__________________________________________________________ The U.S. Department of Energy Computer Incident Advisory Capability ___ __ __ _ ___ / | /_\ / \___ __|__ / \ \___ __________________________________________________________ INFORMATION BULLETIN Microsoft Cumulative Security Update for Internet Explorer (867801) [Microsoft Security Bulletin MS04-025] July 30, 2004 17:00 GMT Number O-191 [REVISED Aug 2 2004] ______________________________________________________________________________ PROBLEM: There are 3 vulnerabilities in Microsoft Internet Explorer: 1) A navigation method cross-domain vulnerability; 2) A malformed BMP file buffer overrun vulnerability; and 3) A malformed GIF file double free vulnerability. PLATFORM: Microsoft Windows NTฎ Workstation 4.0 Service Pack 6a Microsoft Windows NT Server 4.0 Service Pack 6a Microsoft Windows NT Server 4.0 Terminal Server Edition Service Pack 6 Microsoft Windows 2000 Service Pack 2, Microsoft Windows 2000 Service Pack 3, Microsoft Windows 2000 Service Pack 4 Microsoft Windows XP and Microsoft Windows XP Service Pack 1 Microsoft Windows XP 64-Bit Edition Service Pack 1 Microsoft Windows XP 64-Bit Edition Version 2003 Microsoft Windows Serverฎ 2003 Microsoft Windows Server 2003 64-Bit Edition Microsoft Windows 98, Microsoft Windows 98 Second Edition (SE), and Microsoft Windows Millennium Edition (Me) SOFTWARE: Interner Explorer 5.01 Service Pack 2 Internet Explorer 5.01 Service Pack 3 Internet Explorer 5.01 Service Pack 4 Internet Explorer 5.5 Service Pack 2 Internet Explorer 6 Internet Explorer 6 Service Pack 1 Internet Explorer 6 Service Pack 1 (64-Bit Edition) Internet Explorer 6 for Windows Server 2003 Internet Explorer 6 for Windows Server 2003 (64-Bit Edition) DAMAGE: An attacker could take complete control of an affected system, including installing programs; viewing, changing, or deleting data; or creating new accounts with full privileges. SOLUTION: Apply the update immediately. ______________________________________________________________________________ VULNERABILITY The risk is MEDIUM. A remote attacker may execute code with ASSESSMENT: privileges of the logged on user, by hosting a malicious website and enticing a user to view the site or access the site via an HTML email message. ______________________________________________________________________________ LINKS: CIAC BULLETIN: http://www.ciac.org/ciac/bulletins/o-191.shtml ORIGINAL BULLETIN: Microsoft Security Bulletin MS04-025 http://www.microsoft.com/technet/security/bulletin/ms04- 025.mspx CVE/CAN: http://www.cve.mitre.org/cgi-bin/cvename.cgi?name= CAN-2004-0549 CAN-2004-0566 CAN-2003-1048 ______________________________________________________________________________ REVISION HISTORY: 8/2/04 - On Aug. 1, 2004, Microsoft revised the Caveats section to reflect availability of a new version of the update for Windows XP customers running Windows Update Version 5. [***** Start Microsoft Security Bulletin MS04-025 *****] Microsoft Security Bulletin MS04-025 Cumulative Security Update for Internet Explorer (867801) Issued: July 30, 2004 Updated: August 1, 2004 Version: 1.0 Summary Who should read this document: Customers who use Microsoftฎ Internet Explorer Impact of Vulnerability: Remote Code Execution Maximum Severity Rating: Critical Recommendation: Customers should apply the update immediately. Security Update Replacement: This update replaces the one that is provided in Microsoft Security Bulletin MS04-004, which is itself a cumulative update. Caveats: Subsequent to the release of this security bulletin, Microsoft was made aware that the update provided for Windows XP customers running the new version of Windows Update, Windows Update Version 5, did not contain the final release code for the vulnerabilities addressed in the security bulletin. Microsoft has corrected the update and is re-releasing this bulletin to advise of the availability of a revised update available to Windows Update Version 5 customers. Customers who are utilizing Windows Update Version 4, the vast majority of customers, are not affected by this revision. This update does not include hotfixes for Internet Explorer provided since the release of MS04-004. Customers who have received hotfixes from Microsoft or their support providers since the release of MS04-004 should review the FAQ section for this update to determine how this update might impact their operating systems. Tested Software and Security Update Download Locations: Affected Software: • Microsoft