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Vulnerability · Published Jan 26, 2024 · Assigned by redhat

CVE-2023-6291Keycloak: redirect_uri validation bypass

High 7.1

In plain English

A high-severity open redirect in Migration Toolkit for Applications 6 from Red Hat. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 61% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)7.1High
Exploit odds (30 days)0.9%top 38.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Mavenorg.keycloak:keycloak-services23.0.3GHSA-mpwq-j3xf-7m5w

Affected products (as reported)

VendorProductVersions
Red Hat Red Hat build of Keycloak 22 see references
Red Hat Red Hat build of Keycloak 22 see references
Red Hat Red Hat build of Keycloak 22 see references
Red Hat Red Hat build of Keycloak 22.0.7 see references
Red Hat Red Hat Single Sign-On 7 see references
Red Hat Red Hat Single Sign-On 7.6 for RHEL 7 see references
Red Hat Red Hat Single Sign-On 7.6 for RHEL 7 see references
Red Hat Red Hat Single Sign-On 7.6 for RHEL 8 see references
Red Hat Red Hat Single Sign-On 7.6 for RHEL 8 see references
Red Hat Red Hat Single Sign-On 7.6 for RHEL 9 see references
Red Hat Red Hat Single Sign-On 7.6 for RHEL 9 see references
Red Hat RHEL-8 based Middleware Containers see references
Red Hat RHEL-8 based Middleware Containers see references
Red Hat RHEL-8 based Middleware Containers see references
Red Hat Single Sign-On 7.6.6 see references
Red Hat Migration Toolkit for Applications 6 see references
Red Hat Migration Toolkit for Applications 7 see references
Red Hat OpenShift Serverless see references
Red Hat Red Hat Data Grid 8 see references
Red Hat Red Hat Decision Manager 7 see references
Red Hat Red Hat Fuse 7 see references
Red Hat Red Hat JBoss Data Grid 7 see references
Red Hat Red Hat JBoss Enterprise Application Platform 6 see references
Red Hat Red Hat Process Automation 7 see references

Weakness: CWE-601 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

References