CVE-2019-18976

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "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."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2022-04-03T07:06:13.000Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://www.asterisk.org/downloads/security-advisories"}, {"tags": ["x_refsource_MISC"], "url": "https://www.cybersecurity-help.cz/vdb/SB2019112218?affChecked=1"}, {"tags": ["x_refsource_MISC"], "url": "https://packetstormsecurity.com/files/155436/Asterisk-Project-Security-Advisory-AST-2019-008.html"}, {"tags": ["x_refsource_MISC"], "url": "https://seclists.org/fulldisclosure/2019/Nov/20"}, {"tags": ["x_refsource_CONFIRM"], "url": "http://downloads.asterisk.org/pub/security/AST-2019-008.html"}, {"name": "[debian-lts-announce] 20220403 [SECURITY] [DLA 2969-1] asterisk security update", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "https://lists.debian.org/debian-lts-announce/2022/04/msg00001.html"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2019-18976", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "n/a", "version": {"version_data": [{"version_value": "n/a"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "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": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "https://www.asterisk.org/downloads/security-advisories", "refsource": "MISC", "url": "https://www.asterisk.org/downloads/security-advisories"}, {"name": "https://www.cybersecurity-help.cz/vdb/SB2019112218?affChecked=1", "refsource": "MISC", "url": "https://www.cybersecurity-help.cz/vdb/SB2019112218?affChecked=1"}, {"name": "https://packetstormsecurity.com/files/155436/Asterisk-Project-Security-Advisory-AST-2019-008.html", "refsource": "MISC", "url": "https://packetstormsecurity.com/files/155436/Asterisk-Project-Security-Advisory-AST-2019-008.html"}, {"name": "https://seclists.org/fulldisclosure/2019/Nov/20", "refsource": "MISC", "url": "https://seclists.org/fulldisclosure/2019/Nov/20"}, {"name": "http://downloads.asterisk.org/pub/security/AST-2019-008.html", "refsource": "CONFIRM", "url": "http://downloads.asterisk.org/pub/security/AST-2019-008.html"}, {"name": "[debian-lts-announce] 20220403 [SECURITY] [DLA 2969-1] asterisk security update", "refsource": "MLIST", "url": "https://lists.debian.org/debian-lts-announce/2022/04/msg00001.html"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-05T02:02:39.983Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.asterisk.org/downloads/security-advisories"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.cybersecurity-help.cz/vdb/SB2019112218?affChecked=1"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://packetstormsecurity.com/files/155436/Asterisk-Project-Security-Advisory-AST-2019-008.html"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://seclists.org/fulldisclosure/2019/Nov/20"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "http://downloads.asterisk.org/pub/security/AST-2019-008.html"}, {"name": "[debian-lts-announce] 20220403 [SECURITY] [DLA 2969-1] asterisk security update", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "https://lists.debian.org/debian-lts-announce/2022/04/msg00001.html"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2019-18976", "datePublished": "2019-11-22T16:59:19.000Z", "dateReserved": "2019-11-14T00:00:00.000Z", "dateUpdated": "2024-08-05T02:02:39.983Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:*", "matchCriteriaId": "EE39000C-238B-45D9-A2C0-9907A7FB4C36", "versionEndIncluding": "13.29.1", "versionStartIncluding": "13.0.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:digium:certified_asterisk:13.21:*:*:*:*:*:*:*", "matchCriteriaId": "8F9D13EC-820A-4D7E-9AB1-F81DCFF324DA", "vulnerable": true}, {"criteria": "cpe:2.3:a:digium:certified_asterisk:13.21:cert1:*:*:*:*:*:*", "matchCriteriaId": "B7EE2BD3-51DC-4DA5-A5F2-6275F5277BE7", "vulnerable": true}, {"criteria": "cpe:2.3:a:digium:certified_asterisk:13.21:cert2:*:*:*:*:*:*", "matchCriteriaId": "6A7B650A-4785-4A8B-BCB6-1B630A0E18E0", "vulnerable": true}, {"criteria": "cpe:2.3:a:digium:certified_asterisk:13.21:cert3:*:*:*:*:*:*", "matchCriteriaId": "6B791DBB-EB45-4E9C-9C57-249D196EC0E5", "vulnerable": true}, {"criteria": "cpe:2.3:a:digium:certified_asterisk:13.21:cert4:*:*:*:*:*:*", "matchCriteriaId": "BF36760E-856B-4D74-98BF-129323E9306B", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*", "matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "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."}], "id": "CVE-2019-18976", "lastModified": "2026-06-17T02:25:39.097", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2019-11-22T17:15:11.833", "references": [{"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "http://downloads.asterisk.org/pub/security/AST-2019-008.html"}, {"source": "cve@mitre.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2022/04/msg00001.html"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory", "VDB Entry"], "url": "https://packetstormsecurity.com/files/155436/Asterisk-Project-Security-Advisory-AST-2019-008.html"}, {"source": "cve@mitre.org", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://seclists.org/fulldisclosure/2019/Nov/20"}, {"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "https://www.asterisk.org/downloads/security-advisories"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://www.cybersecurity-help.cz/vdb/SB2019112218?affChecked=1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "http://downloads.asterisk.org/pub/security/AST-2019-008.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2022/04/msg00001.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "https://packetstormsecurity.com/files/155436/Asterisk-Project-Security-Advisory-AST-2019-008.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://seclists.org/fulldisclosure/2019/Nov/20"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://www.asterisk.org/downloads/security-advisories"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://www.cybersecurity-help.cz/vdb/SB2019112218?affChecked=1"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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