mirror of
https://github.com/fkie-cad/nvd-json-data-feeds.git
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142 lines
4.3 KiB
JSON
142 lines
4.3 KiB
JSON
{
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"id": "CVE-2021-20237",
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"sourceIdentifier": "secalert@redhat.com",
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"published": "2021-05-28T11:15:07.970",
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"lastModified": "2024-11-21T05:46:11.477",
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"vulnStatus": "Modified",
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"cveTags": [],
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"descriptions": [
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{
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"lang": "en",
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"value": "An uncontrolled resource consumption (memory leak) flaw was found in ZeroMQ's src/xpub.cpp in versions before 4.3.3. This flaw allows a remote unauthenticated attacker to send crafted PUB messages that consume excessive memory if the CURVE/ZAP authentication is disabled on the server, causing a denial of service. The highest threat from this vulnerability is to system availability."
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},
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{
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"lang": "es",
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"value": "Se encontr\u00f3 un fallo de consumo de recursos incontrolado (filtrado de memoria) en el archivo src/xpub.cpp de ZeroMQ en versiones anteriores a 4.3.3. Este fallo permite a un atacante remoto no autenticado enviar mensajes PUB dise\u00f1ados que consumen memoria excesiva si la autenticaci\u00f3n CURVE/ZAP est\u00e1 deshabilitada en el servidor, causando una denegaci\u00f3n de servicio. La mayor amenaza de esta vulnerabilidad es la disponibilidad del sistema"
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}
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],
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"metrics": {
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"cvssMetricV31": [
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{
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"source": "nvd@nist.gov",
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"type": "Primary",
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"cvssData": {
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"version": "3.1",
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
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"baseScore": 7.5,
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"baseSeverity": "HIGH",
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"attackVector": "NETWORK",
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"attackComplexity": "LOW",
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"privilegesRequired": "NONE",
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"userInteraction": "NONE",
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"scope": "UNCHANGED",
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"confidentialityImpact": "NONE",
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"integrityImpact": "NONE",
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"availabilityImpact": "HIGH"
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},
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"exploitabilityScore": 3.9,
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"impactScore": 3.6
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}
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],
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"cvssMetricV2": [
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{
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"source": "nvd@nist.gov",
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"type": "Primary",
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"cvssData": {
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"version": "2.0",
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"vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P",
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"baseScore": 4.3,
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"accessVector": "NETWORK",
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"accessComplexity": "MEDIUM",
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"authentication": "NONE",
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"confidentialityImpact": "NONE",
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"integrityImpact": "NONE",
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"availabilityImpact": "PARTIAL"
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},
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"baseSeverity": "MEDIUM",
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"exploitabilityScore": 8.6,
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"impactScore": 2.9,
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"acInsufInfo": false,
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"obtainAllPrivilege": false,
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"obtainUserPrivilege": false,
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"obtainOtherPrivilege": false,
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"userInteractionRequired": false
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}
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]
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},
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"weaknesses": [
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{
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"source": "secalert@redhat.com",
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"type": "Secondary",
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"description": [
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{
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"lang": "en",
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"value": "CWE-400"
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}
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]
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},
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{
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"source": "nvd@nist.gov",
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"type": "Primary",
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"description": [
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{
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"lang": "en",
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"value": "CWE-401"
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}
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]
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}
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],
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"configurations": [
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{
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"nodes": [
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{
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"operator": "OR",
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"negate": false,
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"cpeMatch": [
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:a:zeromq:libzmq:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "4.2.0",
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"versionEndExcluding": "4.3.3",
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"matchCriteriaId": "C1384189-AC6C-4847-A3BF-FB7A3A826F75"
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}
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]
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}
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]
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}
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],
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"references": [
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{
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"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1921989",
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"source": "secalert@redhat.com",
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"tags": [
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"Issue Tracking",
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"Third Party Advisory"
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]
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},
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{
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"url": "https://github.com/zeromq/libzmq/security/advisories/GHSA-4p5v-h92w-6wxw",
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"source": "secalert@redhat.com",
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"tags": [
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"Patch",
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"Third Party Advisory"
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]
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},
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{
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"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1921989",
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"source": "af854a3a-2127-422b-91ae-364da2661108",
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"tags": [
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"Issue Tracking",
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"Third Party Advisory"
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]
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},
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{
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"url": "https://github.com/zeromq/libzmq/security/advisories/GHSA-4p5v-h92w-6wxw",
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"source": "af854a3a-2127-422b-91ae-364da2661108",
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"tags": [
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"Patch",
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"Third Party Advisory"
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]
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}
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]
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} |