CVE-2019-18976 (GCVE-0-2019-18976)
Vulnerability from cvelistv5 – Published: 2019-11-22 16:59 – Updated: 2024-08-05 02:02
VLAI?
Summary
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.
Severity ?
No CVSS data available.
CWE
- n/a
Assigner
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-05T02:02:39.983Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"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"
}
],
"title": "CVE Program Container"
}
],
"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",
"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"
}
]
}
}
}
},
"cveMetadata": {
"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
"assignerShortName": "mitre",
"cveId": "CVE-2019-18976",
"datePublished": "2019-11-22T16:59:19",
"dateReserved": "2019-11-14T00:00:00",
"dateUpdated": "2024-08-05T02:02:39.983Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1",
"vulnerability-lookup:meta": {
"fkie_nvd": {
"configurations": "[{\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"13.0.0\", \"versionEndIncluding\": \"13.29.1\", \"matchCriteriaId\": \"EE39000C-238B-45D9-A2C0-9907A7FB4C36\"}, {\"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\"}]}]}, {\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*\", \"matchCriteriaId\": \"DEECE5FC-CACF-4496-A3E7-164736409252\"}]}]}]",
"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": "2024-11-21T04:33:55.320",
"metrics": "{\"cvssMetricV31\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\", \"baseScore\": 7.5, \"baseSeverity\": \"HIGH\", \"attackVector\": \"NETWORK\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"NONE\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"NONE\", \"availabilityImpact\": \"HIGH\"}, \"exploitabilityScore\": 3.9, \"impactScore\": 3.6}], \"cvssMetricV2\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"2.0\", \"vectorString\": \"AV:N/AC:L/Au:N/C:N/I:N/A:P\", \"baseScore\": 5.0, \"accessVector\": \"NETWORK\", \"accessComplexity\": \"LOW\", \"authentication\": \"NONE\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"NONE\", \"availabilityImpact\": \"PARTIAL\"}, \"baseSeverity\": \"MEDIUM\", \"exploitabilityScore\": 10.0, \"impactScore\": 2.9, \"acInsufInfo\": false, \"obtainAllPrivilege\": false, \"obtainUserPrivilege\": false, \"obtainOtherPrivilege\": false, \"userInteractionRequired\": false}]}",
"published": "2019-11-22T17:15:11.833",
"references": "[{\"url\": \"http://downloads.asterisk.org/pub/security/AST-2019-008.html\", \"source\": \"cve@mitre.org\", \"tags\": [\"Vendor Advisory\"]}, {\"url\": \"https://lists.debian.org/debian-lts-announce/2022/04/msg00001.html\", \"source\": \"cve@mitre.org\", \"tags\": [\"Mailing List\", \"Third Party Advisory\"]}, {\"url\": \"https://packetstormsecurity.com/files/155436/Asterisk-Project-Security-Advisory-AST-2019-008.html\", \"source\": \"cve@mitre.org\", \"tags\": [\"Third Party Advisory\", \"VDB Entry\"]}, {\"url\": \"https://seclists.org/fulldisclosure/2019/Nov/20\", \"source\": \"cve@mitre.org\", \"tags\": [\"Mailing List\", \"Third Party Advisory\"]}, {\"url\": \"https://www.asterisk.org/downloads/security-advisories\", \"source\": \"cve@mitre.org\", \"tags\": [\"Vendor Advisory\"]}, {\"url\": \"https://www.cybersecurity-help.cz/vdb/SB2019112218?affChecked=1\", \"source\": \"cve@mitre.org\", \"tags\": [\"Third Party Advisory\"]}, {\"url\": \"http://downloads.asterisk.org/pub/security/AST-2019-008.html\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Vendor Advisory\"]}, {\"url\": \"https://lists.debian.org/debian-lts-announce/2022/04/msg00001.html\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Mailing List\", \"Third Party Advisory\"]}, {\"url\": \"https://packetstormsecurity.com/files/155436/Asterisk-Project-Security-Advisory-AST-2019-008.html\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Third Party Advisory\", \"VDB Entry\"]}, {\"url\": \"https://seclists.org/fulldisclosure/2019/Nov/20\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Mailing List\", \"Third Party Advisory\"]}, {\"url\": \"https://www.asterisk.org/downloads/security-advisories\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Vendor Advisory\"]}, {\"url\": \"https://www.cybersecurity-help.cz/vdb/SB2019112218?affChecked=1\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Third Party Advisory\"]}]",
"sourceIdentifier": "cve@mitre.org",
"vulnStatus": "Modified",
"weaknesses": "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-476\"}]}]"
},
"nvd": "{\"cve\":{\"id\":\"CVE-2019-18976\",\"sourceIdentifier\":\"cve@mitre.org\",\"published\":\"2019-11-22T17:15:11.833\",\"lastModified\":\"2024-11-21T04:33:55.320\",\"vulnStatus\":\"Modified\",\"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.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":7.5,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":3.6}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:N/C:N/I:N/A:P\",\"baseScore\":5.0,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":10.0,\"impactScore\":2.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-476\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"13.0.0\",\"versionEndIncluding\":\"13.29.1\",\"matchCriteriaId\":\"EE39000C-238B-45D9-A2C0-9907A7FB4C36\"},{\"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\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"DEECE5FC-CACF-4496-A3E7-164736409252\"}]}]}],\"references\":[{\"url\":\"http://downloads.asterisk.org/pub/security/AST-2019-008.html\",\"source\":\"cve@mitre.org\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://lists.debian.org/debian-lts-announce/2022/04/msg00001.html\",\"source\":\"cve@mitre.org\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"https://packetstormsecurity.com/files/155436/Asterisk-Project-Security-Advisory-AST-2019-008.html\",\"source\":\"cve@mitre.org\",\"tags\":[\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"https://seclists.org/fulldisclosure/2019/Nov/20\",\"source\":\"cve@mitre.org\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"https://www.asterisk.org/downloads/security-advisories\",\"source\":\"cve@mitre.org\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://www.cybersecurity-help.cz/vdb/SB2019112218?affChecked=1\",\"source\":\"cve@mitre.org\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"http://downloads.asterisk.org/pub/security/AST-2019-008.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://lists.debian.org/debian-lts-announce/2022/04/msg00001.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"https://packetstormsecurity.com/files/155436/Asterisk-Project-Security-Advisory-AST-2019-008.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\",\"VDB Entry\"]},{\"url\":\"https://seclists.org/fulldisclosure/2019/Nov/20\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"https://www.asterisk.org/downloads/security-advisories\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"https://www.cybersecurity-help.cz/vdb/SB2019112218?affChecked=1\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]}]}}"
}
}
Loading…
Loading…
Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Loading…
Loading…