CVE-2022-42705

{"id": "CVE-2022-42705", "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 2.8}]}, "published": "2022-12-05T21:15:10.177", "references": [{"url": "https://downloads.asterisk.org/pub/security/AST-2022-008.html", "tags": ["Patch", "Vendor Advisory"], "source": "cve@mitre.org"}, {"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"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-416"}]}], "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."}], "lastModified": "2023-02-24T00:15:12.057", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:sangoma:asterisk:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "3632620E-8A6D-4D65-BED9-80C0E7CEA8DD", "versionEndExcluding": "16.29.1", "versionStartIncluding": "16.0.0"}, {"criteria": "cpe:2.3:a:sangoma:asterisk:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "667B21FC-79F4-47C6-A116-84D6A6CB34FA", "versionEndExcluding": "18.15.1", "versionStartIncluding": "18.14.0"}, {"criteria": "cpe:2.3:a:sangoma:asterisk:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A26F9A47-00F4-4A96-B679-E8D68E842E32", "versionEndExcluding": "19.7.1", "versionStartIncluding": "19.6.0"}, {"criteria": "cpe:2.3:a:sangoma:asterisk:20.0.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "ADB799D3-B6BE-468C-8D3E-B087ED287B24"}, {"criteria": "cpe:2.3:a:sangoma:certified_asterisk:18.9:cert2:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "892BAE5D-A64E-4FE0-9A99-8C07F342A042"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}