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<div><span class="Apple-style-span" style="font-family: Garamond; font-size: medium; ">Information Services & Technology (IS&T) would like to make the MIT community aware of a security advisory being published by Microsoft concerning the Internet Explorer web-browser.</span><span class="Apple-style-span" style="font-family: Garamond; font-size: medium; "><br>
</span><span class="Apple-style-span" style="font-family: Garamond; font-size: medium; "> </span><span class="Apple-style-span" style="font-family: Garamond; font-size: medium; "><br>
</span><span class="Apple-style-span" style="font-family: Garamond; font-size: medium; "><b>What</b></span><span class="Apple-style-span" style="font-family: Garamond; font-size: medium; "><br>
</span><span class="Apple-style-span" style="font-family: Garamond; font-size: medium; "> </span><span class="Apple-style-span" style="font-family: Garamond; font-size: medium; "><br>
</span><span class="Apple-style-span" style="font-family: Garamond; font-size: medium; ">Microsoft has announced the discovery of a zero-day exploit found Internet Explorer. The exploit allows an attacker to compromise affected machines when specially crafted
web-content is viewed with Internet Explorer. Microsoft is actively working on a patch for Internet Explorer; all major antivirus and anti-malware programs are currently unable to prevent or detect this exploit.</span><span class="Apple-style-span" style="font-family: Garamond; font-size: medium; "><br>
</span><span class="Apple-style-span" style="font-family: Garamond; font-size: medium; "> </span><span class="Apple-style-span" style="font-family: Garamond; font-size: medium; "><br>
</span><span class="Apple-style-span" style="font-family: Garamond; font-size: medium; "><b>What is a zero-day vulnerability?<br>
</b></span><span class="Apple-style-span" style="font-family: Garamond; font-size: medium; "> </span><span class="Apple-style-span" style="font-family: Garamond; font-size: medium; "><br>
</span><span class="Apple-style-span" style="font-family: Garamond; font-size: medium; ">A zero-day vulnerability is a previously unknown exploit in a computer application, meaning that the attack occurs on “day zero” of awareness of the vulnerability. This
means that the developers have had zero days to address and patch the vulnerability. [Source: Wikipedia]</span><span class="Apple-style-span" style="font-family: Garamond; font-size: medium; "><br>
</span><span class="Apple-style-span" style="font-family: Garamond; font-size: medium; "> </span><span class="Apple-style-span" style="font-family: Garamond; font-size: medium; "><br>
</span><span class="Apple-style-span" style="font-family: Garamond; font-size: medium; "><b>Who Is Affected<br>
</b></span><span class="Apple-style-span" style="font-family: Garamond; font-size: medium; "> </span><span class="Apple-style-span" style="font-family: Garamond; font-size: medium; "><br>
</span><span class="Apple-style-span" style="font-family: Garamond; font-size: medium; ">Microsoft Windows XP, Windows Vista, Windows 7, Windows Server 2003 and Windows Server 2008 systems with Internet Explorer versions 6, 7, 8, or 9 installed. Those using
Microsoft Outlook, Outlook Express and Windows Mail are also at risk.</span><span class="Apple-style-span" style="font-family: Garamond; font-size: medium; "><br>
</span><span class="Apple-style-span" style="font-family: Garamond; font-size: medium; "> </span><span class="Apple-style-span" style="font-family: Garamond; font-size: medium; "><br>
</span><span class="Apple-style-span" style="font-family: Garamond; font-size: medium; "><b>Mitigation Instructions<br>
</b></span><span class="Apple-style-span" style="font-family: Garamond; font-size: medium; "> </span><span class="Apple-style-span" style="font-family: Garamond; font-size: medium; "><br>
</span><span class="Apple-style-span" style="font-family: Garamond; font-size: medium; ">Alternative browsers, including Mozilla Firefox and Google Chrome, are unaffected by this exploit -- these browsers can be used as an Internet Explorer alternative until
a patch has been released by Microsoft.</span>
<div style="font-family: Garamond; font-size: medium; "><br>
Internet Explorer, Microsoft Outlook, Outlook Express and Windows Mail users should be extra vigilant when opening links received via email.<br>
<br>
<b>More Information<br>
</b> <br>
More information about this specific zero-day exploit can be found on Microsoft’s Security Advisory site:<br>
<br>
<a href="http://technet.microsoft.com/en-us/security/advisory/2757760">http://technet.microsoft.com/en-us/security/advisory/2757760</a><br>
<br>
and here:<br>
<br>
<a href="http://arstechnica.com/security/2012/09/critical-zero-day-bug-in-microsoft-internet-explorer/">http://arstechnica.com/security/2012/09/critical-zero-day-bug-in-microsoft-internet-explorer/</a> <br>
<br>
<b>Next steps</b><br>
<br>
Another notice will be sent when Microsoft has addressed this zero-day vulnerability or more information becomes available.</div>
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<div style="font-size: 12px; "><font class="Apple-style-span" size="4"><span class="Apple-style-span" style="font-size: 14px;"><span class="Apple-style-span" style="font-size: 12px; ">Thanks,</span></span></font></div>
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<div style="font-size: 12px; "><font class="Apple-style-span" size="4"><span class="Apple-style-span" style="font-size: 14px;"><span class="Apple-style-span" style="font-size: 12px; ">Monique</span></span></font></div>
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