{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2023-44193", "assignerOrgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968", "state": "PUBLISHED", "assignerShortName": "juniper", "dateReserved": "2023-09-26T19:30:27.955Z", "datePublished": "2023-10-12T23:04:00.332Z", "dateUpdated": "2024-09-17T16:10:44.571Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "platforms": ["MX Series"], "product": "Junos OS", "vendor": "Juniper Networks", "versions": [{"lessThan": "20.4R3-S7", "status": "affected", "version": "0", "versionType": "semver"}, {"lessThan": "21.1R3-S5", "status": "affected", "version": "21.1", "versionType": "semver"}, {"lessThan": "21.2R3-S4", "status": "affected", "version": "21.2", "versionType": "semver"}, {"lessThan": "21.3R3-S4", "status": "affected", "version": "21.3", "versionType": "semver"}, {"lessThan": "21.4R3-S3", "status": "affected", "version": "21.4", "versionType": "semver"}, {"lessThan": "22.1R3-S1", "status": "affected", "version": "22.1", "versionType": "semver"}, {"lessThan": "22.2R2-S1, 22.2R3", "status": "affected", "version": "22.2", "versionType": "semver"}, {"lessThan": "22.3R1-S2, 22.3R2", "status": "affected", "version": "22.3", "versionType": "semver"}]}], "configurations": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "\n\n<p>For this issue to occur, following minimal configuration is required.</p><code>[ ldp interface &lt;interface1&gt; ]</code><br><code>[ interfaces &lt;interface1&gt; flexible-vlan-tagging ]</code><br><code>[ interfaces &lt;interface1&gt; encapsulation vlan-vpls ]</code><br><code>[ protocols oam ethernet connectivity-fault-management maintenance-domain &lt;md-name&gt; interface &lt;interface2&gt; ]</code><br><code>[ routing-instances &lt;md-name&gt; instance-type vpls ]</code><br><code>[ routing-instances &lt;md-name&gt; interface &lt;interface1&gt; ]</code>\n\n"}], "value": "\nFor this issue to occur, following minimal configuration is required.\n\n[ ldp interface <interface1> ]\n[ interfaces <interface1> flexible-vlan-tagging ]\n[ interfaces <interface1> encapsulation vlan-vpls ]\n[ protocols oam ethernet connectivity-fault-management maintenance-domain <md-name> interface <interface2> ]\n[ routing-instances <md-name> instance-type vpls ]\n[ routing-instances <md-name> interface <interface1> ]\n\n"}], "datePublic": "2023-10-11T16:00:00.000Z", "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "\n\n<p>An Improper Release of Memory Before Removing Last Reference vulnerability in Packet Forwarding Engine (PFE) of Juniper Networks Junos OS allows a local, low privileged attacker to cause an FPC crash, leading to Denial of Service (DoS).</p><p>On all Junos MX Series with MPC1 - MPC9, LC480, LC2101, MX10003, and MX80, when Connectivity-Fault-Management (CFM) is enabled in a VPLS scenario, and a specific LDP related command is run, an FPC will crash and reboot. 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Continued execution of this specific LDP command can lead to sustained Denial of Service condition.\n\nThis issue affects:\n\nJuniper Networks Junos OS on MX Series:\n\n\n\n * All versions prior to 20.4R3-S7;\n * 21.1 versions prior to 21.1R3-S5;\n * 21.2 versions prior to 21.2R3-S4;\n * 21.3 versions prior to 21.3R3-S4;\n * 21.4 versions prior to 21.4R3-S3;\n * 22.1 versions prior to 22.1R3-S1;\n * 22.2 versions prior to 22.2R2-S1, 22.2R3;\n * 22.3 versions prior to 22.3R1-S2, 22.3R2.\n\n\n\n\n\n\n", "supportingMedia": [{"type": "text/html", "value": "\n\n<p>An Improper Release of Memory Before Removing Last Reference vulnerability in Packet Forwarding Engine (PFE) of Juniper Networks Junos OS allows a local, low privileged attacker to cause an FPC crash, leading to Denial of Service (DoS).</p><p>On all Junos MX Series with MPC1 - MPC9, LC480, LC2101, MX10003, and MX80, when Connectivity-Fault-Management (CFM) is enabled in a VPLS scenario, and a specific LDP related command is run, an FPC will crash and reboot. Continued execution of this specific LDP command can lead to sustained Denial of Service condition.</p><p>This issue affects:</p><p>Juniper Networks Junos OS on MX Series:</p><p></p><ul><li>All versions prior to 20.4R3-S7;</li><li>21.1 versions prior to 21.1R3-S5;</li><li>21.2 versions prior to 21.2R3-S4;</li><li>21.3 versions prior to 21.3R3-S4;</li><li>21.4 versions prior to 21.4R3-S3;</li><li>22.1 versions prior to 22.1R3-S1;</li><li>22.2 versions prior to 22.2R2-S1, 22.2R3;</li><li>22.3 versions prior to 22.3R1-S2, 22.3R2.