2 lines
3.1 KiB
JSON
2 lines
3.1 KiB
JSON
{"affected":[{"affectedData":[{"product":"zeromq","vendor":"n/a","versions":[{"status":"affected","version":"zeromq 4.3.3"}]}],"source":"secalert@redhat.com"}],"configurations":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:a:zeromq:libzmq:*:*:*:*:*:*:*:*","matchCriteriaId":"BE196820-680A-400C-A492-22819F5CABB5","versionEndExcluding":"4.3.3","vulnerable":true}],"negate":false,"operator":"OR"}]}],"cveTags":[],"descriptions":[{"lang":"en","value":"An uncontrolled resource consumption (memory leak) flaw was found in the ZeroMQ client in versions before 4.3.3 in src/pipe.cpp. This issue causes a client that connects to multiple malicious or compromised servers to crash. The highest threat from this vulnerability is to system availability."},{"lang":"es","value":"Se encontró un fallo de consumo de recursos no controlado (pérdida de la memoria) en el cliente ZeroMQ en versiones anteriores a 4.3.3, en el archivo src/pipe.cpp. Este problema causa que un cliente que se conecta a múltiples servidores maliciosos o comprometidos se bloquee. La mayor amenaza de esta vulnerabilidad es la disponibilidad del sistema."}],"id":"CVE-2021-20234","lastModified":"2026-06-17T03:33:31.277","metrics":{"cvssMetricV2":[{"acInsufInfo":false,"baseSeverity":"MEDIUM","cvssData":{"accessComplexity":"MEDIUM","accessVector":"NETWORK","authentication":"NONE","availabilityImpact":"PARTIAL","baseScore":4.3,"confidentialityImpact":"NONE","integrityImpact":"NONE","vectorString":"AV:N/AC:M/Au:N/C:N/I:N/A:P","version":"2.0"},"exploitabilityScore":8.6,"impactScore":2.9,"obtainAllPrivilege":false,"obtainOtherPrivilege":false,"obtainUserPrivilege":false,"source":"nvd@nist.gov","type":"Primary","userInteractionRequired":true}],"cvssMetricV31":[{"cvssData":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","version":"3.1"},"exploitabilityScore":2.8,"impactScore":3.6,"source":"nvd@nist.gov","type":"Primary"}]},"published":"2021-04-01T14:15:13.123","references":[{"source":"secalert@redhat.com","tags":["Issue Tracking","Patch","Third Party Advisory"],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1921972"},{"source":"secalert@redhat.com","tags":["Exploit","Patch","Third Party Advisory"],"url":"https://github.com/zeromq/libzmq/security/advisories/GHSA-wfr2-29gj-5w87"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Issue Tracking","Patch","Third Party Advisory"],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1921972"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Exploit","Patch","Third Party Advisory"],"url":"https://github.com/zeromq/libzmq/security/advisories/GHSA-wfr2-29gj-5w87"}],"sourceIdentifier":"secalert@redhat.com","vulnStatus":"Modified","weaknesses":[{"description":[{"lang":"en","value":"CWE-400"}],"source":"secalert@redhat.com","type":"Secondary"},{"description":[{"lang":"en","value":"CWE-401"}],"source":"nvd@nist.gov","type":"Primary"}]}
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