{"id":"CVE-2024-42365","state":"PUBLISHED","title":"Asterisk allows `Write=originate` as sufficient permissions for code execution / `System()` dialplan","description":"Asterisk is an open source private branch exchange (PBX) and telephony toolkit. Prior to asterisk versions 18.24.2, 20.9.2, and 21.4.2 and certified-asterisk versions 18.9-cert11 and 20.7-cert2, an AMI user with `write=originate` may change all configuration files in the `/etc/asterisk/` directory. This occurs because they are able to curl remote files and write them to disk, but are also able to append to existing files using the `FILE` function inside the `SET` application. This issue may result in privilege escalation, remote code execution and/or blind server-side request forgery with arbitrary protocol. Asterisk versions 18.24.2, 20.9.2, and 21.4.2 and certified-asterisk versions 18.9-cert11 and 20.7-cert2 contain a fix for this issue.","publishedAt":"2024-08-08T16:29:07.436Z","updatedAt":"2025-11-03T22:04:48.935Z","severity":{"score":7.4,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L","source":"GitHub_M"},"assigner":"GitHub_M","products":["asterisk asterisk"],"affected":[{"vendor":"asterisk","product":"asterisk","versions":[{"version":"< 18.24.2","status":"affected"},{"version":">= 19.0.0, < 20.9.2","status":"affected"},{"version":">= 21.0.0, < 21.4.2","status":"affected"},{"version":"< 18.9-cert11","status":"affected"},{"version":">= 19.0, < 20.7-cert2","status":"affected"}]}],"references":["https://github.com/asterisk/asterisk/security/advisories/GHSA-c4cg-9275-6w44","https://github.com/asterisk/asterisk/commit/42a2f4ccfa2c7062a15063e765916b3332e34cc4","https://github.com/asterisk/asterisk/commit/7a0090325bfa9d778a39ae5f7d0a98109e4651c8","https://github.com/asterisk/asterisk/commit/b4063bf756272254b160b6d1bd6e9a3f8e16cc71","https://github.com/asterisk/asterisk/commit/bbe68db10ab8a80c29db383e4dfe14f6eafaf993","https://github.com/asterisk/asterisk/commit/faddd99f2b9408b524e5eb8a01589fe1fa282df2","https://github.com/asterisk/asterisk/blob/14367caaf7241df1eceea7c45c5b261989c2c6db/main/manager.c#L6426","https://github.com/asterisk/asterisk/blob/7d28165cb1b2d02d66e8693bd3fe23ee72fc55d8/main/manager.c#L6426","https://lists.debian.org/debian-lts-announce/2024/10/msg00016.html"],"weaknesses":["CWE-267","CWE-1220"],"ingestedAt":"2026-10-29T20:07:47.831Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2024/42xxx/CVE-2024-42365.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2024-42365","state":"PUBLISHED","datePublished":"2024-08-08T16:29:07.436Z","dateUpdated":"2025-11-03T22:04:48.935Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2024-07-30T14:01:33.923Z"},"containers":{"cna":{"title":"Asterisk allows `Write=originate` as sufficient permissions for code execution / `System()` dialplan","descriptions":[{"lang":"en","value":"Asterisk is an open source private branch exchange (PBX) and telephony toolkit. Prior to asterisk versions 18.24.2, 20.9.2, and 21.4.2 and certified-asterisk versions 18.9-cert11 and 20.7-cert2, an AMI user with `write=originate` may change all configuration files in the `/etc/asterisk/` directory. This occurs because they are able to curl remote files and write them to disk, but are also able to append to existing files using the `FILE` function inside the `SET` application. This issue may result in privilege escalation, remote code execution and/or blind server-side request forgery with arbitrary protocol. Asterisk versions 18.24.2, 20.9.2, and 21.4.2 and certified-asterisk versions 18.9-cert11 and 20.7-cert2 contain a fix for this issue."