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<p class="MsoNormal"><a name="_Hlk122600425">Good morning,</a><span style="mso-bookmark:_Hlk122600425"><span style="background:yellow;mso-highlight:yellow;mso-ligatures:none"><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">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-2023-29360: </b>Microsoft Streaming Service Untrusted Pointer Dereference Vulnerability<b>.
</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 June 13, 2023, Microsoft released a security advisory for CVE-2023-29360 regarding their Streaming Service. As of February 29, 2024, CISA has added the vulnerability 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 products are affected:<o:p></o:p></span></p>
<ul style="margin-top:0in" type="disc">
<li class="MsoListParagraph" style="margin-left:27.0pt;mso-list:l0 level1 lfo3"><span style="mso-bookmark:_Hlk122600425">Windows Server 2016 (Server Core installation)<o:p></o:p></span></li><li class="MsoListParagraph" style="margin-left:27.0pt;mso-list:l0 level1 lfo3"><span style="mso-bookmark:_Hlk122600425">Windows Server 2016<o:p></o:p></span></li><li class="MsoListParagraph" style="margin-left:27.0pt;mso-list:l0 level1 lfo3"><span style="mso-bookmark:_Hlk122600425">Windows 10 Version 1607 x64<o:p></o:p></span></li><li class="MsoListParagraph" style="margin-left:27.0pt;mso-list:l0 level1 lfo3"><span style="mso-bookmark:_Hlk122600425">Windows 10 Version 1607 x32<o:p></o:p></span></li><li class="MsoListParagraph" style="margin-left:27.0pt;mso-list:l0 level1 lfo3"><span style="mso-bookmark:_Hlk122600425">Windows 10 Version 22H2 x32<o:p></o:p></span></li><li class="MsoListParagraph" style="margin-left:27.0pt;mso-list:l0 level1 lfo3"><span style="mso-bookmark:_Hlk122600425">Windows 10 Version 22H2 ARM64<o:p></o:p></span></li><li class="MsoListParagraph" style="margin-left:27.0pt;mso-list:l0 level1 lfo3"><span style="mso-bookmark:_Hlk122600425">Windows 10 Version 22H2 x64<o:p></o:p></span></li><li class="MsoListParagraph" style="margin-left:27.0pt;mso-list:l0 level1 lfo3"><span style="mso-bookmark:_Hlk122600425">Windows 11 Version 22H2 x64<o:p></o:p></span></li><li class="MsoListParagraph" style="margin-left:27.0pt;mso-list:l0 level1 lfo3"><span style="mso-bookmark:_Hlk122600425">Windows 11 Version 22H2 ARM64<o:p></o:p></span></li><li class="MsoListParagraph" style="margin-left:27.0pt;mso-list:l0 level1 lfo3"><span style="mso-bookmark:_Hlk122600425">Windows 10 Version 21H2 x64<o:p></o:p></span></li><li class="MsoListParagraph" style="margin-left:27.0pt;mso-list:l0 level1 lfo3"><span style="mso-bookmark:_Hlk122600425">Windows 10 Version 21H2 ARM64<o:p></o:p></span></li><li class="MsoListParagraph" style="margin-left:27.0pt;mso-list:l0 level1 lfo3"><span style="mso-bookmark:_Hlk122600425">Windows 10 Version 21H2 x32<o:p></o:p></span></li><li class="MsoListParagraph" style="margin-left:27.0pt;mso-list:l0 level1 lfo3"><span style="mso-bookmark:_Hlk122600425">Windows 11 version 21H2 ARM64<o:p></o:p></span></li><li class="MsoListParagraph" style="margin-left:27.0pt;mso-list:l0 level1 lfo3"><span style="mso-bookmark:_Hlk122600425">Windows 11 version 21H2 x64<o:p></o:p></span></li><li class="MsoListParagraph" style="margin-left:27.0pt;mso-list:l0 level1 lfo3"><span style="mso-bookmark:_Hlk122600425">Windows Server 2022 (Server Core installation)<o:p></o:p></span></li><li class="MsoListParagraph" style="margin-left:27.0pt;mso-list:l0 level1 lfo3"><span style="mso-bookmark:_Hlk122600425">Windows Server 2022<o:p></o:p></span></li><li class="MsoListParagraph" style="margin-left:27.0pt;mso-list:l0 level1 lfo3"><span style="mso-bookmark:_Hlk122600425">Windows Server 2019 (Server Core installation)<o:p></o:p></span></li><li class="MsoListParagraph" style="margin-left:27.0pt;mso-list:l0 level1 lfo3"><span style="mso-bookmark:_Hlk122600425">Windows Server 2019<o:p></o:p></span></li><li class="MsoListParagraph" style="margin-left:27.0pt;mso-list:l0 level1 lfo3"><span style="mso-bookmark:_Hlk122600425">Windows 10 Version 1809 ARM64<o:p></o:p></span></li><li class="MsoListParagraph" style="margin-left:27.0pt;mso-list:l0 level1 lfo3"><span style="mso-bookmark:_Hlk122600425">Windows 10 Version 1809 x64<o:p></o:p></span></li><li class="MsoListParagraph" style="margin-left:27.0pt;mso-list:l0 level1 lfo3"><span style="mso-bookmark:_Hlk122600425">Windows 10 Version 1809 x32<o:p></o:p></span></li></ul>
