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<p class="MsoNormal"><a name="_Hlk122600425">Good morning,<span style="mso-ligatures:none"><o:p></o:p></span></a></p>
<p class="MsoNormal"><span style="mso-bookmark:_Hlk122600425"> <o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-bookmark:_Hlk122600425">The SOC Services team is reporting on the vulnerability:</span><span style="mso-bookmark:_Hlk122600425"><span style="font-family:"Arial",sans-serif;mso-ligatures:none">
</span><b>CVE-2023-42824 Apple iOS and iPadOS Kernel Privilege Escalation Vulnerability</b>. Due to its high visibility and knowledge of the software installed in the state environment, we are providing this in-depth information:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-bookmark:_Hlk122600425"> <o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-bookmark:_Hlk122600425"><b><u>History</u></b>: On October 4, 2023, Apple released a security advisory related to CVE-2023-42824. On October 5, 2023, CISA added CVE-2023-42824 to the known exploited vulnerabilities catalog.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-bookmark:_Hlk122600425"><span style="background:yellow;mso-highlight:yellow"><o:p> </o:p></span></span></p>
<p class="MsoNormal"><span style="mso-bookmark:_Hlk122600425">The following versions of iOS address the vulnerability:<o:p></o:p></span></p>
<ul style="margin-top:0in" type="disc">
<li class="MsoListParagraph" style="margin-left:0in;mso-list:l1 level1 lfo6"><span style="mso-bookmark:_Hlk122600425">iOS 17.0.3<o:p></o:p></span></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l1 level1 lfo6"><span style="mso-bookmark:_Hlk122600425">iPadOS 17.0.3<o:p></o:p></span></li></ul>
<p class="MsoNormal"><span style="mso-bookmark:_Hlk122600425">The patches are available for the following Apple devices:<o:p></o:p></span></p>
<ul style="margin-top:0in" type="disc">
<li class="MsoNormal" style="mso-list:l3 level1 lfo2"><span style="mso-bookmark:_Hlk122600425">iPhone XS and later<o:p></o:p></span></li><li class="MsoNormal" style="mso-list:l3 level1 lfo2"><span style="mso-bookmark:_Hlk122600425">iPad Pro 12.9-inch 2nd generation and later<o:p></o:p></span></li><li class="MsoNormal" style="mso-list:l3 level1 lfo2"><span style="mso-bookmark:_Hlk122600425">iPad Pro 10.5-inch<o:p></o:p></span></li><li class="MsoNormal" style="mso-list:l3 level1 lfo2"><span style="mso-bookmark:_Hlk122600425">iPad Pro 11-inch 1st generation and later<o:p></o:p></span></li><li class="MsoNormal" style="mso-list:l3 level1 lfo2"><span style="mso-bookmark:_Hlk122600425">iPad Air 3rd generation and later<o:p></o:p></span></li><li class="MsoNormal" style="mso-list:l3 level1 lfo2"><span style="mso-bookmark:_Hlk122600425">iPad 6th generation and later<o:p></o:p></span></li><li class="MsoNormal" style="mso-list:l3 level1 lfo2"><span style="mso-bookmark:_Hlk122600425">iPad mini 5th generation and later<o:p></o:p></span></li></ul>
<p class="MsoNormal" style="margin-left:.5in"><span style="mso-bookmark:_Hlk122600425"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="mso-bookmark:_Hlk122600425">Apple has released security advisory HT213961 regarding CVE-2023-42824, the security advisory can be found here:
</span><a href="https://support.apple.com/en-us/HT213961"><span style="mso-bookmark:_Hlk122600425">https://support.apple.com/en-us/HT213961</span><span style="mso-bookmark:_Hlk122600425"></span></a><span style="mso-bookmark:_Hlk122600425"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-bookmark:_Hlk122600425"><span style="background:yellow;mso-highlight:yellow"><o:p> </o:p></span></span></p>
<p class="MsoNormal"><span style="mso-bookmark:_Hlk122600425"><b><u>Intelligence</u></b>: As of October 4, 2023, the vulnerability has been confirmed as being exploited in the wild. Apple is aware of a report that this issue may have been actively exploited
