{"api_version":"1","generated_at":"2026-04-23T03:27:01+00:00","cve":"CVE-2022-42705","urls":{"html":"https://cve.report/CVE-2022-42705","api":"https://cve.report/api/cve/CVE-2022-42705.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2022-42705","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2022-42705"},"summary":{"title":"CVE-2022-42705","description":"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.","state":"PUBLIC","assigner":"cve@mitre.org","published_at":"2022-12-05 21:15:00","updated_at":"2023-02-24 00:15:00"},"problem_types":["CWE-416"],"metrics":[],"references":[{"url":"https://www.debian.org/security/2023/dsa-5358","name":"DSA-5358","refsource":"DEBIAN","tags":[],"title":"Debian -- Security Information -- DSA-5358-1 asterisk","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://lists.debian.org/debian-lts-announce/2023/02/msg00029.html","name":"[debian-lts-announce] 20230222 [SECURITY] [DLA 3335-1] asterisk security update","refsource":"MLIST","tags":[],"title":"[SECURITY] [DLA 3335-1] asterisk security update","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://downloads.asterisk.org/pub/security/AST-2022-008.html","name":"https://downloads.asterisk.org/pub/security/AST-2022-008.html","refsource":"MISC","tags":[],"title":"AST-2022-008","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://www.cve.org/CVERecord?id=CVE-2022-42705","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-42705","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2022","cve_id":"42705","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"sangoma","cpe5":"asterisk","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2022","cve_id":"42705","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"sangoma","cpe5":"asterisk","cpe6":"20.0.0","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2022","cve_id":"42705","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"sangoma","cpe5":"certified_asterisk","cpe6":"18.9","cpe7":"cert2","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[{"cve":"CVE-2022-42705","qid":"181602","title":"Debian Security Update for asterisk (DLA 3335-1)"},{"cve":"CVE-2022-42705","qid":"181679","title":"Debian Security Update for asterisk (DSA 5358-1)"},{"cve":"CVE-2022-42705","qid":"502709","title":"Alpine Linux Security Update for asterisk"},{"cve":"CVE-2022-42705","qid":"510668","title":"Alpine Linux Security Update for asterisk"},{"cve":"CVE-2022-42705","qid":"691046","title":"Free Berkeley Software Distribution (FreeBSD) Security Update for sterisk (8dd438ed-a338-11ed-b48b-589cfc0f81b0)"}]},"source_records":{"cve_program":{"CVE_data_meta":{"ASSIGNER":"cve@mitre.org","ID":"CVE-2022-42705","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":"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."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"refsource":"MISC","name":"https://downloads.asterisk.org/pub/security/AST-2022-008.html","url":"https://downloads.asterisk.org/pub/security/AST-2022-008.html"},{"refsource":"MLIST","name":"[debian-lts-announce] 20230222 [SECURITY] [DLA 3335-1] asterisk security update","url":"https://lists.debian.org/debian-lts-announce/2023/02/msg00029.html"},{"refsource":"DEBIAN","name":"DSA-5358","url":"https://www.debian.org/security/2023/dsa-5358"}]}},"nvd":{"publishedDate":"2022-12-05 21:15:00","lastModifiedDate":"2023-02-24 00:15:00","problem_types":["CWE-416"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH","baseScore":6.5,"baseSeverity":"MEDIUM"},"exploitabilityScore":2.8,"impactScore":3.6}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:sangoma:certified_asterisk:18.9:cert2:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:sangoma:asterisk:*:*:*:*:*:*:*:*","versionStartIncluding":"19.6.0","versionEndExcluding":"19.7.1","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:sangoma:asterisk:*:*:*:*:*:*:*:*","versionStartIncluding":"18.14.0","versionEndExcluding":"18.15.1","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:sangoma:asterisk:*:*:*:*:*:*:*:*","versionStartIncluding":"16.0.0","versionEndExcluding":"16.29.1","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:sangoma:asterisk:20.0.0:*:*:*:*:*:*:*","cpe_name":[]}]}]}},"legacy_mitre":{"record":null,"notes":[]}}}