CVE-2021-22144

In Elasticsearch versions before 7.13.3 and 6.8.17 an uncontrolled recursion vulnerability that could lead to a denial of service attack was identified in the Elasticsearch Grok parser. A user with the ability to submit arbitrary queries to Elasticsearch could create a malicious Grok query that will crash the Elasticsearch node.

CVSS v3 6.5 MEDIUM
CVSS v2.0 4.0 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

4.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:S/C:N/I:N/A:P

Exploitability : 8.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://discuss.elastic.co/t/elasticsearch-7-13-3-and-6-8-17-security-update/278100	Release Notes Vendor Advisory
https://security.netapp.com/advisory/ntap-20210827-0006/	Third Party Advisory
https://www.oracle.com/security-alerts/cpuapr2022.html	Patch Third Party Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:elastic:elasticsearch::::::::
	cpe:2.3:a:elastic:elasticsearch::::::::

Configuration 2 (hide)

cpe:2.3:a:oracle:communications_cloud_native_core_automated_test_suite:1.8.0:*:*:*:*:*:*:*

History

No history.

Information

Published : 2021-07-26 12:15

Updated : 2024-02-28 18:28

NVD link : CVE-2021-22144

Mitre link : CVE-2021-22144

CVE.ORG link : CVE-2021-22144

JSON object : View

Products Affected

oracle

communications_cloud_native_core_automated_test_suite

elastic

elasticsearch

CWE

CWE-674

Uncontrolled Recursion

{"id": "CVE-2021-22144", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 4.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P", "authentication": "SINGLE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 2.8}]}, "published": "2021-07-26T12:15:08.547", "references": [{"url": "https://discuss.elastic.co/t/elasticsearch-7-13-3-and-6-8-17-security-update/278100", "tags": ["Release Notes", "Vendor Advisory"], "source": "bressers@elastic.co"}, {"url": "https://security.netapp.com/advisory/ntap-20210827-0006/", "tags": ["Third Party Advisory"], "source": "bressers@elastic.co"}, {"url": "https://www.oracle.com/security-alerts/cpuapr2022.html", "tags": ["Patch", "Third Party Advisory"], "source": "bressers@elastic.co"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-674"}]}], "descriptions": [{"lang": "en", "value": "In Elasticsearch versions before 7.13.3 and 6.8.17 an uncontrolled recursion vulnerability that could lead to a denial of service attack was identified in the Elasticsearch Grok parser. A user with the ability to submit arbitrary queries to Elasticsearch could create a malicious Grok query that will crash the Elasticsearch node."}, {"lang": "es", "value": "En Elasticsearch versiones anteriores a 7.13.3 y la 6.8.17, se ha identificado una vulnerabilidad de recursi\u00f3n no controlada que pod\u00eda conllevar a un ataque de denegaci\u00f3n de servicio en el analizador Grok de Elasticsearch. Un usuario con la capacidad de enviar consultas arbitrarias a Elasticsearch podr\u00eda crear una consulta Grok maliciosa que bloquear\u00eda el nodo de Elasticsearch"}], "lastModified": "2022-05-10T18:02:50.073", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:elastic:elasticsearch:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "9FE3115F-9BC0-44F8-A0EC-0D42CCDA30AB", "versionEndExcluding": "6.8.17"}, {"criteria": "cpe:2.3:a:elastic:elasticsearch:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "68D4C16A-16D0-46C7-9133-AD04AED5EFE1", "versionEndExcluding": "7.13.3", "versionStartIncluding": "7.0.0"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:oracle:communications_cloud_native_core_automated_test_suite:1.8.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "98FB24DB-AF91-48D0-9CA5-C8250D183FD5"}], "operator": "OR"}]}], "sourceIdentifier": "bressers@elastic.co"}