CVE-2019-18976

{"id": "CVE-2019-18976", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"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"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"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}]}, "published": "2019-11-22T17:15:11.833", "references": [{"url": "http://downloads.asterisk.org/pub/security/AST-2019-008.html", "tags": ["Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "https://lists.debian.org/debian-lts-announce/2022/04/msg00001.html", "tags": ["Mailing List", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://packetstormsecurity.com/files/155436/Asterisk-Project-Security-Advisory-AST-2019-008.html", "tags": ["Third Party Advisory", "VDB Entry"], "source": "cve@mitre.org"}, {"url": "https://seclists.org/fulldisclosure/2019/Nov/20", "tags": ["Mailing List", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://www.asterisk.org/downloads/security-advisories", "tags": ["Vendor Advisory"], "source": "cve@mitre.org"}, {"url": "https://www.cybersecurity-help.cz/vdb/SB2019112218?affChecked=1", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-476"}]}], "descriptions": [{"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."}, {"lang": "es", "value": "Se detect\u00f3 un problema en el archivo res_pjsip_t38.c en Sangoma Asterisk versiones hasta 13.x y Certified Asterisk versiones hasta 13.21-x. Si recibe una nueva invitaci\u00f3n para iniciar el env\u00edo de faxes T.38 y tiene un puerto de 0 y sin l\u00ednea c en el SDP, se producir\u00e1 una desreferencia del puntero NULL y un bloqueo. Esto es diferente de CVE-2019-18940."}], "lastModified": "2022-06-03T14:41:01.313", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "EE39000C-238B-45D9-A2C0-9907A7FB4C36", "versionEndIncluding": "13.29.1", "versionStartIncluding": "13.0.0"}, {"criteria": "cpe:2.3:a:digium:certified_asterisk:13.21:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "8F9D13EC-820A-4D7E-9AB1-F81DCFF324DA"}, {"criteria": "cpe:2.3:a:digium:certified_asterisk:13.21:cert1:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B7EE2BD3-51DC-4DA5-A5F2-6275F5277BE7"}, {"criteria": "cpe:2.3:a:digium:certified_asterisk:13.21:cert2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "6A7B650A-4785-4A8B-BCB6-1B630A0E18E0"}, {"criteria": "cpe:2.3:a:digium:certified_asterisk:13.21:cert3:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "6B791DBB-EB45-4E9C-9C57-249D196EC0E5"}, {"criteria": "cpe:2.3:a:digium:certified_asterisk:13.21:cert4:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "BF36760E-856B-4D74-98BF-129323E9306B"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}