CVE-2019-18976

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://www.cybersecurity-help.cz/vdb/SB2019112218?affChecked=1", "name": "https://www.cybersecurity-help.cz/vdb/SB2019112218?affChecked=1", "tags": ["Third Party Advisory"], "refsource": "MISC"}, {"url": "https://www.asterisk.org/downloads/security-advisories", "name": "https://www.asterisk.org/downloads/security-advisories", "tags": ["Vendor Advisory"], "refsource": "MISC"}, {"url": "http://downloads.asterisk.org/pub/security/AST-2019-008.html", "name": "http://downloads.asterisk.org/pub/security/AST-2019-008.html", "tags": ["Vendor Advisory"], "refsource": "CONFIRM"}, {"url": "https://packetstormsecurity.com/files/155436/Asterisk-Project-Security-Advisory-AST-2019-008.html", "name": "https://packetstormsecurity.com/files/155436/Asterisk-Project-Security-Advisory-AST-2019-008.html", "tags": ["Third Party Advisory", "VDB Entry"], "refsource": "MISC"}, {"url": "https://seclists.org/fulldisclosure/2019/Nov/20", "name": "https://seclists.org/fulldisclosure/2019/Nov/20", "tags": ["Mailing List", "Third Party Advisory"], "refsource": "MISC"}, {"url": "https://lists.debian.org/debian-lts-announce/2022/04/msg00001.html", "name": "[debian-lts-announce] 20220403 [SECURITY] [DLA 2969-1] asterisk security update", "tags": ["Mailing List", "Third Party Advisory"], "refsource": "MLIST"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "An issue was discovered in res_pjsip_t38.c in Sangoma Asterisk through 13.x and Certified Asterisk through 13.21-x. If it receives a re-invite initiating T.38 faxing and has a port of 0 and no c line in the SDP, a NULL pointer dereference and crash will occur. This is different from CVE-2019-18940."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-476"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2019-18976", "ASSIGNER": "cve@mitre.org"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 5.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "NONE"}, "severity": "MEDIUM", "acInsufInfo": false, "impactScore": 2.9, "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "baseMetricV3": {"cvssV3": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 3.9}}, "publishedDate": "2019-11-22T17:15Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:digium:certified_asterisk:13.21:cert1:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:digium:certified_asterisk:13.21:cert2:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:digium:certified_asterisk:13.21:cert3:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:digium:certified_asterisk:13.21:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:digium:certified_asterisk:13.21:cert4:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndIncluding": "13.29.1", "versionStartIncluding": "13.0.0"}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2022-06-03T14:41Z"}