__________________________________________________________ The U.S. Department of Energy Computer Incident Advisory Capability ___ __ __ _ ___ / | /_\ / \___ __|__ / \ \___ __________________________________________________________ INFORMATION BULLETIN Mozilla Crashes with Evidence of Memory Corruption [Mozilla Foundation Security Advisory 2007-01] February 26, 2007 18:00 GMT Number R-163 ______________________________________________________________________________ PROBLEM: The Mozilla JavaScript engine contains multiple memory corruption vulnerabilities. PLATFORM: Firefox 2.0.0, 1.5.0.9 Thunderbird 1.5.0.9 SeaMonkey 1.0.7 DAMAGE: Memory corruption and could run arbitrary code. SOLUTION: Upgrade to the appropriate version. ______________________________________________________________________________ VULNERABILITY The risk is MEDIUM. Memory corruption and could run arbitrary ASSESSMENT: code. ______________________________________________________________________________ LINKS: CIAC BULLETIN: http://www.ciac.org/ciac/bulletins/r-163.shtml ORIGINAL BULLETIN: http://www.mozilla.org/security/announce/2007/mfsa2007-01 .html CVE: http://www.cve.mitre.org/cgi-bin/cvename.cgi?name= CVE-2007-0775 ______________________________________________________________________________ [***** Start Mozilla Foundation Security Advisory 2007-01 *****] Mozilla Foundation Security Advisory 2007-01 Title: Crashes with evidence of memory corruption (rv:1.8.0.10/1.8.1.2) Impact: Critical Announced: February 23, 2007 Reporter: Mozilla developers and community Products: Firefox, Thunderbird, SeaMonkey Fixed in: Firefox 2.0.0.2 Firefox 1.5.0.10 Thunderbird 1.5.0.10 SeaMonkey 1.0.8 Description As part of the Firefox 2.0.0.2 and 1.5.0.10 update releases we fixed several bugs to improve the stability of the product. Some of these were crashes that showed evidence of memory corruption and we presume that with enough effort at least some of these could be exploited to run arbitrary code. Note: Thunderbird shares the browser engine with Firefox and could be vulnerable if JavaScript were to be enabled in mail. This is not the default setting and we strongly discourage users from running JavaScript in mail. Without further investigation we cannot rule out the possibility that for some of these an attacker might be able to prepare memory for exploitation through some means other than JavaScript, such as large images. Workaround Upgrade to the fixed versions. Do not enable JavaScript in Thunderbird or the mail portions of SeaMonkey. References Jesse Ruderman, Martijn Wargers and Olli Pettay reported crashes in the layout engine CVE-2007-0775 https://bugzilla.mozilla.org/show_bug.cgi?id=326864 https://bugzilla.mozilla.org/show_bug.cgi?id=344228 https://bugzilla.mozilla.org/show_bug.cgi?id=359371 https://bugzilla.mozilla.org/show_bug.cgi?id=367243 https://bugzilla.mozilla.org/show_bug.cgi?id=369413 https://bugzilla.mozilla.org/show_bug.cgi?id=337716 https://bugzilla.mozilla.org/show_bug.cgi?id=343293 https://bugzilla.mozilla.org/show_bug.cgi?id=362724 https://bugzilla.mozilla.org/show_bug.cgi?id=363813 Tom Ferris reported a heap buffer overflow in SVG involving wide stroke widths. This flaw was introduced in Firefox 2 and does not affect earlier releases. CVE-2007-0776 https://bugzilla.mozilla.org/show_bug.cgi?id=360645 Brian Crowder, Igor Bukanov, Johnny Stenback, moz_bug_r_a4 and shutdown reported potential memory corruption in the JavaScript engine CVE-2007-0777 https://bugzilla.mozilla.org/show_bug.cgi?id=368534 https://bugzilla.mozilla.org/show_bug.cgi?id=362909 https://bugzilla.mozilla.org/show_bug.cgi?id=365527 https://bugzilla.mozilla.org/show_bug.cgi?id=365692 https://bugzilla.mozilla.org/show_bug.cgi?id=366601 https://bugzilla.mozilla.org/show_bug.cgi?id=364657 https://bugzilla.mozilla.org/show_bug.cgi?id=367118 https://bugzilla.mozilla.org/show_bug.cgi?id=367119 https://bugzilla.mozilla.org/show_bug.cgi?id=367120 https://bugzilla.mozilla.org/show_bug.cgi?id=367501 https://bugzilla.mozilla.org/show_bug.cgi?id=362872 https://bugzilla.mozilla.org/show_bug.cgi?id=364023 https://bugzilla.mozilla.org/show_bug.cgi?id=366122 https://bugzilla.mozilla.org/show_bug.cgi?id=366123 -------------------------------------------------------------------------------- [***** End Mozilla Foundation Security Advisory 2007-01 *****] _______________________________________________________________________________ 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) R-152: KOffice Security Update R-153: Cisco Unified IP Conference Station and IP Phone Vulnerabilities R-154: Multiple Vulnerabilities in 802.1X Supplicant R-156: Buffer Overflow in ServerProtect R-157: Macrovision FLEXnet Connect / InstallShield Update Service Agent R-158: VeriSign Managed PKI Configuration Checker R-159: Macrovision / InstallShield InstallFromTheWeb R-160: McAfee Virex Vulnerability R-161: Stack Overflow in Third-Party ActiveX Controls R-162: Mozilla Firefox has a Memory Corruption