Red Hat Security Advisory: icedtea-web security update Security Advisory secalert@redhat.com Red Hat Security Response Team RHSA-2012:1434 Final 1 1 2012-11-07T18:41:00Z Current version 2012-11-07T18:41:00Z 2012-11-07T18:41:00Z Red Hat rhsa-to-cvrf 1.0.1484 2012-11-07T18:52:02Z Updated icedtea-web packages that fix one security issue are now available for Red Hat Enterprise Linux 6. The Red Hat Security Response Team has rated this update as having critical security impact. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available from the CVE link in the References section. The IcedTea-Web project provides a Java web browser plug-in and an implementation of Java Web Start, which is based on the Netx project. It also contains a configuration tool for managing deployment settings for the plug-in and Web Start implementations. A buffer overflow flaw was found in the IcedTea-Web plug-in. Visiting a malicious web page could cause a web browser using the IcedTea-Web plug-in to crash or, possibly, execute arbitrary code. (CVE-2012-4540) Red Hat would like to thank Arthur Gerkis for reporting this issue. This erratum also upgrades IcedTea-Web to version 1.2.2. Refer to the NEWS file, linked to in the References, for further information. All IcedTea-Web users should upgrade to these updated packages, which resolve this issue. Web browsers using the IcedTea-Web browser plug-in must be restarted for this update to take effect. Please see https://www.redhat.com/footer/terms-of-use.html Copyright © 2012 Red Hat, Inc. All rights reserved. Critical https://rhn.redhat.com/errata/RHSA-2012-1434.html https://rhn.redhat.com/errata/RHSA-2012-1434.html https://access.redhat.com/security/updates/classification/#critical https://access.redhat.com/security/updates/classification/#critical http://icedtea.classpath.org/hg/release/icedtea-web-1.2/file/icedtea-web-1.2.2/NEWS http://icedtea.classpath.org/hg/release/icedtea-web-1.2/file/icedtea-web-1.2.2/NEWS Red Hat Enterprise Linux HPC Node Optional (v. 6) Red Hat Enterprise Linux Server (v. 6) Red Hat Enterprise Linux Workstation (v. 6) Red Hat Enterprise Linux Desktop Optional (v. 6) Red Hat Enterprise Linux Workstation Optional (v. 6) Red Hat Enterprise Linux HPC Node (v. 6) Red Hat Enterprise Linux Desktop (v. 6) Red Hat Enterprise Linux Server Optional (v. 6) icedtea-web-1.2.2-1.el6_3.src.rpm icedtea-web-1.2.2-1.el6_3 as a component of Red Hat Enterprise Linux HPC Node Optional (v. 6) icedtea-web-1.2.2-1.el6_3 as a component of Red Hat Enterprise Linux Server (v. 6) icedtea-web-1.2.2-1.el6_3 as a component of Red Hat Enterprise Linux Workstation (v. 6) icedtea-web-1.2.2-1.el6_3 as a component of Red Hat Enterprise Linux Desktop Optional (v. 6) icedtea-web-1.2.2-1.el6_3 as a component of Red Hat Enterprise Linux Workstation Optional (v. 6) icedtea-web-1.2.2-1.el6_3 as a component of Red Hat Enterprise Linux HPC Node (v. 6) icedtea-web-1.2.2-1.el6_3 as a component of Red Hat Enterprise Linux Desktop (v. 6) icedtea-web-1.2.2-1.el6_3 as a component of Red Hat Enterprise Linux Server Optional (v. 6) A buffer overflow flaw was found in the IcedTea-Web plug-in. Visiting a malicious web page could cause a web browser using the IcedTea-Web plug-in to crash or, possibly, execute arbitrary code. 2012-10-22T00:00:00Z 2012-11-07T00:00:00Z CVE-2012-4540 6Client-6.3.z:icedtea-web-1.2.2-1.el6_3 6Client-optional-6.3.z:icedtea-web-1.2.2-1.el6_3 6ComputeNode-6.3.z:icedtea-web-1.2.2-1.el6_3 6ComputeNode-optional-6.3.z:icedtea-web-1.2.2-1.el6_3 6Server-6.3.z:icedtea-web-1.2.2-1.el6_3 6Server-optional-6.3.z:icedtea-web-1.2.2-1.el6_3 6Workstation-6.3.z:icedtea-web-1.2.2-1.el6_3 6Workstation-optional-6.3.z:icedtea-web-1.2.2-1.el6_3 Critical 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P Before applying this update, make sure all previously-released errata relevant to your system have been applied. This update is available via the Red Hat Network. Details on how to use the Red Hat Network to apply this update are available at https://access.redhat.com/knowledge/articles/11258 https://rhn.redhat.com/errata/RHSA-2012-1434.html https://www.redhat.com/security/data/cve/CVE-2012-4540.html CVE-2012-4540 https://bugzilla.redhat.com/show_bug.cgi?id=869040 bz#869040: CVE-2012-4540 icedtea-web: IcedTeaScriptableJavaObject::invoke off-by-one heap-based buffer overflow Red Hat would like to thank Arthur Gerkis for reporting this issue.