against versions of iOS before iOS 16.6. The issue was addressed with improved checks.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-bookmark:_Hlk122600425"><b><u><span style="background:yellow;mso-highlight:yellow"><o:p><span style="text-decoration:none"> </span></o:p></span></u></b></span></p>
<p class="MsoNormal"><span style="mso-bookmark:_Hlk122600425"><b><u>Workarounds:</u></b> There are no workarounds for this vulnerability.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-bookmark:_Hlk122600425"><b><u><span style="background:yellow;mso-highlight:yellow"><o:p><span style="text-decoration:none"> </span></o:p></span></u></b></span></p>
<p class="MsoNormal"><span style="mso-bookmark:_Hlk122600425"><b><u>How it works</u></b>: Apple rarely releases information about how exploits against its products are executed, due to this there is no additional as to how this exploit works.<span style="background:yellow;mso-highlight:yellow"><o:p></o:p></span></span></p>
<p class="MsoNormal"><span style="mso-bookmark:_Hlk122600425"><span style="background:yellow;mso-highlight:yellow"><o:p> </o:p></span></span></p>
<p class="MsoNormal"><span style="mso-bookmark:_Hlk122600425"><b><u>Post-Exploit</u></b>: Upon successful exploitation of the vulnerability, a local attacker may be able to elevate their privileges.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-bookmark:_Hlk122600425"><span style="background:yellow;mso-highlight:yellow"><o:p> </o:p></span></span></p>
<p class="MsoNormal"><span style="mso-bookmark:_Hlk122600425"><b><u>Additional Resources:<o:p></o:p></u></b></span></p>
<p class="MsoNormal"><span style="mso-bookmark:_Hlk122600425"><b><u><o:p><span style="text-decoration:none"> </span></o:p></u></b></span></p>
<p class="MsoNormal"><span style="mso-bookmark:_Hlk122600425">The InTune team has provide the attached documents, which can be tailored to your needs. They provide answers to frequently asked questions about iOS updates from the perspective of both technicians
and users as well as the update process.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-bookmark:_Hlk122600425"><span style="background:yellow;mso-highlight:yellow"><o:p> </o:p></span></span></p>
<p class="MsoNormal" style="margin-bottom:12.0pt"><span style="mso-bookmark:_Hlk122600425">As of 10/5/2023 Tenable has not released a plugin for this vulnerability and does not have a plugin in the pipeline.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-bookmark:_Hlk122600425"><b><u>Recommended Actions</u></b>:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-bookmark:_Hlk122600425"> <o:p></o:p></span></p>
<ul style="margin-top:0in" type="disc">
<li class="MsoNormal" style="mso-list:l2 level1 lfo4"><span style="mso-bookmark:_Hlk122600425">Verify the device is charged to at least 50% and is plugged into a charger before applying patches.<o:p></o:p></span></li><li class="MsoNormal" style="mso-list:l2 level1 lfo4"><span style="mso-bookmark:_Hlk122600425">Verify host has not been compromised before applying patches.<o:p></o:p></span></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l2 level1 lfo4"><span style="mso-bookmark:_Hlk122600425">Apply appropriate updates provided by vendor to vulnerable systems immediately after appropriate testing.<o:p></o:p></span></li><li class="MsoNormal" style="mso-list:l2 level1 lfo4"><span style="mso-bookmark:_Hlk122600425">Run all software as a non-privileged user (one without administrative privileges) to diminish the effects of a successful attack.<o:p></o:p></span></li><li class="MsoNormal" style="mso-list:l2 level1 lfo4"><span style="mso-bookmark:_Hlk122600425">Apply the Principle of Least Privilege to all systems and services.<o:p></o:p></span></li></ul>
<p class="MsoNormal"><span style="mso-bookmark:_Hlk122600425"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="mso-bookmark:_Hlk122600425"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="mso-bookmark:_Hlk122600425"><o:p> </o:p></span></p>
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