<p class="MsoNormal"><span style="mso-bookmark:_Hlk122600425">Microsoft has released the following security advisory and patch information addressing CVE-2023-29360,:
</span><a href="https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-29360"><span style="mso-bookmark:_Hlk122600425">https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-29360</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 February 29, 2024, the vulnerability has been confirmed as being exploited in the wild.<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>: Microsoft Streaming Service contains an untrusted pointer dereference vulnerability that allows for privilege escalation, enabling a local attacker to gain SYSTEM 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>Post-Exploit</u></b>: Upon successful exploitation of the vulnerability, a threat actor could gain SYSTEM 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"><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 October 24, 2023, the following vulnerability plugins have been released and are currently in Tenable Security Center:<o:p></o:p></span></p>
<table class="MsoNormalTable" border="0" cellspacing="0" cellpadding="0" style="border-collapse:collapse">
<tbody>
<tr>
<td width="119" valign="top" style="width:89.5pt;border:solid windowtext 1.0pt;padding:0in 5.4pt 0in 5.4pt">
<p class="MsoNormal" align="center" style="text-align:center"><span style="mso-bookmark:_Hlk122600425"><b><u>Plugin<span style="background:yellow;mso-highlight:yellow"><o:p></o:p></span></u></b></span></p>
</td>
<span style="mso-bookmark:_Hlk122600425"></span>
<td width="672" valign="top" style="width:7.0in;border:solid windowtext 1.0pt;border-left:none;padding:0in 5.4pt 0in 5.4pt">
<p class="MsoNormal" align="center" style="text-align:center"><span style="mso-bookmark:_Hlk122600425"><b><u>Title<span style="background:yellow;mso-highlight:yellow"><o:p></o:p></span></u></b></span></p>
</td>
<span style="mso-bookmark:_Hlk122600425"></span>
<td width="162" valign="top" style="width:121.5pt;border:solid windowtext 1.0pt;border-left:none;padding:0in 5.4pt 0in 5.4pt">
<p class="MsoNormal" align="center" style="text-align:center"><span style="mso-bookmark:_Hlk122600425"><b><u>Severity<o:p></o:p></u></b></span></p>
</td>
<span style="mso-bookmark:_Hlk122600425"></span>
</tr>
<tr>
<td width="119" valign="top" style="width:89.5pt;border:solid windowtext 1.0pt;border-top:none;padding:0in 5.4pt 0in 5.4pt">
<p class="MsoNormal" align="center" style="text-align:center"><span style="mso-bookmark:_Hlk122600425"></span><a href="https://www.tenable.com/plugins/nessus/177252"><span style="mso-bookmark:_Hlk122600425"><span style="background:yellow;mso-highlight:yellow">177252</span></span><span style="mso-bookmark:_Hlk122600425"></span></a><span style="mso-bookmark:_Hlk122600425"><span style="background:yellow;mso-highlight:yellow"><o:p></o:p></span></span></p>
</td>
<span style="mso-bookmark:_Hlk122600425"></span>
<td width="672" valign="top" style="width:7.0in;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0in 5.4pt 0in 5.4pt">
<p class="MsoNormal" align="center" style="text-align:center"><span style="mso-bookmark:_Hlk122600425">KB5027215: Windows 10 Version 21H2 / Windows 10 Version 22H2 Security Update (June 2023)<b><span style="background:yellow;mso-highlight:yellow"><o:p></o:p></span></b></span></p>
