{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2023-5632","assignerOrgId":"e51fbebd-6053-4e49-959f-1b94eeb69a2c","state":"PUBLISHED","assignerShortName":"eclipse","dateReserved":"2023-10-18T08:17:55.102Z","datePublished":"2023-10-18T08:34:34.788Z","dateUpdated":"2024-09-13T14:50:24.704Z"},"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Mosquitto","programFiles":["https://github.com/eclipse/mosquitto/blob/master/lib/packet_mosq.c"],"repo":"https://github.com/eclipse/mosquitto","vendor":"Eclipse","versions":[{"lessThanOrEqual":"2.0.5","status":"affected","version":"0","versionType":"custom"}]}],"credits":[{"lang":"en","type":"finder","user":"00000000-0000-4000-9000-000000000000","value":"Przemysław Zygmunt (acsoftware.pl)"}],"descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"<div>In Eclipse Mosquito before and including 2.0.5, establishing a connection to the mosquitto server without sending data causes the EPOLLOUT event to be added, which results excessive CPU consumption. This could be used by a malicious actor to perform denial of service type attack. This issue is fixed in 2.0.6<br></div>"}],"value":"In Eclipse Mosquito before and including 2.0.5, establishing a connection to the mosquitto server without sending data causes the EPOLLOUT event to be added, which results excessive CPU consumption. This could be used by a malicious actor to perform denial of service type attack. This issue is fixed in 2.0.6\n\n\n"}],"impacts":[{"capecId":"CAPEC-130","descriptions":[{"lang":"en","value":"CAPEC-130 Excessive Allocation"}]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-834","description":"CWE-834 Excessive Iteration","lang":"en","type":"CWE"}]}],"providerMetadata":{"orgId":"e51fbebd-6053-4e49-959f-1b94eeb69a2c","shortName":"eclipse","dateUpdated":"2023-10-18T08:34:34.788Z"},"references":[{"tags":["patch","issue-tracking"],"url":"https://github.com/eclipse/mosquitto/pull/2053"},{"tags":["patch"],"url":"https://github.com/eclipse/mosquitto/commit/18bad1ff32435e523d7507e9b2ce0010124a8f2d"}],"source":{"discovery":"UNKNOWN"},"title":"Unconditionally adding an event to the epoll causes excessive CPU consumption","x_generator":{"engine":"Vulnogram 0.1.0-dev"}},"adp":[{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-02T08:07:32.289Z"},"title":"CVE Program Container","references":[{"tags":["patch","issue-tracking","x_transferred"],"url":"https://github.com/eclipse/mosquitto/pull/2053"},{"tags":["patch","x_transferred"],"url":"https://github.com/eclipse/mosquitto/commit/18bad1ff32435e523d7507e9b2ce0010124a8f2d"}]},{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2024-09-13T14:50:16.055664Z","id":"CVE-2023-5632","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2024-09-13T14:50:24.704Z"}}]}}