on the results of this DSA signature verification might be vulnerable to trusting data which could have been tampered with. SOLUTION: Apply current patches. ______________________________________________________________________________ VULNERABILITY The risk is MEDIUM. Vulnerable to trusting data which could ASSESSMENT: have been tampered with. ______________________________________________________________________________ LINKS: CIAC BULLETIN: http://www.ciac.org/ciac/bulletins/q-264.shtml ORIGINAL BULLETIN: http://www.sunsolve.sun.com/search/document.do?assetkey=1-26-102543-1&searchclause=%22category:security%22%2420%22availability,%2420security%22%2420category:security ______________________________________________________________________________ [***** Start Sun Alert ID: 102543 *****] Document Audience: PUBLIC Document ID: 102543 Title: Security Vulnerability on Sun Fire T2000 With Solaris 10 (3/05 HW2) Copyright Notice: Copyright © 2006 Sun Microsystems, Inc. All Rights Reserved Update Date: Tue Aug 01 00:00:00 MDT 2006 Status Issued Description Top Sun(sm) Alert Notification * Sun Alert ID: 102543 * Synopsis: Security Vulnerability on Sun Fire T2000 With Solaris 10 (3/05 HW2) * Category: Security * Product: Sun Fire T2000 Server, Solaris 10 Operating System * BugIDs: 6338338 * Avoidance: Patch, Upgrade * State: Resolved * Date Released: 01-Aug-2006 * Date Closed: 01-Aug-2006 * Date Modified: 1. Impact The crypto provider in Solaris 10 3/05 HW2 when running on Sun Fire T2000 platforms might incorrectly verify a DSA signature. Applications which depend on the results of this DSA signature verification might be vulnerable to trusting data which could have been tampered with. 2. Contributing Factors This issue can occur on the following platform: * Sun Fire T2000 with Solaris 10 (3/05 HW2) without patch 121236-01 Note: This issue only affects T2000 systems with Solaris 10 3/05 HW2 installed. To determine if a system has this version of Solaris 10 installed (3/05 HW2), the following command can be run: % cat /etc/release Solaris 10 3/05 HW2 s10s_hw2wos_05 SPARC Copyright 2005 Sun Microsystems, Inc. All Rights Reserved. Use is subject to license terms. Assembled 26 September 2005 3. Symptoms There are no symptoms that would indicate this vulnerability has been exploited. Solution Summary Top 4. Relief/Workaround There is no workaround to this issue. Please see the Resolution section below. 5. Resolution This issue is addressed in the following releases: * Sun Fire T2000 (with Solaris 10) with patch 121236-01 or later * Sun Fire T2000 with Solaris 10 Update 1 or later Note: The T2000 platform is now shipping with Solaris 10 Update 1 installed. [***** End Sun Alert ID: 102543 *****] _______________________________________________________________________________ CIAC wishes to acknowledge the contributions of Sun 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. 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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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