CVE-2023-6841

A denial of service vulnerability was found in keycloak where the amount of attributes per object is not limited,an attacker by sending repeated HTTP requests could cause a resource exhaustion when the application send back rows with long attribute values.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://access.redhat.com/security/cve/CVE-2023-6841	Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2254714	Issue Tracking Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:redhat:keycloak:-:::::::*
	cpe:2.3:a:redhat:single_sign-on:7.0:::::::*

History

23 Sep 2024, 15:19

Type	Values Removed	Values Added
Summary		(es) Se encontró una vulnerabilidad de denegación de servicio en keycloak, donde la cantidad de atributos por objeto no está limitada; un atacante al enviar solicitudes HTTP repetidas podría causar un agotamiento de recursos cuando la aplicación envía filas con valores de atributos largos.
CVSS	v2 : ~~unknown~~ v3 : ~~6.5~~	v2 : unknown v3 : 7.5
CWE		NVD-CWE-noinfo
CPE		cpe:2.3:a:redhat:single_sign-on:7.0:::::::* cpe:2.3:a:redhat:keycloak:-:::::::*
First Time		Redhat Redhat keycloak Redhat single Sign-on
References	~~() https://access.redhat.com/security/cve/CVE-2023-6841 -~~	() https://access.redhat.com/security/cve/CVE-2023-6841 - Vendor Advisory
References	~~() https://bugzilla.redhat.com/show_bug.cgi?id=2254714 -~~	() https://bugzilla.redhat.com/show_bug.cgi?id=2254714 - Issue Tracking, Vendor Advisory

10 Sep 2024, 17:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2024-09-10 17:15

Updated : 2024-10-01 14:15

NVD link : CVE-2023-6841

Mitre link : CVE-2023-6841

CVE.ORG link : CVE-2023-6841

JSON object : View

Products Affected

redhat

single_sign-on
keycloak

CWE

NVD-CWE-noinfo CWE-231

Improper Handling of Extra Values

{"id": "CVE-2023-6841", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "secalert@redhat.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 3.9}, {"type": "Secondary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 3.9}]}, "published": "2024-09-10T17:15:15.170", "references": [{"url": "https://access.redhat.com/security/cve/CVE-2023-6841", "tags": ["Vendor Advisory"], "source": "secalert@redhat.com"}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2254714", "tags": ["Issue Tracking", "Vendor Advisory"], "source": "secalert@redhat.com"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}, {"type": "Secondary", "source": "secalert@redhat.com", "description": [{"lang": "en", "value": "CWE-231"}]}], "descriptions": [{"lang": "en", "value": "A denial of service vulnerability was found in keycloak where the amount of attributes per object is not limited,an attacker by sending repeated HTTP requests could cause a resource exhaustion when the application send back rows with long attribute values."}, {"lang": "es", "value": "Se encontr\u00f3 una vulnerabilidad de denegaci\u00f3n de servicio en keycloak, donde la cantidad de atributos por objeto no est\u00e1 limitada; un atacante al enviar solicitudes HTTP repetidas podr\u00eda causar un agotamiento de recursos cuando la aplicaci\u00f3n env\u00eda filas con valores de atributos largos."}], "lastModified": "2024-10-01T14:15:05.207", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:redhat:keycloak:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "6E0DE4E1-5D8D-40F3-8AC8-C7F736966158"}, {"criteria": "cpe:2.3:a:redhat:single_sign-on:7.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "9EFEC7CA-8DDA-48A6-A7B6-1F1D14792890"}], "operator": "OR"}]}], "sourceIdentifier": "secalert@redhat.com"}