Skip to content

Keycloak vulnerable to path traversal via double URL encoding

Critical severity GitHub Reviewed Published Dec 13, 2022 in keycloak/keycloak • Updated Jan 25, 2023

Package

maven org.keycloak:keycloak-parent (Maven)

Affected versions

<= 20.0.0

Patched versions

20.0.2

Description

Keycloak does not properly validate URLs included in a redirect. An attacker could construct a malicious request to bypass validation and access other URLs and potentially sensitive information within the domain, or possibly conduct further attacks.

References

@abstractj abstractj published to keycloak/keycloak Dec 13, 2022
Published to the GitHub Advisory Database Dec 13, 2022
Reviewed Dec 13, 2022
Published by the National Vulnerability Database Jan 13, 2023
Last updated Jan 25, 2023

Severity

Critical
9.1
/ 10

CVSS base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
None
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Weaknesses

CVE ID

CVE-2022-3782

GHSA ID

GHSA-g8q8-fggx-9r3q

Source code

Checking history
See something to contribute? Suggest improvements for this vulnerability.