CVE-2023-6841: keycloak — Fix

Description

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.

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CVSS v3.1 Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness Type (CWE)

CWE-231 CWE-231

Affected Products

Vendor	Product	Versions
redhat	keycloak	All
redhat	single_sign-on	All

References

Advisories & Patches

https://access.redhat.com/security/cve/CVE-2023-6841 https://bugzilla.redhat.com/show_bug.cgi?id=2254714

Frequently Asked Questions

What is 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. It has a CVSS v3.1 base score of 7.5 (HIGH).

How severe is CVE-2023-6841? +

CVE-2023-6841 has a CVSS v3.1 score of 7.5 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2023-6841? +

CVE-2023-6841 affects products from redhat, specifically: keycloak, single_sign-on. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2023-6841? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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