{ "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": "2024-11-07T14:24:52.880Z" }, "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:

  [ vlans <vlan> vxlan ]

  [ routing-instances <routing-instance> vxlan ]" } ], "value": "To be exposed to this issue the QFX device needs be configured for VXLAN with either of the following statements:\n\n  [ vlans vxlan ]\n\n  [ routing-instances 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).

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.

This issue affects Juniper Networks Junos OS on QFX10000:
20.3 version 20.3R1 and later versions;
20.4 versions prior to 20.4R3-S5;
21.1 versions prior to 21.1R3-S5;
21.2 versions prior to 21.2R3-S5;
21.3 versions prior to 21.3R3-S4;
21.4 versions prior to 21.4R3-S1;
22.1 versions prior to 22.1R3;
22.2 versions prior to 22.2R2;
22.3 versions prior to 22.3R1-S2, 22.3R2.
" } ], "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. 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" } ], "exploits": [ { "lang": "en", "supportingMedia": [ { "base64": false, "type": "text/html", "value": "Juniper SIRT is not aware of any malicious exploitation of this vulnerability.
" } ], "value": "Juniper SIRT is not aware of any malicious exploitation of this vulnerability.\n" } ], "metrics": [ { "cvssV3_1": { "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" }, "format": "CVSS", "scenarios": [ { "lang": "en", "value": "GENERAL" } ] } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-754", "description": "CWE-754 Improper Check for Unusual or Exceptional Conditions", "lang": "en", "type": "CWE" } ] }, { "descriptions": [ { "description": "Denial of Service (DoS)", "lang": "en" } ] } ], "providerMetadata": { "orgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968", "shortName": "juniper", "dateUpdated": "2023-07-14T17:11:26.454Z" }, "references": [ { "url": "https://supportportal.juniper.net/JSA71642" } ], "solutions": [ { "lang": "en", "supportingMedia": [ { "base64": false, "type": "text/html", "value": "The following software releases have been updated to resolve this specific issue: Junos OS 20.4R3-S5, 21.1R3-S5, 21.2R3-S5, 21.3R3-S4, 21.4R3-S1, 22.1R3, 22.2R2, 22.3R1-S2, 22.3R2, 22.4R1, and all subsequent releases.
" } ], "value": "The following software releases have been updated to resolve this specific issue: Junos OS 20.4R3-S5, 21.1R3-S5, 21.2R3-S5, 21.3R3-S4, 21.4R3-S1, 22.1R3, 22.2R2, 22.3R1-S2, 22.3R2, 22.4R1, and all subsequent releases.\n" } ], "source": { "advisory": "JSA71642", "defect": [ "1678992" ], "discovery": "USER" }, "title": "Junos OS: QFX10000 Series: All traffic will be dropped after a specific valid IP packet has been received which needs to be routed over a VXLAN tunnel", "workarounds": [ { "lang": "en", "supportingMedia": [ { "base64": false, "type": "text/html", "value": "There are no known workarounds for this issue.
" } ], "value": "There are no known workarounds for this issue.\n" } ], "x_generator": { "engine": "Vulnogram 0.1.0-dev" } }, "adp": [ { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T17:01:09.846Z" }, "title": "CVE Program Container", "references": [ { "url": "https://supportportal.juniper.net/JSA71642", "tags": [ "x_transferred" ] } ] }, { "affected": [ { "vendor": "juniper_networks", "product": "junos_os", "cpes": [ "cpe:2.3:a:juniper_networks:junos_os:*:*:*:*:*:*:*:*" ], "defaultStatus": "unknown", "versions": [ { "version": "20.3", "status": "affected", "lessThan": "20.3*", "versionType": "custom" }, { "version": "20.4", "status": "affected", "lessThan": "20.4R3-S5", "versionType": "custom" }, { "version": "21.1", "status": "affected", "lessThan": "21.1R3-S5", "versionType": "custom" }, { "version": "21.2", "status": "affected", "lessThan": "21.2R3-S5", "versionType": "custom" }, { "version": "21.3", "status": "affected", "lessThan": "21.3R3-S4", "versionType": "custom" }, { "version": "21.4", "status": "affected", "lessThan": "21.4R3-S1", "versionType": "custom" }, { "version": "22.1", "status": "affected", "lessThan": "22.1R3", "versionType": "custom" }, { "version": "22.2", "status": "affected", "lessThan": "22.2R2", "versionType": "custom" }, { "version": "22.3", "status": "affected", "lessThan": "22.3R1-S2", "versionType": "custom" }, { "version": "22.3", "status": "affected", "lessThan": "22.3R2", "versionType": "custom" } ] } ], "metrics": [ { "other": { "type": "ssvc", "content": { "timestamp": "2024-11-07T14:18:56.731957Z", "id": "CVE-2023-36835", "options": [ { "Exploitation": "none" }, { "Automatable": "yes" }, { "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": "2024-11-07T14:24:52.880Z" } } ] } }