{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "descriptions": [{"lang": "en", "value": "An issue was discovered in Asterisk Open Source 13.x before 13.37.1, 16.x before 16.14.1, 17.x before 17.8.1, and 18.x before 18.0.1 and Certified Asterisk before 16.8-cert5. If Asterisk is challenged on an outbound INVITE and the nonce is changed in each response, Asterisk will continually send INVITEs in a loop. This causes Asterisk to consume more and more memory since the transaction will never terminate (even if the call is hung up), ultimately leading to a restart or shutdown of Asterisk. Outbound authentication must be configured on the endpoint for this to occur."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2022-04-03T07:06:10", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"tags": ["x_refsource_MISC"], "url": "http://downloads.asterisk.org/pub/security/AST-2020-002.html"}, {"name": "FEDORA-2020-6b277646c7", "tags": ["vendor-advisory", "x_refsource_FEDORA"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QUS54QTQCYKR36EIULYD544GXDA644HB/"}, {"name": "[debian-lts-announce] 20220403 [SECURITY] [DLA 2969-1] asterisk security update", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "https://lists.debian.org/debian-lts-announce/2022/04/msg00001.html"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2020-28242", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "n/a", "version": {"version_data": [{"version_value": "n/a"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "An issue was discovered in Asterisk Open Source 13.x before 13.37.1, 16.x before 16.14.1, 17.x before 17.8.1, and 18.x before 18.0.1 and Certified Asterisk before 16.8-cert5. If Asterisk is challenged on an outbound INVITE and the nonce is changed in each response, Asterisk will continually send INVITEs in a loop. This causes Asterisk to consume more and more memory since the transaction will never terminate (even if the call is hung up), ultimately leading to a restart or shutdown of Asterisk. Outbound authentication must be configured on the endpoint for this to occur."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "http://downloads.asterisk.org/pub/security/AST-2020-002.html", "refsource": "MISC", "url": "http://downloads.asterisk.org/pub/security/AST-2020-002.html"}, {"name": "FEDORA-2020-6b277646c7", "refsource": "FEDORA", "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/QUS54QTQCYKR36EIULYD544GXDA644HB/"}, {"name": "[debian-lts-announce] 20220403 [SECURITY] [DLA 2969-1] asterisk security update", "refsource": "MLIST", "url": "https://lists.debian.org/debian-lts-announce/2022/04/msg00001.html"}]}}}}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2020-28242", "datePublished": "2020-11-06T05:02:58", "dateReserved": "2020-11-06T00:00:00", "dateUpdated": "2022-04-03T07:06:10", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.0"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:asterisk:certified_asterisk:*:*:*:*:*:*:*:*", "matchCriteriaId": "1FD83903-7BCB-4980-AB42-957867077070", "versionEndIncluding": "16.8.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:asterisk:open_source:*:*:*:*:*:*:*:*", "matchCriteriaId": "C3C06A06-7355-4DC5-9FF7-ECAB5238A44E", "versionEndExcluding": "13.37.1", "versionStartIncluding": "13.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:asterisk:open_source:*:*:*:*:*:*:*:*", "matchCriteriaId": "48812470-F589-4BCE-83D3-43B3317DB809", "versionEndExcluding": "16.14.1", "versionStartIncluding": "16.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:asterisk:open_source:*:*:*:*:*:*:*:*", "matchCriteriaId": "2CE909EA-7E52-4D0B-92B8-70AFB324B177", "versionEndExcluding": "17.8.1", "versionStartIncluding": "17.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:asterisk:open_source:*:*:*:*:*:*:*:*", "matchCriteriaId": "438ADC45-C0E5-4256-994E-E1E8F1170C14", "versionEndExcluding": "18.0.1", "versionStartIncluding": "18.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*", "matchCriteriaId": "E460AA51-FCDA-46B9-AE97-E6676AA5E194", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*", "matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "An issue was discovered in Asterisk Open Source 13.x before 13.37.1, 16.x before 16.14.1, 17.x before 17.8.1, and 18.x before 18.0.1 and Certified Asterisk before 16.8-cert5. If Asterisk is challenged on an outbound INVITE and the nonce is changed in each response, Asterisk will continually send INVITEs in a loop. This causes Asterisk to consume more and more memory since the transaction will never terminate (even if the call is hung up), ultimately leading to a restart or shutdown of Asterisk. Outbound authentication must be configured on the endpoint for this to occur."}, {"lang": "es", "value": "Se detect\u00f3 un problema en Asterisk Open Source versiones 13.x anteriores a 13.37.1, versiones 16.x anteriores a 16.14.1, versiones 17.x anteriores a 17.8.1 y versiones 18.x anteriores a 18.0.1 y Certified Asterisk versiones anteriores a 16.8-cert5. Si Asterisk es desafiado en un INVITE saliente y el nonce es cambiado en cada respuesta, Asterisk enviar\u00e1 los INVITE continuamente en un bucle. Esto causa que Asterisk consuma m\u00e1s y m\u00e1s memoria ya que la transacci\u00f3n nunca terminar\u00e1 (incluso si la llamada se cuelga), lo que a la larga conllevar\u00e1 a un reinicio o cierre de Asterisk. Para que esto ocurra, la autenticaci\u00f3n saliente debe ser configurada en el endpoint"}], "id": "CVE-2020-28242", "lastModified": "2023-11-07T03:21:08.837", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "PARTIAL", "baseScore": 4.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 8.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"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"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2020-11-06T06:15:11.930", "references": [{"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "http://downloads.asterisk.org/pub/security/AST-2020-002.html"}, {"source": "cve@mitre.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2022/04/msg00001.html"}, {"source": "cve@mitre.org", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QUS54QTQCYKR36EIULYD544GXDA644HB/"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-674"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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