Vulnerability · Published Sep 10, 2024 · Assigned by redhat
CVE-2023-6841Keycloak: amount of attributes per object is not limited and it may lead to dos
High 7.5
In plain English
A high-severity security flaw in keycloak. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 55% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.7%top 45.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Maven | org.keycloak:keycloak-core | 24.0.0 | GHSA-w97f-w3hq-36g2 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| keycloak | 0 – before 24.0.0 | |
| Red Hat | Red Hat build of Quarkus | see references |
| Red Hat | Red Hat Fuse 7 | see references |
| Red Hat | Red Hat Mobile Application Platform 4 | see references |
| Red Hat | Red Hat OpenShift Application Runtimes | see references |
| Red Hat | Red Hat Process Automation 7 | see references |
| Red Hat | Red Hat Single Sign-On 7 | see references |
| Red Hat | Red Hat support for Spring Boot | see references |
Weakness: CWE-231 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
References
- https://access.redhat.com/security/cve/CVE-2023-6841 vdb-entry, x_refsource_REDHAT
- RHBZ#2254714 issue-tracking, x_refsource_REDHAT