JPCERT-AT-2014-0015 JPCERT/CC 2014-04-09 <<< JPCERT/CC Alert 2014-04-09 >>> Microsoft Security Bulletin for April 2014 (including 2 critical patches) https://www.jpcert.or.jp/english/at/2014/at140015.html I. Overview Microsoft has released its security bulletin for April, 2014. This bulletin contains two (2) updates that are rated as "critical". Remote attackers leveraging these vulnerabilities may be able to execute arbitrary code. Details on the vulnerabilities can be found at the following URL: Microsoft Security Bulletin Summary for April 2014 https://technet.microsoft.com/en-us/security/bulletin/ms14-apr [Security updates rated as "critical"] MS14-017 Vulnerabilities in Microsoft Word and Office Web Apps Could Allow Remote Code Execution (2949660) https://technet.microsoft.com/en-us/security/bulletin/ms14-017 MS14-018 Cumulative Security Update for Internet Explorer (2950467) https://technet.microsoft.com/en-us/security/bulletin/ms14-018 According to Microsoft, targeted attacks leveraging MS14-017 have been observed in the wild. II. Solution Please apply the security update programs through Microsoft Update, Windows Update, etc. as soon as possible. Microsoft Update http://www.update.microsoft.com/ Windows Update http://windowsupdate.microsoft.com/ * With this update, Microsoft will end support for Windows XP and Office 2003. Security updates will not be provided after the end of support and concerns on security risk will rise, therefore please consider updating to a newer OS and software. * If migration to a newer OS or software cannot be completed due to unavoidable circumstances, it is recommended to apply security updates provided by Microsoft, implement a vulnerability mitigation tool, such as EMET. Additionally, in order to reduce risk as much as possible do not access the internet, do not connect untrusted USB memory sticks or other external storage devices III. References Microsoft Corporation Microsoft Security Bulletin Summary for April 2014 https://technet.microsoft.com/en-us/security/bulletin/ms14-apr Microsoft Corporation Security Information for April 2014 (Monthly) - MS14-017 - MS14-020 (Japanese) http://blogs.technet.com/b/jpsecurity/archive/2014/04/09/microsoft-security-bulletin-201404.aspx Microsoft Corporation Update for Vulnerabilities in Adobe Flash Player in Internet Explorer https://technet.microsoft.com/en-us/security/advisory/2755801 If you have any information regarding this alert, please contact JPCERT/CC. ====================================================================== JPCERT Coordination Center (JPCERT/CC) MAIL: info@jpcert.or.jp TEL: +81-3-3518-4600 FAX: +81-3-3518-4602 https://www.jpcert.or.jp/english/