Allocation of Resources Without Limits or Throttling Affecting rh-sso7-keycloak package, versions <0:9.0.15-1.redhat_00002.1.el8sso


Severity

Recommended
medium

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
1.13% (63rd percentile)

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  • Snyk IDSNYK-RHEL8-RHSSO7KEYCLOAK-3390844
  • published26 Mar 2023
  • disclosed14 Dec 2020

Introduced: 14 Dec 2020

CVE-2021-3637  (opens in a new tab)
CWE-770  (opens in a new tab)

How to fix?

Upgrade RHEL:8 rh-sso7-keycloak to version 0:9.0.15-1.redhat_00002.1.el8sso or higher.
This issue was patched in RHSA-2021:3529.

NVD Description

Note: Versions mentioned in the description apply only to the upstream rh-sso7-keycloak package and not the rh-sso7-keycloak package as distributed by RHEL. See How to fix? for RHEL:8 relevant fixed versions and status.

A flaw was found in keycloak-model-infinispan in keycloak versions before 14.0.0 where authenticationSessions map in RootAuthenticationSessionEntity grows boundlessly which could lead to a DoS attack.

CVSS Base Scores

version 3.1