{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2023-44184","assignerOrgId":"8cbe9d5a-a066-4c94-8978-4b15efeae968","state":"PUBLISHED","assignerShortName":"juniper","dateReserved":"2023-09-26T19:30:17.664Z","datePublished":"2023-10-12T23:02:34.571Z","dateUpdated":"2024-09-17T16:11:00.874Z"},"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Junos OS","vendor":"Juniper Networks","versions":[{"lessThan":"20.4R3-S7","status":"affected","version":"0","versionType":"semver"},{"lessThan":"21.1R1","status":"affected","version":"21.1","versionType":"semver"},{"lessThan":"21.2R3-S5","status":"affected","version":"21.2","versionType":"semver"},{"lessThan":"21.3R3-S5","status":"affected","version":"21.3","versionType":"semver"},{"lessThan":"21.4R3-S4","status":"affected","version":"21.4","versionType":"semver"},{"lessThan":"22.1R3-S2","status":"affected","version":"22.1","versionType":"semver"},{"lessThan":"22.2R3","status":"affected","version":"22.2","versionType":"semver"},{"lessThan":"22.3R2-S1, 22.3R3","status":"affected","version":"22.3","versionType":"semver"},{"lessThan":"22.4R1-S2, 22.4R2","status":"affected","version":"22.4","versionType":"semver"}]},{"defaultStatus":"unaffected","product":"Junos OS Evolved","vendor":"Juniper Networks","versions":[{"lessThan":"21.4R3-S4-EVO","status":"affected","version":"0","versionType":"semver"},{"lessThan":"22.1R3-S2-EVO","status":"affected","version":"22.1","versionType":"semver"},{"lessThan":"22.2R3-EVO","status":"affected","version":"22.2","versionType":"semver"},{"lessThan":"22.3R3-EVO","status":"affected","version":"22.3","versionType":"semver"},{"lessThan":"22.4R2-EVO","status":"affected","version":"22.4","versionType":"semver"}]}],"configurations":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"<p>The following minimal configuration must be present: </p><p> [system services netconf]</p>"}],"value":"The following minimal configuration must be present: \n\n [system services netconf]\n\n"}],"datePublic":"2023-10-11T16:00:00.000Z","descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"\n\n<p>An Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability in the management daemon (mgd) process of Juniper Networks Junos OS and Junos OS Evolved allows a network-based authenticated low-privileged attacker, by executing a specific command via NETCONF, to cause a CPU Denial of Service to the device's control plane.</p><p>This issue affects:</p><p>Juniper Networks Junos OS</p><p></p><ul><li>All versions prior to 20.4R3-S7;</li><li>21.2 versions prior to 21.2R3-S5;</li><li>21.3 versions prior to 21.3R3-S5;</li><li>21.4 versions prior to 21.4R3-S4;</li><li>22.1 versions prior to 22.1R3-S2;</li><li>22.2 versions prior to 22.2R3;</li><li>22.3 versions prior to 22.3R2-S1, 22.3R3;</li><li>22.4 versions prior to 22.4R1-S2, 22.4R2.</li></ul><p></p><p>Juniper Networks Junos OS Evolved</p><p></p><ul><li>All versions prior to 21.4R3-S4-EVO;</li><li>22.1 versions prior to 22.1R3-S2-EVO;</li><li>22.2 versions prior to 22.2R3-EVO;</li><li>22.3 versions prior to 22.3R3-EVO;</li><li>22.4 versions prior to 22.4R2-EVO.</li></ul><p></p><p>An indicator of compromise can be seen by first determining if the NETCONF client is logged in and fails to log out after a reasonable period of time and secondly reviewing the WCPU percentage for the mgd process by running the following command:</p><p>mgd process example:</p><code>user@device-re#&gt; show system processes extensive | match \"mgd|PID\" | except last</code><br><code>PID USERNAME PRI NICE SIZE RES STATE C TIME WCPU COMMAND</code><br><code>92476 root 100 0 500M 89024K CPU3 3 57.5H 89.60% mgd &lt;&lt;&lt;&lt;&lt;&lt;&lt;&lt;&lt;&lt;&lt; review the high cpu percentage.</code><br><p>Example to check for NETCONF activity:</p><p>While there is no specific command that shows a specific session in use for NETCONF, you can review logs for UI_LOG_EVENT with \"client-mode 'netconf'\"</p><p>For example:</p><code>mgd[38121]: UI_LOGIN_EVENT: User 'root' login, class 'super-user' [38121], ssh-connection '10.1.1.1 201 55480 10.1.1.2 22', client-mode 'netconf'</code>\n\n"}],"value":"\nAn Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability in the management daemon (mgd) process of Juniper Networks Junos OS and Junos OS Evolved allows a network-based authenticated low-privileged attacker, by executing a specific command via NETCONF, to cause a CPU Denial of Service to the device's control plane.