__________________________________________________________ The U.S. Department of Energy Computer Incident Advisory Capability ___ __ __ _ ___ / | /_\ / \___ __|__ / \ \___ __________________________________________________________ INFORMATION BULLETIN Firefox and Mozilla Buffer Overflow Vulnerability [Red Hat Hat Advisory RHSA-2005:768-8] September 12, 2005 16:00 GMT Number P-303 [REVISED 13 Sep 2005] [REVISED 23 Sep 2005] [REVISED 03 Oct 2005] [REVISED 04 Oct 2005] [REVISED 06 Oct 2005] [REVISED 13 Oct 2005] [REVISED 20 Oct 2005] [REVISED 09 Nov 2005] ______________________________________________________________________________ PROBLEM: Firefox and Mozilla do not properly handle certain international domain names. Firefox is a popular open source web browser. Mozilla is an open source web browser, advanced email and newsgroup client, IRC chat client, and HTML editor. PLATFORM: Firefox versions prior to 1.0.7 Mozilla Suite versions prior to 1.7.12 Thunderbird verseions prior to 1.0.7 Red Hat Desktop (v. 3 and v. 4) Red Hat Enterprise Linux AS, ES, WS (v. 2.1, v. 3, v. 4) Red Hat Linux Advanced Workstation 2.1 for the Itanium Processor Debian Linux/GNU version 3.1 (sarge) SGI Advanced Linux Environment 3, ProPack 3 HP-UX B.11.00, B.11.11, B.11.22, B.11.23 running Mozilla 1.7.11 and previous DAMAGE: If an attacker is successful in persuading a user to visit a malicious web site, they may be able to take control of the user’s machine. SOLUTION: Apply the security updates. ______________________________________________________________________________ VULNERABILITY The risk is HIGH. A remote attacker could create a specially ASSESSMENT: crafted HTML file, that could cause a denial of service or possibly execute arbitrary code. ______________________________________________________________________________ LINKS: CIAC BULLETIN: http://www.ciac.org/ciac/bulletins/p-303.shtml ORIGINAL BULLETIN: https://rhn.redhat.com/errata/RHSA-2005-768.html ADDITIONAL LINKS: Red Hat Security Advisory RHSA-2005:769-8 https://rhn.redhat.com/errata/RHSA-2005-769.html Information from Mozilla https://addons.mozilla.org/messages/307259.html Mozilla Security Advisory MFSA 2005-57 http://www.mozilla.org/security/announce/mfsa2005-57.html Debian Security Advisory DSA-837-1 http://www.debian.org/security/2005/dsa-837 SGI Security Update #47, Document #20050902-01-U ftp://patches.sgi.com/support/free/security/advisories/ 20050902-01-U.asc Visit Hewlett-Packard Subscription Service for: HPSBUX01133 / SSRT5940 Rev. 2 HPSBUX01231 / SSRT051041 HPSBUX01231 / SSRT051041 rev. 1 HPSBUX01231 / SSRT051041 rev. 2 Red Hat Security Advisory RHSA-2005:791-8 https://rhn.redhat.com/errata/RHSA-2005-791.html Debian Security Advisory DSA-868-1 http://www.debian.org/security/2005/dsa-868 Debian Security Advisory DSA-866-1 http://www.debian.org/security/2005/dsa-866 CVE/CAN: http://www.cve.mitre.org/cgi-bin/cvename.cgi?name= CAN-2005-2871 ______________________________________________________________________________ REVISION HISTORY: 09/13/2005 - added link to Mozilla's document "What Firefox and Mozilla users should know about the IDN buffer overflow security issue" that provides update options (patch or workaround) addressing this vulnerability. 09/23/2005 - revised to include a link to Mozilla Security Advisory MFSA 2005-57. 10/03/2005 - added a link to Debian Security Advisory DSA-837 that provides updated mozilla-firefox packages. Also SGI provides patches available in SGI Security Update #47, Patch 10218 for SGI ProPack 3 Service Pack 6. 10/04/2005 - revised to include a reference to HP's newly released HPSBUX01231 / SSRT051041 that provides patches for HP-UX B.11.00, B.11.11, B.11.22, B.11.23 running Mozilla 1.7.11 and previous. This patch addresses the vulnerability noted below and detailed in Mozilla's MFSA 2005-57. Also, this bulletin is revised to include a reference to HPSBUX01133 / SSRT5940 Rev. 2, that provides a workaround for users running Mozilla 1.7.8 and previous. 10/06/2005 - added link to Red Hat Security Advisory RHSA-2005:791 that provides Red Hat 4 patches for Thunderbird, a standalone mail and newsgroup client, that is also vulnerable to the issues described in this Bulletin. 10/13/2005 - revised to include a reference to HP's newly released HPSBUX01231 / SSRT051041 rev. 1 that provides patches for preliminary Mozilla 1.7.12 availability. 