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<p class="MsoNormal" style="background:white"><span style="font-size:10.5pt;color:black">Dear CITL,<o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span style="font-size:10.5pt;color:black"><o:p> </o:p></span></p>
<p class="MsoNormal" style="background:white"><span style="font-size:10.5pt;color:black">Out of an abundance of caution, the Information Security Office would<o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span style="font-size:10.5pt;color:black">like to alert you to a new 0-day vulnerability. Designated<o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span style="font-size:10.5pt;color:black">CVE-2021-44228, this vulnerability affects applications using log4j,<o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span style="font-size:10.5pt;color:black">the popular Java logging library. Exploitation is triggered by<o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span style="font-size:10.5pt;color:black">causing a string in a certain format to be passed to the log4j<o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span style="font-size:10.5pt;color:black">library. If successful, malefactors gain the ability to run arbitrary<o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span style="font-size:10.5pt;color:black">code on the victim's system.<o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span style="font-size:10.5pt;color:black"><o:p> </o:p></span></p>
<p class="MsoNormal" style="background:white"><span style="font-size:10.5pt;color:black">Importantly, proof-of-concept code is publicly available, and the ISO<o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span style="font-size:10.5pt;color:black">has detected incoming attempts to exploit this vulnerability. ITS is<o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span style="font-size:10.5pt;color:black">currently investigating mitigating controls to blunt these attacks,<o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span style="font-size:10.5pt;color:black">but we wanted to alert you directly and immediately about this<o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span style="font-size:10.5pt;color:black">vulnerability and the threats associated with it.<o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span style="font-size:10.5pt;color:black"><o:p> </o:p></span></p>
<p class="MsoNormal" style="background:white"><span style="font-size:10.5pt;color:black">For more information about this vulnerability, please see the below.<o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span style="font-size:10.5pt;color:black"><o:p> </o:p></span></p>
<p class="MsoNormal" style="background:white"><span style="font-size:10.5pt;color:black">*<span class="apple-converted-space"> </span><a href="https://github.com/NVISOsecurity/nviso-cti/blob/master/advisories/20211210-log4shell.md" title="https://github.com/NVISOsecurity/nviso-cti/blob/master/advisories/20211210-log4shell.md"><span style="color:#000064">https://github.com/NVISOsecurity/nviso-cti/blob/master/advisories/20211210-log4shell.md</span></a><o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span style="font-size:10.5pt;color:black">*<span class="apple-converted-space"> </span><a href="https://www.lunasec.io/docs/blog/log4j-zero-day/" title="https://www.lunasec.io/docs/blog/log4j-zero-day/"><span style="color:#000064">https://www.lunasec.io/docs/blog/log4j-zero-day/</span></a><o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span style="font-size:10.5pt;color:black"><o:p> </o:p></span></p>
<p class="MsoNormal" style="background:white"><span style="font-size:10.5pt;color:black">If you have any questions, please don't hesitate to reach out to the<o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span style="font-size:10.5pt;color:black">Information Security Office.<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><b><span style="font-size:12.0pt;font-family:-webkit-standard;color:#001C31">Dewight Fredrick Kramer</span></b><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:-webkit-standard;color:#1F1F1F">Chief Information Security Officer </span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:-webkit-standard;color:#1F1F1F">Information Technology Solutions</span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:-webkit-standard;color:#1F1F1F">University of California, Riverside </span><span style="color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><b><span style="font-size:9.0pt;font-family:Wingdings;color:#1F1F1F">(</span></b><b><span style="font-size:8.0pt;font-family:"Arial",sans-serif;color:#1F1F1F"> </span></b><span style="font-family:-webkit-standard;color:#1F1F1F">(951) 827-3070| </span><b><span style="font-size:9.0pt;font-family:Wingdings;color:#1F1F1F">*</span></b><span style="font-family:-webkit-standard;color:#1F1F1F"> </span><span style="font-family:-webkit-standard;color:#01203F"><a href="mailto:dewight.kramer@ucr.edu" target="_blank" title="mailto:dewight.kramer@ucr.edu"><span style="color:#000039">dewight.kramer@ucr.edu</span></a></span><span style="color:black"><o:p></o:p></span></p>
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