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<p class="MsoNormal" align="center" style="text-align:center"><span style="mso-bookmark:_Hlk122600425">Critical<o:p></o:p></span></p>
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<p class="MsoNormal" align="center" style="text-align:center"><span style="mso-bookmark:_Hlk122600425"></span><a href="https://www.tenable.com/plugins/nessus/177246"><span style="mso-bookmark:_Hlk122600425"><span style="background:yellow;mso-highlight:yellow">177246</span></span><span style="mso-bookmark:_Hlk122600425"></span></a><span style="mso-bookmark:_Hlk122600425"><span style="background:yellow;mso-highlight:yellow"><o:p></o:p></span></span></p>
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<p class="MsoNormal" align="center" style="text-align:center"><span style="mso-bookmark:_Hlk122600425">KB5027219: Windows 10 Version 1607 and Windows Server 2016 Security Update (June 2023)<b><span style="background:yellow;mso-highlight:yellow"><o:p></o:p></span></b></span></p>
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<p class="MsoNormal" align="center" style="text-align:center"><span style="mso-bookmark:_Hlk122600425">Critical<o:p></o:p></span></p>
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<p class="MsoNormal" align="center" style="text-align:center"><span style="mso-bookmark:_Hlk122600425"></span><a href="https://www.tenable.com/plugins/nessus/177242"><span style="mso-bookmark:_Hlk122600425"><span style="background:yellow;mso-highlight:yellow">177242</span></span><span style="mso-bookmark:_Hlk122600425"></span></a><span style="mso-bookmark:_Hlk122600425"><span style="background:yellow;mso-highlight:yellow"><o:p></o:p></span></span></p>
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<td width="672" valign="top" style="width:7.0in;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0in 5.4pt 0in 5.4pt">
<p class="MsoNormal" align="center" style="text-align:center"><span style="mso-bookmark:_Hlk122600425">KB5027231: Windows 11 version 22H2 Security Update (June 2023)<b><span style="background:yellow;mso-highlight:yellow"><o:p></o:p></span></b></span></p>
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<p class="MsoNormal" align="center" style="text-align:center"><span style="mso-bookmark:_Hlk122600425">Critical<o:p></o:p></span></p>
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<p class="MsoNormal" align="center" style="text-align:center"><span style="mso-bookmark:_Hlk122600425"></span><a href="https://www.tenable.com/plugins/nessus/177247"><span style="mso-bookmark:_Hlk122600425"><span style="background:yellow;mso-highlight:yellow">177247</span></span><span style="mso-bookmark:_Hlk122600425"></span></a><span style="mso-bookmark:_Hlk122600425"><span style="background:yellow;mso-highlight:yellow"><o:p></o:p></span></span></p>
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<td width="672" valign="top" style="width:7.0in;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0in 5.4pt 0in 5.4pt">
<p class="MsoNormal" align="center" style="text-align:center"><span style="mso-bookmark:_Hlk122600425">KB5027222: Windows 10 version 1809 / Windows Server 2019 Security Update (June 2023)<b><span style="background:yellow;mso-highlight:yellow"><o:p></o:p></span></b></span></p>
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<p class="MsoNormal" align="center" style="text-align:center"><span style="mso-bookmark:_Hlk122600425">Critical<o:p></o:p></span></p>
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<p class="MsoNormal" align="center" style="text-align:center"><span style="mso-bookmark:_Hlk122600425"></span><a href="https://www.tenable.com/plugins/nessus/177235"><span style="mso-bookmark:_Hlk122600425"><span style="background:yellow;mso-highlight:yellow">177235</span></span><span style="mso-bookmark:_Hlk122600425"></span></a><span style="mso-bookmark:_Hlk122600425"><span style="background:yellow;mso-highlight:yellow"><o:p></o:p></span></span></p>
