Detections
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Keycloak < 24.0.0 DoS (CVE-2023-6841)

high Nessus Plugin ID 207386

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Synopsis

The remote host is affected by multiple vulnerabilities.

Description

A denial of service vulnerability was found in Keycloak < 24.0.0 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.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Upgrade Keycloak to 24.0.0 or later.

See Also

https://github.com/keycloak/keycloak/issues/32837

Plugin Details

Severity: High

ID: 207386

File Name: keycloak_CVE-2023-6841.nasl

Version: 1.5

Type: local

Agent: unix

Family: Misc.

Published: 9/18/2024

Updated: 12/6/2024

Configuration: Enable thorough checks

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C

CVSS Score Source: CVE-2023-6841

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:keycloak:keycloak

Required KB Items: Host/local_checks_enabled, Host/uname

Exploit Ease: No known exploits are available

Patch Publication Date: 9/10/2024

Vulnerability Publication Date: 9/10/2024

Reference Information

CVE: CVE-2023-6841

IAVB: 2024-B-0135-S