10/20/2005 - added a link to Debian Security Advisories DSA-868-1 and DSA-866-1 for Debian GNU/Linux 3.1 alias sarge. 11/09/2005 - revised to include a reference to HP's newly released HPSBUX01231 / SSRT051041 rev. 2 that states Mozilla for HP-UX version 1.7.12.01 is now available. [***** Start Red Hat Hat Advisory RHSA-2005:768-8 *****] Critical: firefox security update Advisory: RHSA-2005:768-6 Type: Security Advisory Issued on: 2005-09-09 Last updated on: 2005-09-09 Affected Products: Red Hat Desktop (v. 4) Red Hat Enterprise Linux AS (v. 4) Red Hat Enterprise Linux ES (v. 4) Red Hat Enterprise Linux WS (v. 4) CVEs (cve.mitre.org): CAN-2005-2871 Details An updated firefox package that fixes as security bug is now available for Red Hat Enterprise Linux 4. This update has been rated as having critical security impact by the Red Hat Security Response Team. Mozilla Firefox is an open source Web browser. A bug was found in the way Firefox processes certain international domain names. An attacker could create a specially crafted HTML file, which when viewed by the victim would cause Firefox to crash or possibly execute arbitrary code. The Common Vulnerabilities and Exposures project (cve.mitre.org) has assigned the name CAN-2005-2871 to this issue. Users of Firefox are advised to upgrade to this updated package that contains a backported patch and is not vulnerable to this issue. Solution Before applying this update, make sure all previously released errata relevant to your system have been applied. This update is available via Red Hat Network. To use Red Hat Network, launch the Red Hat Update Agent with the following command: up2date This will start an interactive process that will result in the appropriate RPMs being upgraded on your system. Updated packages Red Hat Desktop (v. 4) SRPMS: firefox-1.0.6-1.4.2.src.rpm 8aa01f9cb442093b6d1f37a637130613 IA-32: firefox-1.0.6-1.4.2.i386.rpm bbbae2299ecaad24abaa13d4c773402b x86_64: firefox-1.0.6-1.4.2.x86_64.rpm 37e79e5af0f174711bc83475977c11d4 Red Hat Enterprise Linux AS (v. 4) SRPMS: firefox-1.0.6-1.4.2.src.rpm 8aa01f9cb442093b6d1f37a637130613 IA-32: firefox-1.0.6-1.4.2.i386.rpm bbbae2299ecaad24abaa13d4c773402b IA-64: firefox-1.0.6-1.4.2.ia64.rpm 488e71f4d6c953f45fd6d58a680b5298 PPC: firefox-1.0.6-1.4.2.ppc.rpm 37510d0d186d37df07b40d0f9386624b s390: firefox-1.0.6-1.4.2.s390.rpm 01a95a128cdd4bef268880e7fc9297fe s390x: firefox-1.0.6-1.4.2.s390x.rpm 4f14cc8c8fadd5147a0c942b126bc84b x86_64: firefox-1.0.6-1.4.2.x86_64.rpm 37e79e5af0f174711bc83475977c11d4 Red Hat Enterprise Linux ES (v. 4) SRPMS: firefox-1.0.6-1.4.2.src.rpm 8aa01f9cb442093b6d1f37a637130613 IA-32: firefox-1.0.6-1.4.2.i386.rpm bbbae2299ecaad24abaa13d4c773402b IA-64: firefox-1.0.6-1.4.2.ia64.rpm 488e71f4d6c953f45fd6d58a680b5298 x86_64: firefox-1.0.6-1.4.2.x86_64.rpm 37e79e5af0f174711bc83475977c11d4 Red Hat Enterprise Linux WS (v. 4) SRPMS: firefox-1.0.6-1.4.2.src.rpm 8aa01f9cb442093b6d1f37a637130613 IA-32: firefox-1.0.6-1.4.2.i386.rpm bbbae2299ecaad24abaa13d4c773402b IA-64: firefox-1.0.6-1.4.2.ia64.rpm 488e71f4d6c953f45fd6d58a680b5298 x86_64: firefox-1.0.6-1.4.2.x86_64.rpm 37e79e5af0f174711bc83475977c11d4 (The unlinked packages above are only available from the Red Hat Network) Bugs fixed (see bugzilla for more information) 167930 - CAN-2005-2871 Firefox buffer overflow References http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-2871 These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from: https://www.redhat.com/security/team/key/#package The Red Hat security contact is secalert@redhat.com. More contact details at http://www.redhat.com/security/team/contact/ [***** End Red Hat Hat Advisory RHSA-2005:768-8 *****] _______________________________________________________________________________ CIAC wishes to acknowledge the contributions of Red Hat 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) P-293: HP Openview Network Node Manager (OV NNM) Remote Unauthorized Access P-294: phpldapadmin P-295: Courier P-296: PCRE3 P-297: HP OpenView Event Correlation Services Vulnerability P-298: Sun iPlanet Messaging Server Vulnerability P-299: 'cvsbug' Security Update P-300: Cisco IOS Firewall Authentication Proxy for FTP and Telnet Sessions Vulnerability P-301: httpd Security Update P-302: Cisco CSS SSL Authentication Bypass Security Notice