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<p class="MsoNormal" align="center" style="text-align:center"><span style="mso-bookmark:_Hlk122600425">KB5027225: Windows 2022 / Azure Stack HCI 22H2 Security Update (June 2023)<b><span style="background:yellow;mso-highlight:yellow"><o:p></o:p></span></b></span></p>
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<p class="MsoNormal" align="center" style="text-align:center"><span style="mso-bookmark:_Hlk122600425">Critical<o:p></o:p></span></p>
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<p class="MsoNormal" align="center" style="text-align:center"><span style="mso-bookmark:_Hlk122600425"></span><a href="https://www.tenable.com/plugins/nessus/177251"><span style="mso-bookmark:_Hlk122600425"><span style="background:yellow;mso-highlight:yellow">177251</span></span><span style="mso-bookmark:_Hlk122600425"></span></a><span style="mso-bookmark:_Hlk122600425"><span style="background:yellow;mso-highlight:yellow"><o:p></o:p></span></span></p>
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<td width="672" valign="top" style="width:7.0in;border-top:none;border-left:none;border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;padding:0in 5.4pt 0in 5.4pt">
<p class="MsoNormal" align="center" style="text-align:center"><span style="mso-bookmark:_Hlk122600425">KB5027223: Windows 11 version 21H2 Security Update (June 2023)<b><span style="background:yellow;mso-highlight:yellow"><o:p></o:p></span></b></span></p>
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<p class="MsoNormal" align="center" style="text-align:center"><span style="mso-bookmark:_Hlk122600425">Critical<o:p></o:p></span></p>
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<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"><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:l3 level1 lfo6"><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:l3 level1 lfo6"><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:l3 level1 lfo6"><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:l3 level1 lfo6"><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>
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<p class="MsoNormal" style="line-height:105%"><span style="color:#1F497D;mso-ligatures:none"><img border="0" width="121" height="87" style="width:1.2604in;height:.9062in" id="Picture_x0020_2" src="cid:image001.png@01DA6586.316C86F0"></span><span style="color:#1F497D;mso-ligatures:none"><o:p></o:p></span></p>
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<p class="MsoNormal" style="line-height:105%"><b><span style="mso-ligatures:none">Cyber Security Services<o:p></o:p></span></b></p>
<p class="MsoNormal" style="line-height:105%"><span style="mso-ligatures:none">State of Oregon Cyber Security Services<o:p></o:p></span></p>
<p class="MsoNormal" style="line-height:105%"><span style="mso-ligatures:none">Enterprise Information Services | SOC<o:p></o:p></span></p>
<p class="MsoNormal" style="line-height:105%"><span style="mso-ligatures:none">Cyber Security Services (CSS)<o:p></o:p></span></p>
<p class="MsoNormal" style="line-height:105%"><span style="mso-ligatures:none">SOC Hotline: (503) 378-5930 | SOC Services (503) 373-0378<span style="color:#1F497D"><o:p></o:p></span></span></p>
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<p class="MsoNormal" style="line-height:105%"><i><span style="color:#2E74B5;mso-ligatures:none">“Ensuring user-friendly, reliable and secure state technology systems that serve Oregonians.”<o:p></o:p></span></i></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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