__________________________________________________________ The U.S. Department of Energy Computer Incident Advisory Capability ___ __ __ _ ___ / | /_\ / \___ __|__ / \ \___ __________________________________________________________ INFORMATION BULLETIN Mozilla Vulnerability in BMP Decoder [Mozilla Foundation Security Advisory 2008-07] February 27, 2008 20:00 GMT Number S-212 ______________________________________________________________________________ PROBLEM: There is a vulnerability in Mozilla products where the BMP images could be used to reveal small chunks of uninitialized memory that might contain sensitive data from other pages or other programs, and that this data could be extracted from the image using methods associated with the feature. PLATFORM: Firefox 2.0.0.12 Thunderbird 2.0.0.12 SeaMonkey 1.1.8 DAMAGE: Possible information disclosure. SOLUTION: Upgrade to the appropriate version. ______________________________________________________________________________ VULNERABILITY The risk is LOW. Could reveal small chunks of uninitialized ASSESSMENT: memory that might contain sensitive data from other pages or other programs. ______________________________________________________________________________ LINKS: CIAC BULLETIN: http://www.ciac.org/ciac/bulletins/s-212.shtml ORIGINAL BULLETIN: http://www.mozilla.org/security/announce/2008/mfsa2008-07.html CVE: http://www.cve.mitre.org/cgi-bin/cvename.cgi?name= CVE-2008-0420 ______________________________________________________________________________ [***** Start Mozilla Foundation Security Advisory 2008-07 *****] Mozilla Foundation Security Advisory 2008-07 Title: Possible information disclosure in BMP decoder Impact: Moderate Announced: February 19, 2008 Reporter: Gynvael Coldwind // Vexillium Products: Firefox, Thunderbird, SeaMonkey Fixed in: Firefox 2.0.0.12 Thunderbird 2.0.0.12 SeaMonkey 1.1.8 Description Security researcher Gynvael Coldwind of Vexillium (crediting help from udevd and porneL) demonstrated that BMP images could be used to reveal small chunks of uninitialized memory that might contain sensitive data from other pages or other programs, and that this data could be extracted from the image using methods associated with the feature. Because this flaw also affected products from other vendors disclosure was delayed until they could release a fix. Workaround Disable JavaScript until a version containing these fixes can be installed. References https://bugzilla.mozilla.org/show_bug.cgi?id=408076 CVE-2008-0420 -------------------------------------------------------------------------------- [***** End Mozilla Foundation Security Advisory 2008-07 *****] _______________________________________________________________________________ CIAC wishes to acknowledge the contributions of Mozilla 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) S-202: Cups Security Update S-203: Alsa-Drive Vulnerability S-204: OPera Web Browser Vulnerabilities S-205: PHP-Nuke EasyContent Module 'page_id' Parameter Vulnerability S-206: Symantec Decomposer Vulnerabilities S-207: Mozilla Vulnerability in External MIME bodies S-208: Ghostscript Vulnerability S-209: activePDF Server Packet Processing Vulnerability S-210: Rising Web Scan Object 'OL2005.dll' ActiveX Control Vulnerability S-211: Move Media Player Quantum Streaming Vulnerability