Show plain JSON{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:*", "matchCriteriaId": "1E99E69F-264A-4AD2-B507-02486117FA1C", "versionEndIncluding": "13.38.1", "versionStartIncluding": "13.0.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:*", "matchCriteriaId": "A0F7194B-B22A-4A28-98D2-5565442D8EF9", "versionEndIncluding": "16.15.1", "versionStartIncluding": "16.0.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:*", "matchCriteriaId": "1B6714BD-DBC8-4F8D-A7C9-C8A93FE7A73C", "versionEndIncluding": "17.9.1", "versionStartIncluding": "17.0.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:*", "matchCriteriaId": "A8DFA54E-1555-4438-AAD3-DE033F33147F", "versionEndIncluding": "18.1.1", "versionStartIncluding": "18.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "A buffer overflow in res_pjsip_diversion.c in Sangoma Asterisk versions 13.38.1, 16.15.1, 17.9.1, and 18.1.1 allows remote attacker to crash Asterisk by deliberately misusing SIP 181 responses."}, {"lang": "es", "value": "Un desbordamiento del b\u00fafer en el archivo res_pjsip_diversion.c en Sangoma Asterisk versiones 13.38.1, 16.15.1, 17.9.1 y 18.1.1, permite a un atacante remoto bloquear Asterisk al hacer un uso inapropiado deliberadamente de las respuestas SIP 181"}], "id": "CVE-2020-35776", "lastModified": "2024-11-21T05:28:03.670", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 4.3, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-02-18T20:15:12.447", "references": [{"source": "cve@mitre.org", "tags": ["Patch", "Third Party Advisory"], "url": "http://packetstormsecurity.com/files/161470/Asterisk-Project-Security-Advisory-AST-2021-001.html"}, {"source": "cve@mitre.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://seclists.org/fulldisclosure/2021/Feb/57"}, {"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "https://downloads.asterisk.org/pub/security/AST-2021-001.html"}, {"source": "cve@mitre.org", "tags": ["Issue Tracking", "Vendor Advisory"], "url": "https://issues.asterisk.org/"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Issue Tracking", "Patch", "Vendor Advisory"], "url": "https://issues.asterisk.org/jira/browse/ASTERISK-29227"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "http://packetstormsecurity.com/files/161470/Asterisk-Project-Security-Advisory-AST-2021-001.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://seclists.org/fulldisclosure/2021/Feb/57"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://downloads.asterisk.org/pub/security/AST-2021-001.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Vendor Advisory"], "url": "https://issues.asterisk.org/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Issue Tracking", "Patch", "Vendor Advisory"], "url": "https://issues.asterisk.org/jira/browse/ASTERISK-29227"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-120"}], "source": "nvd@nist.gov", "type": "Primary"}]}