CVE-2020-35776

{"id": "CVE-2020-35776", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 4.3, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "MEDIUM", "availabilityImpact": "PARTIAL", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": true}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 2.8}]}, "published": "2021-02-18T20:15:12.447", "references": [{"url": "http://packetstormsecurity.com/files/161470/Asterisk-Project-Security-Advisory-AST-2021-001.html", "tags": ["Patch", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "http://seclists.org/fulldisclosure/2021/Feb/57", "tags": ["Mailing List", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://downloads.asterisk.org/pub/security/AST-2021-001.html", "tags": ["Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "https://issues.asterisk.org/", "tags": ["Issue Tracking", "Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "https://issues.asterisk.org/jira/browse/ASTERISK-29227", "tags": ["Exploit", "Issue Tracking", "Patch", "Vendor Advisory"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-120"}]}], "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"}], "lastModified": "2021-02-24T17:43:09.037", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "1E99E69F-264A-4AD2-B507-02486117FA1C", "versionEndIncluding": "13.38.1", "versionStartIncluding": "13.0.0"}, {"criteria": "cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A0F7194B-B22A-4A28-98D2-5565442D8EF9", "versionEndIncluding": "16.15.1", "versionStartIncluding": "16.0.0"}, {"criteria": "cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "1B6714BD-DBC8-4F8D-A7C9-C8A93FE7A73C", "versionEndIncluding": "17.9.1", "versionStartIncluding": "17.0.0"}, {"criteria": "cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A8DFA54E-1555-4438-AAD3-DE033F33147F", "versionEndIncluding": "18.1.1", "versionStartIncluding": "18.0"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}