CVE-2023-6291
HIGHCVSS 7.1/10EPSS 0.95%
Last modified
CVE-2023-6291 is a high-severity vulnerability rated 7.1/10 on the CVSS scale. A flaw was found in the redirect_uri validation logic in Keycloak. This issue may allow a bypass of otherwise explicitly allowed hosts. EPSS estimates a 0.95% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Redhat | Keycloak | < 22.0.7 |
| Redhat | Single Sign-On | All versions |
| Redhat | Openshift Container Platform | 4.11 |
| Redhat | Openshift Container Platform | 4.12 |
| Redhat | Openshift Container Platform For Ibm Z | 4.9 |
| Redhat | Openshift Container Platform For Ibm Z | 4.10 |
| Redhat | Openshift Container Platform For Linuxone | 4.9 |
| Redhat | Openshift Container Platform For Linuxone | 4.10 |
| Redhat | Openshift Container Platform For Power | 4.9 |
| Redhat | Openshift Container Platform For Power | 4.10 |
| Redhat | Single Sign-On | 7.6 |
| Redhat | Migration Toolkit For Applications | 6.0 |
| Redhat | Migration Toolkit For Applications | 7.0 |
References
- https://access.redhat.com/errata/RHSA-2023:7854Vendor Advisory
- https://access.redhat.com/errata/RHSA-2023:7855Vendor Advisory
- https://access.redhat.com/errata/RHSA-2023:7856Vendor Advisory
- https://access.redhat.com/errata/RHSA-2023:7857Vendor Advisory
- https://access.redhat.com/errata/RHSA-2023:7858Vendor Advisory
- https://access.redhat.com/errata/RHSA-2023:7860Vendor Advisory
- https://access.redhat.com/errata/RHSA-2023:7861Vendor Advisory
- https://access.redhat.com/security/cve/CVE-2023-6291Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2251407Issue Tracking, Vendor Advisory
- https://access.redhat.com/errata/RHSA-2023:7854Vendor Advisory
- https://access.redhat.com/errata/RHSA-2023:7855Vendor Advisory
- https://access.redhat.com/errata/RHSA-2023:7856Vendor Advisory
- https://access.redhat.com/errata/RHSA-2023:7857Vendor Advisory
- https://access.redhat.com/errata/RHSA-2023:7858Vendor Advisory
- https://access.redhat.com/errata/RHSA-2023:7860Vendor Advisory
- https://access.redhat.com/errata/RHSA-2023:7861Vendor Advisory
- https://access.redhat.com/security/cve/CVE-2023-6291Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2251407Issue Tracking, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2023-6291?
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.
How severe is CVE-2023-6291?
CVE-2023-6291 has a CVSS score of 7.1/10 (HIGH severity). The EPSS model estimates a 0.95% probability of exploitation in the next 30 days.
How do I fix CVE-2023-6291?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2023-6291?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST