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CVE-2023-6291

Good to know:

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Date: January 26, 2024

A flaw was found in the redirect_uri validation logic in Keycloak. This issue may allow a bypass of otherwise explicitly allowed hosts. A successful attack may lead to an access token being stolen, making it possible for the attacker to impersonate other users.

Language: Java

Severity Score

Related Resources (12)

https://access.redhat.com/errata/RHSA-2023:7858
https://nvd.nist.gov/vuln/detail/CVE-2023-6291
https://access.redhat.com/errata/RHSA-2023:7857
https://bugzilla.redhat.com/show_bug.cgi?id=2251407
https://access.redhat.com/errata/RHSA-2023:7856
https://access.redhat.com/errata/RHSA-2023:7855
https://access.redhat.com/errata/RHSA-2023:7854
https://github.com/keycloak/keycloak/commit/1241bd291901667a13506d6fb123ba4344e618ee
https://access.redhat.com/errata/RHSA-2023:7861
https://access.redhat.com/security/cve/CVE-2023-6291
https://access.redhat.com/errata/RHSA-2023:7860
https://www.mend.io/vulnerability-database/CVE-2023-6291

Severity Score

Weakness Type (CWE)

Input Validation

CWE-20

URL Redirection to Untrusted Site ('Open Redirect')

CWE-601

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): CHANGED
Confidentiality (C): LOW
Integrity (I): LOW
Availability (A): LOW

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