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<p class="MsoNormal"><a name="_Hlk122600425">Good afternoon,<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-2023-46604: Apache ActiveMQ Remote Code Execution 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 November 2, 2023, CISA added CVE-2023-46604 to the Known Exploited Vulnerabilities Catalog.<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">The following products are affected:<o:p></o:p></span></p>
<ul style="margin-top:0in" type="disc">
<li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level1 lfo6"><span style="mso-bookmark:_Hlk122600425">Apache ActiveMQ 5.18.0 before 5.18.3<o:p></o:p></span></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level1 lfo6"><span style="mso-bookmark:_Hlk122600425">Apache ActiveMQ 5.17.0 before 5.17.6<o:p></o:p></span></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level1 lfo6"><span style="mso-bookmark:_Hlk122600425">Apache ActiveMQ 5.16.0 before 5.16.7<o:p></o:p></span></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level1 lfo6"><span style="mso-bookmark:_Hlk122600425">Apache ActiveMQ before 5.15.16<o:p></o:p></span></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level1 lfo6"><span style="mso-bookmark:_Hlk122600425">Apache ActiveMQ Legacy OpenWire Module 5.18.0 before 5.18.3<o:p></o:p></span></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level1 lfo6"><span style="mso-bookmark:_Hlk122600425">Apache ActiveMQ Legacy OpenWire Module 5.17.0 before 5.17.6<o:p></o:p></span></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level1 lfo6"><span style="mso-bookmark:_Hlk122600425">Apache ActiveMQ Legacy OpenWire Module 5.16.0 before 5.16.7<o:p></o:p></span></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level1 lfo6"><span style="mso-bookmark:_Hlk122600425">Apache ActiveMQ Legacy OpenWire Module 5.8.0 before 5.15.16<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">Fixed Versions:<o:p></o:p></span></p>
<ul style="margin-top:0in" type="disc">
<li class="MsoListParagraph" style="margin-left:0in;mso-list:l1 level1 lfo7"><span style="mso-bookmark:_Hlk122600425">Apache ActiveMQ 5.15.16<o:p></o:p></span></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l1 level1 lfo7"><span style="mso-bookmark:_Hlk122600425">Apache ActiveMQ 5.16.7<o:p></o:p></span></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l1 level1 lfo7"><span style="mso-bookmark:_Hlk122600425">Apache ActiveMQ 5.17.6<o:p></o:p></span></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l1 level1 lfo7"><span style="mso-bookmark:_Hlk122600425">Apache ActiveMQ 5.18.3<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">Additional information can be found in the links below:<o:p></o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l3 level1 lfo8"><span style="mso-bookmark:_Hlk122600425"><![if !supportLists]><span style="font-family:Symbol;color:black;mso-ligatures:none"><span style="mso-list:Ignore">·<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]></span><a href="https://activemq.apache.org/security-advisories.data/CVE-2023-46604"><span style="mso-bookmark:_Hlk122600425"><span style="mso-ligatures:none">https://activemq.apache.org/security-advisories.data/CVE-2023-46604</span></span><span style="mso-bookmark:_Hlk122600425"></span></a><span style="mso-bookmark:_Hlk122600425"><span style="color:black;mso-ligatures:none"><o:p></o:p></span></span></p>
<pre style="margin-left:.5in;text-indent:-.25in;mso-list:l3 level1 lfo8"><span style="mso-bookmark:_Hlk122600425"><![if !supportLists]><span style="font-size:11.0pt;font-family:Symbol;color:black"><span style="mso-list:Ignore">·<span style="font:7.0pt "Times New Roman""> </span></span></span><![endif]></span><a href="https://issues.apache.org/jira/browse/AMQ-9370"><span style="mso-bookmark:_Hlk122600425"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">https://issues.apache.org/jira/browse/AMQ-9370</span></span><span style="mso-bookmark:_Hlk122600425"></span></a><span style="mso-bookmark:_Hlk122600425"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:black"><o:p></o:p></span></span></pre>
<p class="MsoNormal" style="margin-left:.25in"><span style="mso-bookmark:_Hlk122600425"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="mso-bookmark:_Hlk122600425"><b><u>Intelligence</u></b>: As of November 2, 2023, the vulnerability has been confirmed as being exploited in the wild. The vulnerability has been actively exploited by the HelloKitty ransomware
group.<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 known workarounds at this time.<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>: Apache ActiveMQ contains a deserialization of untrusted data vulnerability that could allow a remote attacker with network access to a broker to run shell commands by
manipulating serialized class types in the OpenWire protocol to cause the broker to instantiate any class on the classpath.<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 execute code remotely with the same privileges of the ActiveMQ server.
<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 November 2, 2023, the following vulnerability plugin has been released and is currently in Tenable Security Center:<o:p></o:p></span></p>
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<p class="MsoNormal" align="center" style="text-align:center"><span style="mso-bookmark:_Hlk122600425"><b><u>Plugin<o:p></o:p></u></b></span></p>
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<p class="MsoNormal" align="center" style="text-align:center"><span style="mso-bookmark:_Hlk122600425"><b><u>Title<o:p></o:p></u></b></span></p>
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<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>
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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/184189"><span style="mso-bookmark:_Hlk122600425">184189</span><span style="mso-bookmark:_Hlk122600425"></span></a><span style="mso-bookmark:_Hlk122600425"><o:p></o:p></span></p>
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<p class="MsoNormal" align="center" style="text-align:center"><span style="mso-bookmark:_Hlk122600425">Apache ActiveMQ < 5.15.16 / 5.16.x < 5.16.7 / 5.17.x < 5.17.6 / 5.18.x < 5.18.3 RCE<o:p></o:p></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" style="text-align:justify"><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>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:l4 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:l4 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:l4 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:l4 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>
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<p class="MsoNormal" style="line-height:105%"><span style="color:#1F497D"><img border="0" width="121" height="87" style="width:1.2583in;height:.9083in" id="Picture_x0020_4" src="cid:image001.png@01DA0DA0.685E4D30"><span style="mso-ligatures:none"><o:p></o:p></span></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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