CVE-2020-35776

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "http://seclists.org/fulldisclosure/2021/Feb/57", "name": "20210218 AST-2021-001: Remote crash in res_pjsip_diversion", "tags": ["Mailing List", "Third Party Advisory"], "refsource": "FULLDISC"}, {"url": "https://downloads.asterisk.org/pub/security/AST-2021-001.html", "name": "https://downloads.asterisk.org/pub/security/AST-2021-001.html", "tags": ["Vendor Advisory"], "refsource": "CONFIRM"}, {"url": "https://issues.asterisk.org/", "name": "https://issues.asterisk.org/", "tags": ["Issue Tracking", "Vendor Advisory"], "refsource": "MISC"}, {"url": "https://issues.asterisk.org/jira/browse/ASTERISK-29227", "name": "https://issues.asterisk.org/jira/browse/ASTERISK-29227", "tags": ["Exploit", "Issue Tracking", "Patch", "Vendor Advisory"], "refsource": "CONFIRM"}, {"url": "http://packetstormsecurity.com/files/161470/Asterisk-Project-Security-Advisory-AST-2021-001.html", "name": "http://packetstormsecurity.com/files/161470/Asterisk-Project-Security-Advisory-AST-2021-001.html", "tags": ["Patch", "Third Party Advisory"], "refsource": "MISC"}]}, "data_format": "MITRE", "description": {"description_data": [{"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."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-120"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2020-35776", "ASSIGNER": "cve@mitre.org"}}, "impact": {"baseMetricV2": {"cvssV2": {"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"}, "severity": "MEDIUM", "acInsufInfo": false, "impactScore": 2.9, "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": true}, "baseMetricV3": {"cvssV3": {"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}}, "publishedDate": "2021-02-18T20:15Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndIncluding": "13.38.1", "versionStartIncluding": "13.0.0"}, {"cpe23Uri": "cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndIncluding": "16.15.1", "versionStartIncluding": "16.0.0"}, {"cpe23Uri": "cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndIncluding": "17.9.1", "versionStartIncluding": "17.0.0"}, {"cpe23Uri": "cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndIncluding": "18.1.1", "versionStartIncluding": "18.0"}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2021-02-24T17:43Z"}