CVE-2022-3782 — CRITICAL (9.1)

Vulnerability Description

keycloak: path traversal via double URL encoding. A flaw was found in Keycloak, where it does not properly validate URLs included in a redirect. An attacker can use this flaw to construct a malicious request to bypass validation and access other URLs and potentially sensitive information within the domain or possibly conduct further attacks. This flaw affects any client that utilizes a wildcard in the Valid Redirect URIs field.

CVSS Score

9.1

CRITICAL

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

NONE

Affected Products

Vendor	Product	Versions
Redhat	Keycloak	20.0.2

Related Weaknesses (CWE)

CWE-22

References

https://access.redhat.com/security/cve/CVE-2022-3782Vendor Advisory
https://access.redhat.com/security/cve/CVE-2022-3782Vendor Advisory

FAQ

What is CVE-2022-3782?

CVE-2022-3782 is a vulnerability with a CVSS score of 9.1 (CRITICAL). keycloak: path traversal via double URL encoding. A flaw was found in Keycloak, where it does not properly validate URLs included in a redirect. An attacker can use this flaw to construct a malicious ...

How severe is CVE-2022-3782?

CVE-2022-3782 has been rated CRITICAL with a CVSS base score of 9.1/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2022-3782?

Check the references section above for vendor advisories and patch information. Affected products include: Redhat Keycloak.