\n\nThis issue affects:\n\nJuniper Networks Junos OS\n\n\n\n  *  All versions prior to 20.4R3-S7;\n  *  21.2 versions prior to 21.2R3-S5;\n  *  21.3 versions prior to 21.3R3-S5;\n  *  21.4 versions prior to 21.4R3-S4;\n  *  22.1 versions prior to 22.1R3-S2;\n  *  22.2 versions prior to 22.2R3;\n  *  22.3 versions prior to 22.3R2-S1, 22.3R3;\n  *  22.4 versions prior to 22.4R1-S2, 22.4R2.\n\n\n\n\nJuniper Networks Junos OS Evolved\n\n\n\n  *  All versions prior to 21.4R3-S4-EVO;\n  *  22.1 versions prior to 22.1R3-S2-EVO;\n  *  22.2 versions prior to 22.2R3-EVO;\n  *  22.3 versions prior to 22.3R3-EVO;\n  *  22.4 versions prior to 22.4R2-EVO.\n\n\n\n\nAn indicator of compromise can be seen by first determining if the NETCONF client is logged in and fails to log out after a reasonable period of time and secondly reviewing the WCPU percentage for the mgd process by running the following command:\n\nmgd process example:\n\nuser@device-re#> show system processes extensive | match \"mgd|PID\" | except last\nPID USERNAME PRI NICE SIZE RES STATE C TIME WCPU COMMAND\n92476 root 100 0 500M 89024K CPU3 3 57.5H 89.60% mgd <<<<<<<<<<< review the high cpu percentage.\nExample to check for NETCONF activity:\n\nWhile there is no specific command that shows a specific session in use for NETCONF, you can review logs for UI_LOG_EVENT with \"client-mode 'netconf'\"\n\nFor example:\n\nmgd[38121]: UI_LOGIN_EVENT: User 'root' login, class 'super-user' [38121], ssh-connection '10.1.1.1 201 55480 10.1.1.2 22', client-mode 'netconf'\n\n"}],"exploits":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"<p>Juniper SIRT is not aware of any malicious exploitation of this vulnerability.</p>"}],"value":"Juniper SIRT is not aware of any malicious exploitation of this vulnerability.\n\n"}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-119","description":"CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer","lang":"en","type":"CWE"}]}],"providerMetadata":{"orgId":"8cbe9d5a-a066-4c94-8978-4b15efeae968","shortName":"juniper","dateUpdated":"2023-10-13T18:18:27.354Z"},"references":[{"tags":["vendor-advisory"],"url":"https://supportportal.juniper.net/JSA73147"}],"solutions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"<p>The following software releases have been updated to resolve this specific issue: </p><p>Junos OS: 20.4R3-S7, 21.2R3-S5, 21.3R3-S5, 21.4R3-S4, 22.1R3-S2, 22.2R3, 22.3R2-S1, 22.3R3, 22.4R1-S2, 22.4R2, 23.2R1, and all subsequent releases.</p><p>Junos OS Evolved 21.4R3-S4-EVO, 22.1R3-S2-EVO, 22.2R3-EVO, 22.3R3-EVO, 22.4R2-EVO, 23.2R1-EVO, and all subsequent releases.</p>"}],"value":"The following software releases have been updated to resolve this specific issue: \n\nJunos OS: 20.4R3-S7, 21.2R3-S5, 21.3R3-S5, 21.4R3-S4, 22.1R3-S2, 22.2R3, 22.3R2-S1, 22.3R3, 22.4R1-S2, 22.4R2, 23.2R1, and all subsequent releases.\n\nJunos OS Evolved 21.4R3-S4-EVO, 22.1R3-S2-EVO, 22.2R3-EVO, 22.3R3-EVO, 22.4R2-EVO, 23.2R1-EVO, and all subsequent releases.\n\n"}],"source":{"advisory":"JSA73147","defect":["1706285"],"discovery":"USER"},"timeline":[{"lang":"en","time":"2023-10-11T16:00:00.000Z","value":"Initial Publication"}],"title":"Junos OS and Junos OS Evolved: High CPU load due to specific NETCONF command","workarounds":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"<p>There are no known workarounds for this issue.</p><p>The impact of this issue may be temporarily cleared by periodically restarting the management daemon.</p>"}],"value":"There are no known workarounds for this issue.\n\nThe impact of this issue may be temporarily cleared by periodically restarting the management daemon.\n\n"},{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"<p>To reduce the risk of exploitation enable access control lists (ACLs) and other filtering mechanisms to limit access to the device only from trusted hosts and networks to the NETCONF service.</p>"}],"value":"To reduce the risk of exploitation enable access control lists (ACLs) and other filtering mechanisms to limit access to the device only from trusted hosts and networks to the NETCONF service.\n\n"}],"x_generator":{"engine":"Vulnogram 0.1.0-av217"}},"adp":[{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-02T19:59:51.183Z"},"title":"CVE Program Container","references":[{"tags":["vendor-advisory","x_transferred"],"url":"https://supportportal.juniper.net/JSA73147"}]},{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2024-09-17T15:54:08.524515Z","id":"CVE-2023-44184","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2024-09-17T16:11:00.874Z"}}]}}