Windows NTฎ Workstation 4.0 Service Pack 6a • Microsoft Windows NT Server 4.0 Service Pack 6a • Microsoft Windows NT Server 4.0 Terminal Server Edition Service Pack 6 • Microsoft Windows 2000 Service Pack 2, Microsoft Windows 2000 Service Pack 3, Microsoft Windows 2000 Service Pack 4 • Microsoft Windows XP and Microsoft Windows XP Service Pack 1 • Microsoft Windows XP 64-Bit Edition Service Pack 1 • Microsoft Windows XP 64-Bit Edition Version 2003 • Microsoft Windows Serverฎ 2003 • Microsoft Windows Server 2003 64-Bit Edition • Microsoft Windows 98, Microsoft Windows 98 Second Edition (SE), and Microsoft Windows Millennium Edition (Me) – Review the FAQ section of this bulletin for details about these operating systems. Tested Microsoft Windows Components: Affected Components: • Internet Explorer 5.01 Service Pack 2: Download the update. • Internet Explorer 5.01 Service Pack 3: Download the update. • Internet Explorer 5.01 Service Pack 4: Download the update. • Internet Explorer 5.5 Service Pack 2: Download the update. • Internet Explorer 6: Download the update. • Internet Explorer 6 Service Pack 1: Download the update. • Internet Explorer 6 Service Pack 1 (64-Bit Edition): Download the update. • Internet Explorer 6 for Windows Server 2003: Download the update. • Internet Explorer 6 for Windows Server 2003 (64-Bit Edition): Download the update. The software in this list has been tested to determine if the versions are affected. Other versions either no longer include security update support or may not be affected. To determine the support lifecycle for your product and version, visit the following Microsoft Support Lifecycle Web site. General Information Executive Summary: This update resolves several newly discovered public vulnerabilities. Each vulnerability is documented in this bulletin in its own Vulnerability Details section. If a user is logged on with administrative privileges, an attacker who successfully exploited the most severe of these vulnerabilities could take complete control of an affected system, including installing programs; viewing, changing, or deleting data; or creating new accounts with full privileges. Users whose accounts are configured to have fewer privileges on the system would be at less risk than users who operate with administrative privileges. Microsoft recommends that customers apply the update immediately. Severity Ratings and Vulnerability Identifiers: ************************************************************************************************* Vulnerability Impact of Internet Internet Internet Internet Internet Identifiers Vulnerability Explorer 5.01 Explorer 5.5 Explorer 6 Explorer 6 Explorer 6 SP2, SP3, SP4 SP2 SP1 (All for versions Windows earlier than Server 2003 Windows Server (including 2003) 64-bit Edition) ************************************************************************************************* Navigation Remote None Critical Critical Critical Moderate Method Cross- Code Domain Execution Vulnerability -CAN-2004-0549 ************************************************************************************************* Malformed BMP Remote Critical Critical Critical None None File Buffer Code Overrun Execution Vulnerability CAN-2004-0566 ************************************************************************************************* Malformed GIF Remote Critical Critical Critical Critical Critical File Double Code Free Execution Vulnerability -CAN-2003-1048 ************************************************************************************************* Aggregate Critical Critical Critical Critical Critical Severity of All Vulnerabilities ************************************************************************************************* This assessment is based on the types of systems that are affected by the vulnerability, their typical deployment patterns, and the effect that exploiting the vulnerability would have on them. Security Update Information Installation Platforms and Prerequisites: For additional information about how to determine which version of Internet Explorer you are running, click the following article number to view the article in the Microsoft Knowledge Base: 164539 How to Determine Which Version of Internet Explorer Is Installed For information about the specific security update for your platform, click the appropriate link: * Internet Explorer 6 for Windows Server 2003 (all versions) and Windows XP 64-bit Edition, Version 2003 * Internet Explorer 6 SP1 for Windows XP (all versions), Windows 2000 (all versions), Windows NT 4.0 6a (all versions), Windows Millennium Edition (Me), and Windows 98 (all versions) * Internet Explorer 6 for Windows XP * Internet Explorere 5.5 SP2 for Windows Millennium Edition (Me) * Internet Explorer 5.01 for Windows 2000 (all versions) Obtaining Other Security Updates: Updates for other security issues are available from the following locations: • Security updates are available from the Microsoft Download Center: You can find them most easily by doing a keyword search for "security_patch". • Updates for consumer platforms are available from the Windows Update Web site. Support: • Customers in the U.S. and Canada can receive technical support from Microsoft Product Support Services at 1-866-PCSAFETY. There is no charge for support calls that are associated with security updates. • International customers can receive support from their local Microsoft subsidiaries. There is no charge for support that is associated with security updates. For more information about how to contact Microsoft for support issues, visit the International Support Web site. Security Resources: • The Microsoft TechNet Security Web site provides additional information about security in Microsoft products. • Microsoft Software Update Services • Microsoft Baseline Security Analyzer (MBSA) • Windows Update • Windows Update Catalog: For more information about the Windows Update Catalog, see Microsoft Knowledge Base Article 323166. • Office Update Software Update Services: By using Microsoft Software Update Services (SUS), administrators can quickly and reliably deploy the latest critical updates and security updates to Windows 2000 and Windows Server 2003-based servers, and to desktop systems that are running Windows 2000 Professional or Windows XP Professional. For more information about how to deploy this security update with Software Update Services, visit the Software Update Services Web site. Systems Management Server: Microsoft Systems Management Server (SMS) delivers a highly-configurable enterprise solution for managing updates. By using SMS, administrators can identify Windows-based systems that require security updates and to perform controlled deployment of these updates throughout the enterprise with minimal disruption to end users. For more information about how administrators can use SMS 2003 to deploy security updates, see the SMS 2003 Security Patch Management Web site. SMS 2.0 users can also use Software Updates Service Feature Pack to help deploy security updates. For information about SMS, visit the SMS Web site. Note SMS uses the Microsoft Baseline Security Analyzer and the Microsoft Office Detection Tool to provide broad support for security bulletin update detection and deployment. Some software updates may not be detected by these tools. Administrators can use the inventory capabilities of the SMS in these cases to target updates to specific systems. For more information about this procedure, see the following Web site. Some security updates require administrative rights following a restart of the system. Administrators can use the Elevated Rights Deployment Tool (available in the SMS 2003 Administration Feature Pack and in the SMS 2.0 Administration Feature Pack) to install these updates. Disclaimer: The information provided in the Microsoft Knowledge Base is provided "as is" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply. Revisions: • V1.0 (July 30, 2004) Bulletin published • V2.0 (August 1, 2004) Bulletin updated to reflect availability of a new version of the update for Windows XP customers running Windows Update Version 5. [***** End Microsoft Security Bulletin MS04-025 *****] _______________________________________________________________________________ CIAC wishes to acknowledge the contributions of Microsoft 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. LAST 10 CIAC BULLETINS ISSUED (Previous bulletins available from CIAC) O-181: Microsoft Vulnerability in POSIX Could Allow Code Execution O-182: Microsoft Vulnerability in HTML Help Could Allow Code Execution O-183: Microsoft Vulnerability in Windows Shell Could Allow Remote Code Execution O-184: PHP memory_limit and strip_tags Vulnerabilities O-185: Sun Java System Web Server Cross-site Scripting Vulnerabilitiy O-186: Samba Buffer Overrun Vulnerabilities O-187: 'chown(2)' System Call Vulnerability O-188: libapache-mod-ssl O-189: HP-UX xfs and stmkfont Vulnerabilities O-190: Check Point ASN.1 VPN-1 Buffer Overrun