{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2023-36835", "assignerOrgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968", "state": "PUBLISHED", "assignerShortName": "juniper", "dateReserved": "2023-06-27T16:17:25.276Z", "datePublished": "2023-07-14T17:11:26.454Z", "dateUpdated": "2024-08-02T17:01:09.846Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "platforms": ["QFX10000 Series"], "product": "Junos OS", "vendor": "Juniper Networks", "versions": [{"changes": [{"at": "20.3R1", "status": "affected"}], "lessThan": "20.3*", "status": "affected", "version": "20.3", "versionType": "custom"}, {"lessThan": "20.4R3-S5", "status": "affected", "version": "20.4", "versionType": "custom"}, {"lessThan": "21.1R3-S5", "status": "affected", "version": "21.1", "versionType": "custom"}, {"lessThan": "21.2R3-S5", "status": "affected", "version": "21.2", "versionType": "custom"}, {"lessThan": "21.3R3-S4", "status": "affected", "version": "21.3", "versionType": "custom"}, {"lessThan": "21.4R3-S1", "status": "affected", "version": "21.4", "versionType": "custom"}, {"lessThan": "22.1R3", "status": "affected", "version": "22.1", "versionType": "custom"}, {"lessThan": "22.2R2", "status": "affected", "version": "22.2", "versionType": "custom"}, {"lessThan": "22.3R1-S2, 22.3R2", "status": "affected", "version": "22.3", "versionType": "custom"}]}], "configurations": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "To be exposed to this issue the QFX device needs be configured for VXLAN with either of the following statements:<br><br><tt>&nbsp; [ vlans &lt;vlan&gt; vxlan ]<br><br>&nbsp; [ routing-instances &lt;routing-instance&gt; vxlan ]</tt>"}], "value": "To be exposed to this issue the QFX device needs be configured for VXLAN with either of the following statements:\n\n\u00a0 [ vlans <vlan> vxlan ]\n\n\u00a0 [ routing-instances <routing-instance> vxlan ]"}], "datePublic": "2023-07-12T16:00:00.000Z", "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "An Improper Check for Unusual or Exceptional Conditions vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS on QFX10000 Series allows a network based attacker to cause a Denial of Service (DoS).<br><br>If a specific valid IP packet is received and that packet needs to be routed over a VXLAN tunnel, this will result in a PFE wedge condition due to which traffic gets impacted. As this is not a crash and restart scenario, this condition will persist until the system is rebooted to recover.<br><br>This issue affects Juniper Networks Junos OS on QFX10000:<br>20.3 version 20.3R1 and later versions;<br>20.4 versions prior to 20.4R3-S5;<br>21.1 versions prior to 21.1R3-S5;<br>21.2 versions prior to 21.2R3-S5;<br>21.3 versions prior to 21.3R3-S4;<br>21.4 versions prior to 21.4R3-S1;<br>22.1 versions prior to 22.1R3;<br>22.2 versions prior to 22.2R2;<br>22.3 versions prior to 22.3R1-S2, 22.3R2.<br>"}], "value": "An Improper Check for Unusual or Exceptional Conditions vulnerability in the Packet Forwarding Engine (PFE) of Juniper Networks Junos OS on QFX10000 Series allows a network based attacker to cause a Denial of Service (DoS).\n\nIf a specific valid IP packet is received and that packet needs to be routed over a VXLAN tunnel, this will result in a PFE wedge condition due to which traffic gets impacted. 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will result in a PFE wedge condition due to which traffic gets impacted. As this is not a crash and restart scenario, this condition will persist until the system is rebooted to recover.\n\nThis issue affects Juniper Networks Junos OS on QFX10000:\n20.3 version 20.3R1 and later versions;\n20.4 versions prior to 20.4R3-S5;\n21.1 versions prior to 21.1R3-S5;\n21.2 versions prior to 21.2R3-S5;\n21.3 versions prior to 21.3R3-S4;\n21.4 versions prior to 21.4R3-S1;\n22.1 versions prior to 22.1R3;\n22.2 versions prior to 22.2R2;\n22.3 versions prior to 22.3R1-S2, 22.3R2.\n"}], "id": "CVE-2023-36835", "lastModified": "2023-07-27T14:30:58.727", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "sirt@juniper.net", "type": "Secondary"}]}, "published": "2023-07-14T18:15:10.133", "references": [{"source": "sirt@juniper.net", "tags": ["Vendor Advisory"], "url": "https://supportportal.juniper.net/JSA71642"}], "sourceIdentifier": "sirt@juniper.net", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-754"}], "source": "sirt@juniper.net", "type": "Primary"}]}

{}