CVEvulnerability

CVE-2019-10157

5.5 MEDIUM Published 2019-06-12 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2019-06-12
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.0 ([email protected])
4.7 MEDIUM — CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS 3.0 ([email protected])
5.5 MEDIUM — CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0 ([email protected])
2.1 LOW — AV:L/AC:L/Au:N/C:N/I:N/A:P
Weaknesses
CWE-287, CWE-345

Description

It was found that Keycloak's Node.js adapter before version 4.8.3 did not properly verify the web token received from the server in its backchannel logout . An attacker with local access could use this to construct a malicious web token setting an NBF parameter that could prevent user access indefinitely.

Affected configurations

• redhat keycloak (< 4.8.3) • redhat single sign-on (< 7.3.2)

Related

Weakness · CWE (2)

  • CWE-287 Improper Authentication weakness
  • CWE-345 Insufficient Verification of Data Authenticity weakness

References