cve-2022-42705
Vulnerability from cvelistv5
Published
2022-12-05 00:00
Modified
2024-08-03 13:10
Severity ?
EPSS score ?
Summary
A use-after-free in res_pjsip_pubsub.c in Sangoma Asterisk 16.28, 18.14, 19.6, and certified/18.9-cert2 may allow a remote authenticated attacker to crash Asterisk (denial of service) by performing activity on a subscription via a reliable transport at the same time that Asterisk is also performing activity on that subscription.
References
{ "containers": { "adp": [ { "providerMetadata": { "dateUpdated": "2024-08-03T13:10:41.376Z", "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE" }, "references": [ { "tags": [ "x_transferred" ], "url": "https://downloads.asterisk.org/pub/security/AST-2022-008.html" }, { "name": "[debian-lts-announce] 20230222 [SECURITY] [DLA 3335-1] asterisk security update", "tags": [ "mailing-list", "x_transferred" ], "url": "https://lists.debian.org/debian-lts-announce/2023/02/msg00029.html" }, { "name": "DSA-5358", "tags": [ "vendor-advisory", "x_transferred" ], "url": "https://www.debian.org/security/2023/dsa-5358" } ], "title": "CVE Program Container" } ], "cna": { "affected": [ { "product": "n/a", "vendor": "n/a", "versions": [ { "status": "affected", "version": "n/a" } ] } ], "descriptions": [ { "lang": "en", "value": "A use-after-free in res_pjsip_pubsub.c in Sangoma Asterisk 16.28, 18.14, 19.6, and certified/18.9-cert2 may allow a remote authenticated attacker to crash Asterisk (denial of service) by performing activity on a subscription via a reliable transport at the same time that Asterisk is also performing activity on that subscription." } ], "problemTypes": [ { "descriptions": [ { "description": "n/a", "lang": "en", "type": "text" } ] } ], "providerMetadata": { "dateUpdated": "2023-02-23T00:00:00", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre" }, "references": [ { "url": "https://downloads.asterisk.org/pub/security/AST-2022-008.html" }, { "name": "[debian-lts-announce] 20230222 [SECURITY] [DLA 3335-1] asterisk security update", "tags": [ "mailing-list" ], "url": "https://lists.debian.org/debian-lts-announce/2023/02/msg00029.html" }, { "name": "DSA-5358", "tags": [ "vendor-advisory" ], "url": "https://www.debian.org/security/2023/dsa-5358" } ] } }, "cveMetadata": { "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2022-42705", "datePublished": "2022-12-05T00:00:00", "dateReserved": "2022-10-10T00:00:00", "dateUpdated": "2024-08-03T13:10:41.376Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1", "vulnerability-lookup:meta": { "nvd": "{\"cve\":{\"id\":\"CVE-2022-42705\",\"sourceIdentifier\":\"cve@mitre.org\",\"published\":\"2022-12-05T21:15:10.177\",\"lastModified\":\"2024-11-21T07:25:11.360\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"A use-after-free in res_pjsip_pubsub.c in Sangoma Asterisk 16.28, 18.14, 19.6, and certified/18.9-cert2 may allow a remote authenticated attacker to crash Asterisk (denial of service) by performing activity on a subscription via a reliable transport at the same time that Asterisk is also performing activity on that subscription.\"},{\"lang\":\"es\",\"value\":\"Un use after free en res_pjsip_pubsub.c en Sangoma Asterisk 16.28, 18.14, 19.6 y certificado/18.9-cert2 puede permitir que un atacante remoto autenticado bloquee Asterisk (denegaci\u00f3n de servicio) al realizar actividad en una suscripci\u00f3n a trav\u00e9s de un transporte confiable en al mismo tiempo que Asterisk tambi\u00e9n realiza actividad en esa suscripci\u00f3n.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":6.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":2.8,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-416\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:sangoma:asterisk:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"16.0.0\",\"versionEndExcluding\":\"16.29.1\",\"matchCriteriaId\":\"3632620E-8A6D-4D65-BED9-80C0E7CEA8DD\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:sangoma:asterisk:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"18.14.0\",\"versionEndExcluding\":\"18.15.1\",\"matchCriteriaId\":\"667B21FC-79F4-47C6-A116-84D6A6CB34FA\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:sangoma:asterisk:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"19.6.0\",\"versionEndExcluding\":\"19.7.1\",\"matchCriteriaId\":\"A26F9A47-00F4-4A96-B679-E8D68E842E32\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:sangoma:asterisk:20.0.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"ADB799D3-B6BE-468C-8D3E-B087ED287B24\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:sangoma:certified_asterisk:18.9:cert2:*:*:*:*:*:*\",\"matchCriteriaId\":\"892BAE5D-A64E-4FE0-9A99-8C07F342A042\"}]}]}],\"references\":[{\"url\":\"https://downloads.asterisk.org/pub/security/AST-2022-008.html\",\"source\":\"cve@mitre.org\",\"tags\":[\"Patch\",\"Vendor Advisory\"]},{\"url\":\"https://lists.debian.org/debian-lts-announce/2023/02/msg00029.html\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://www.debian.org/security/2023/dsa-5358\",\"source\":\"cve@mitre.org\"},{\"url\":\"https://downloads.asterisk.org/pub/security/AST-2022-008.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\",\"Vendor Advisory\"]},{\"url\":\"https://lists.debian.org/debian-lts-announce/2023/02/msg00029.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://www.debian.org/security/2023/dsa-5358\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"}]}}" } }
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Sightings
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Nomenclature
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- Confirmed: The vulnerability is confirmed from an analyst perspective.
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