CVE-2021-42391

Divide-by-zero in Clickhouse's Gorilla compression codec when parsing a malicious query. The first byte of the compressed buffer is used in a modulo operation without being checked for 0.

CVSS v3 6.5 MEDIUM
CVSS v2.0 5.0 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

5.0^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://jfrog.com/blog/7-rce-and-dos-vulnerabilities-found-in-clickhouse-dbms	Exploit Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:yandex:clickhouse:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2022-03-14 23:15

Updated : 2024-02-28 19:09

NVD link : CVE-2021-42391

Mitre link : CVE-2021-42391

CVE.ORG link : CVE-2021-42391

JSON object : View

Products Affected

yandex

clickhouse

CWE

CWE-369

Divide By Zero

{"id": "CVE-2021-42391", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 5.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "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": "2022-03-14T23:15:08.113", "references": [{"url": "https://jfrog.com/blog/7-rce-and-dos-vulnerabilities-found-in-clickhouse-dbms", "tags": ["Exploit", "Third Party Advisory"], "source": "reefs@jfrog.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-369"}]}, {"type": "Secondary", "source": "reefs@jfrog.com", "description": [{"lang": "en", "value": "CWE-369"}]}], "descriptions": [{"lang": "en", "value": "Divide-by-zero in Clickhouse's Gorilla compression codec when parsing a malicious query. The first byte of the compressed buffer is used in a modulo operation without being checked for 0."}, {"lang": "es", "value": "Una divisi\u00f3n por cero en el c\u00f3dec de compresi\u00f3n Gorilla de Clickhouse cuando es analizada una consulta maliciosa. El primer byte del b\u00fafer comprimido es usado en una operaci\u00f3n de m\u00f3dulo sin que sea comprobado el 0"}], "lastModified": "2022-03-22T14:58:35.043", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:yandex:clickhouse:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "2C2ADE3F-47F5-4E18-8FC7-4194647F47C7", "versionEndExcluding": "21.10.2.15"}], "operator": "OR"}]}], "sourceIdentifier": "reefs@jfrog.com"}