Eduardo Vela Nava

**Name of the Vulnerable Software and Affected Versions** Microsoft Windows XP versions SP2 through SP3 Microsoft Windows Server 2003 version SP2 Microsoft Windows Vista versions SP1 through SP2 Microsoft Windows Server 2008 versions Gold through R2 SP1 Microsoft Windows 7 versions Gold through SP1 **Description** The issue arises from the MHTML protocol handler's improper handling of a MIME format in requests for embedded content in HTML documents. This allows remote attackers to conduct cross-site scripting (XSS) attacks via a crafted EMBED element in a web page visited in Internet Explorer. **Recommendations** For Microsoft Windows XP versions SP2 through SP3, apply the recommended patch to resolve the issue. For Microsoft Windows Server 2003 version SP2, apply the recommended patch to resolve the issue. For Microsoft Windows Vista versions SP1 through SP2, apply the recommended patch to resolve the issue. For Microsoft Windows Server 2008 versions Gold through R2 SP1, apply the recommended patch to resolve the issue. For Microsoft Windows 7 versions Gold through SP1, apply the recommended patch to resolve the issue.

**Name of the Vulnerable Software and Affected Versions** Mozilla Firefox versions prior to 3.5.14 and 3.6.x prior to 3.6.11 Thunderbird versions prior to 3.0.9 and 3.1.x prior to 3.1.5 SeaMonkey versions prior to 2.0.9 **Description** The issue arises from improper handling of certain modal calls made by `javascript:` URLs, specifically when opening a new window and performing cross-domain navigation. This allows remote attackers to bypass the Same Origin Policy via a crafted HTML document. **Recommendations** For Mozilla Firefox versions prior to 3.5.14 and 3.6.x prior to 3.6.11, update to version 3.5.14 or 3.6.11 or later. For Thunderbird versions prior to 3.0.9 and 3.1.x prior to 3.1.5, update to version 3.0.9 or 3.1.5 or later. For SeaMonkey versions prior to 2.0.9, update to version 2.0.9 or later.

**Name of the Vulnerable Software and Affected Versions** Apple Safari versions prior to 5.0 on Mac OS X 10.5 through 10.6 and Windows Apple Safari versions prior to 4.1 on Mac OS X 10.4 **Description** A cross-site scripting (XSS) issue allows remote attackers to inject arbitrary web script or HTML via vectors involving HTML document fragments. **Recommendations** For Apple Safari versions prior to 5.0 on Mac OS X 10.5 through 10.6 and Windows, update to version 5.0 or later. For Apple Safari versions prior to 4.1 on Mac OS X 10.4, update to version 4.1 or later.