</li></ul><p></p>\n\n", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-401", "description": "CWE-401 Improper Release of Memory Before Removing Last Reference"}]}, {"descriptions": [{"lang": "en", "description": "Denial of Service (DoS)"}]}], "configurations": [{"lang": "en", "value": "\nFor this issue to occur, following minimal configuration is required.\n\n[ ldp interface <interface1> ]\n[ interfaces <interface1> flexible-vlan-tagging ]\n[ interfaces <interface1> encapsulation vlan-vpls ]\n[ protocols oam ethernet connectivity-fault-management maintenance-domain <md-name> interface <interface2> ]\n[ routing-instances <md-name> instance-type vpls ]\n[ routing-instances <md-name> interface <interface1> ]\n\n", "supportingMedia": [{"type": "text/html", "value": "\n\n<p>For this issue to occur, following minimal configuration is required.</p><code>[ ldp interface &lt;interface1&gt; ]</code><br><code>[ interfaces &lt;interface1&gt; flexible-vlan-tagging ]</code><br><code>[ interfaces &lt;interface1&gt; encapsulation vlan-vpls ]</code><br><code>[ protocols oam ethernet connectivity-fault-management maintenance-domain &lt;md-name&gt; interface &lt;interface2&gt; ]</code><br><code>[ routing-instances &lt;md-name&gt; instance-type vpls ]</code><br><code>[ routing-instances &lt;md-name&gt; interface &lt;interface1&gt; ]</code>\n\n", "base64": false}]}], "providerMetadata": {"orgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968", "shortName": "juniper", "dateUpdated": "2023-10-12T23:04:00.332Z"}}}, "cveMetadata": {"cveId": "CVE-2023-44193", "state": "PUBLISHED", "dateUpdated": "2024-09-17T16:10:44.571Z", "dateReserved": "2023-09-26T19:30:27.955Z", "assignerOrgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968", "datePublished": "2023-10-12T23:04:00.332Z", "assignerShortName": "juniper"}, "dataVersion": "5.1"}

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MX Series with MPC1 - MPC9, LC480, LC2101, MX10003, and MX80, when Connectivity-Fault-Management (CFM) is enabled in a VPLS scenario, and a specific LDP related command is run, an FPC will crash and reboot. Continued execution of this specific LDP command can lead to sustained Denial of Service condition.\n\nThis issue affects:\n\nJuniper Networks Junos OS on MX Series:\n\n\n\n * All versions prior to 20.4R3-S7;\n * 21.1 versions prior to 21.1R3-S5;\n * 21.2 versions prior to 21.2R3-S4;\n * 21.3 versions prior to 21.3R3-S4;\n * 21.4 versions prior to 21.4R3-S3;\n * 22.1 versions prior to 22.1R3-S1;\n * 22.2 versions prior to 22.2R2-S1, 22.2R3;\n * 22.3 versions prior to 22.3R1-S2, 22.3R2.\n\n\n\n\n\n\n"}, {"lang": "es", "value": "Una vulnerabilidad de liberaci\u00f3n inadecuada de memoria antes de eliminar la \u00faltima referencia en Packet Forwarding Engine (PFE) de Juniper Networks Junos OS permite que un atacante local con pocos privilegios provoque una falla del FPC, lo que lleva a una Denegaci\u00f3n de Servicio (DoS). En todas las series Junos MX con MPC1 - MPC9, LC480, LC2101, MX10003 y MX80, cuando Connectivity-Fault-Management (CFM) est\u00e1 habilitada en un escenario VPLS y se ejecuta un comando relacionado con LDP espec\u00edfico, un FPC fallar\u00e1 y se reiniciar\u00e1. La ejecuci\u00f3n continua de este comando LDP espec\u00edfico puede provocar una condici\u00f3n sostenida de Denegaci\u00f3n de Servicio. Este problema afecta a: Juniper Networks Junos OS en la serie MX: * Todas las versiones anteriores a 20.4R3-S7; * Versiones 21.1 anteriores a 21.1R3-S5; * Versiones 21.2 anteriores a 21.2R3-S4; * Versiones 21.3 anteriores a 21.3R3-S4; * Versiones 21.4 anteriores a 21.4R3-S3; * Versiones 22.1 anteriores a 22.1R3-S1; * Versiones 22.2 anteriores a 22.2R2-S1, 22.2R3; * Versiones 22.3 anteriores a 22.3R1-S2, 22.3R2."}], "id": "CVE-2023-44193", "lastModified": "2023-10-20T13:31:08.350", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "sirt@juniper.net", "type": "Secondary"}]}, "published": "2023-10-13T00:15:12.377", "references": [{"source": "sirt@juniper.net", "tags": ["Vendor Advisory"], "url": "https://supportportal.juniper.net/JSA73157"}], "sourceIdentifier": "sirt@juniper.net", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-401"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-401"}], "source": "sirt@juniper.net", "type": "Secondary"}]}

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