}],"affected":[{"vendor":"asterisk","product":"asterisk","versions":[{"version":"< 18.24.2","status":"affected"},{"version":">= 19.0.0, < 20.9.2","status":"affected"},{"version":">= 21.0.0, < 21.4.2","status":"affected"},{"version":"< 18.9-cert11","status":"affected"},{"version":">= 19.0, < 20.7-cert2","status":"affected"}]}],"references":[{"url":"https://github.com/asterisk/asterisk/security/advisories/GHSA-c4cg-9275-6w44","name":"https://github.com/asterisk/asterisk/security/advisories/GHSA-c4cg-9275-6w44","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/asterisk/asterisk/commit/42a2f4ccfa2c7062a15063e765916b3332e34cc4","name":"https://github.com/asterisk/asterisk/commit/42a2f4ccfa2c7062a15063e765916b3332e34cc4","tags":["x_refsource_MISC"]},{"url":"https://github.com/asterisk/asterisk/commit/7a0090325bfa9d778a39ae5f7d0a98109e4651c8","name":"https://github.com/asterisk/asterisk/commit/7a0090325bfa9d778a39ae5f7d0a98109e4651c8","tags":["x_refsource_MISC"]},{"url":"https://github.com/asterisk/asterisk/commit/b4063bf756272254b160b6d1bd6e9a3f8e16cc71","name":"https://github.com/asterisk/asterisk/commit/b4063bf756272254b160b6d1bd6e9a3f8e16cc71","tags":["x_refsource_MISC"]},{"url":"https://github.com/asterisk/asterisk/commit/bbe68db10ab8a80c29db383e4dfe14f6eafaf993","name":"https://github.com/asterisk/asterisk/commit/bbe68db10ab8a80c29db383e4dfe14f6eafaf993","tags":["x_refsource_MISC"]},{"url":"https://github.com/asterisk/asterisk/commit/faddd99f2b9408b524e5eb8a01589fe1fa282df2","name":"https://github.com/asterisk/asterisk/commit/faddd99f2b9408b524e5eb8a01589fe1fa282df2","tags":["x_refsource_MISC"]},{"url":"https://github.com/asterisk/asterisk/blob/14367caaf7241df1eceea7c45c5b261989c2c6db/main/manager.c#L6426","name":"https://github.com/asterisk/asterisk/blob/14367caaf7241df1eceea7c45c5b261989c2c6db/main/manager.c#L6426","tags":["x_refsource_MISC"]},{"url":"https://github.com/asterisk/asterisk/blob/7d28165cb1b2d02d66e8693bd3fe23ee72fc55d8/main/manager.c#L6426","name":"https://github.com/asterisk/asterisk/blob/7d28165cb1b2d02d66e8693bd3fe23ee72fc55d8/main/manager.c#L6426","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":7.4,"baseSeverity":"HIGH","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-267","lang":"en","description":"CWE-267: Privilege Defined With Unsafe Actions","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-1220","lang":"en","description":"CWE-1220: Insufficient Granularity of Access Control","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2024-08-08T16:29:07.436Z"},"source":{"advisory":"GHSA-c4cg-9275-6w44","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","affected":[{"vendor":"asterisk","product":"certified_asterisk","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThan":"18.9-cert11","versionType":"custom"},{"version":"19.0","status":"affected","lessThan":"20.7-cert2","versionType":"custom"}],"cpes":["cpe:2.3:a:asterisk:certified_asterisk:*:*:*:*:*:*:*:*"]},{"vendor":"asterisk","product":"asterisk","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThan":"18.24.2","versionType":"custom"},{"version":"19.0.0","status":"affected","lessThan":"20.9.2","versionType":"custom"},{"version":"21.0.0","status":"affected","lessThan":"21.4.2","versionType":"custom"}],"cpes":["cpe:2.3:a:asterisk:asterisk:*:*:*:*:*:*:*:*"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2024-08-08T16:38:45.608389Z","id":"CVE-2024-42365","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2024-08-12T15:49:00.190Z"}},{"title":"CVE Program Container","references":[{"url":"https://lists.debian.org/debian-lts-announce/2024/10/msg00016.html"}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2025-11-03T22:04:48.935Z"}}]}}}