{"containers": {"cna": {"affected": [{"platforms": ["MX Series, SRX Series"], "product": "Junos OS", "vendor": "Juniper Networks", "versions": [{"lessThan": "20.4R1", "status": "unaffected", "version": "unspecified", "versionType": "custom"}, {"lessThan": "20.4R3", "status": "affected", "version": "20.4", "versionType": "custom"}, {"lessThan": "21.1R2-S1, 21.1R3", "status": "affected", "version": "21.1", "versionType": "custom"}, {"lessThan": "21.2R2", "status": "affected", "version": "21.2", "versionType": "custom"}]}], "configurations": [{"lang": "en", "value": "To be affected the SIP ALG needs to be enabled, either implicitly / by default or by way of configuration. Please verify on SRX with:\n\n user@host> show security alg status | match sip\n SIP : Enabled\n\nPlease verify on MX whether the following is configured:\n\n [ services ... rule <rule-name> (term <term-name>) from/match application/application-set <name> ]\n\nwhere either\na. name = junos-sip or\nan application or application-set refers to SIP:\nb. [ applications application <name> application-protocol sip ] or\nc. [ applications application-set <name> application junos-sip ]"}], "datePublic": "2022-04-13T00:00:00", "descriptions": [{"lang": "en", "value": "An Access of Uninitialized Pointer vulnerability in the SIP ALG of Juniper Networks Junos OS allows an unauthenticated network-based attacker to cause a Denial of Service (DoS). Continued receipt of these specific packets will cause a sustained Denial of Service condition. 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Access of Uninitialized Pointer vulnerability in the SIP ALG of Juniper Networks Junos OS allows an unauthenticated network-based attacker to cause a Denial of Service (DoS). Continued receipt of these specific packets will cause a sustained Denial of Service condition. On all MX and SRX platforms, if the SIP ALG is enabled, an MS-MPC or MS-MIC, or SPC will crash if it receives a SIP message with a specific contact header format. This issue affects Juniper Networks Junos OS on MX Series and SRX Series: 20.4 versions prior to 20.4R3; 21.1 versions prior to 21.1R2-S1, 21.1R3; 21.2 versions prior to 21.2R2. This issue does not affect versions prior to 20.4R1."}, {"lang": "es", "value": "Una vulnerabilidad de Acceso de Puntero no Inicializado en la SIP ALG de Juniper Networks Junos OS permite a un atacante no autenticado basado en la red causar una Denegaci\u00f3n de Servicio (DoS). La recepci\u00f3n continuada de estos paquetes espec\u00edficos causar\u00e1 una condici\u00f3n de denegaci\u00f3n de servicio sostenida. En todas las plataformas MX y SRX, si la ALG de SIP est\u00e1 habilitada, un MS-MPC o MS-MIC, o SPC ser\u00e1 bloqueado si recibe un mensaje SIP con un formato de encabezado de contacto espec\u00edfico. Este problema afecta a Juniper Networks Junos OS en las series MX y SRX: versiones 20.4 anteriores a 20.4R3; versiones 21.1 anteriores a 21.1R2-S1, 21.1R3; versiones 21.2 anteriores a 21.2R2. Este problema no afecta a versiones anteriores a 20.4R1"}], "id": "CVE-2022-22198", "lastModified": "2022-04-23T02:26:01.143", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 7.1, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:C", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 6.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "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": "2022-04-14T16:15:08.653", "references": [{"source": "sirt@juniper.net", "tags": ["Mitigation", "Vendor Advisory"], "url": "https://kb.juniper.net/JSA69513"}], "sourceIdentifier": "sirt@juniper.net", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-824"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-824"}], "source": "sirt@juniper.net", "type": "Secondary"}]}

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