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Vulnerability Details :

CVE-2023-2422

Summary
Assigner-redhat
Assigner Org ID-53f830b8-0a3f-465b-8143-3b8a9948e749
Published At-04 Oct, 2023 | 10:59
Updated At-02 Aug, 2024 | 06:19
Rejected At-
Credits

Keycloak: oauth client impersonation

A flaw was found in Keycloak. A Keycloak server configured to support mTLS authentication for OAuth/OpenID clients does not properly verify the client certificate chain. A client that possesses a proper certificate can authorize itself as any other client, therefore, access data that belongs to other clients.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
â–¼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:redhat
Assigner Org ID:53f830b8-0a3f-465b-8143-3b8a9948e749
Published At:04 Oct, 2023 | 10:59
Updated At:02 Aug, 2024 | 06:19
Rejected At:
â–¼CVE Numbering Authority (CNA)
Keycloak: oauth client impersonation

A flaw was found in Keycloak. A Keycloak server configured to support mTLS authentication for OAuth/OpenID clients does not properly verify the client certificate chain. A client that possesses a proper certificate can authorize itself as any other client, therefore, access data that belongs to other clients.

Affected Products
Vendor
Red Hat, Inc.Red Hat
Product
Red Hat Single Sign-On 7
Collection URL
https://access.redhat.com/downloads/content/package-browser/
Package Name
keycloak-oauth
CPEs
  • cpe:/a:redhat:red_hat_single_sign_on:7.6.4
Default Status
unaffected
Vendor
Red Hat, Inc.Red Hat
Product
Red Hat Single Sign-On 7.6 for RHEL 7
Collection URL
https://access.redhat.com/downloads/content/package-browser/
Package Name
rh-sso7-keycloak
CPEs
  • cpe:/a:redhat:red_hat_single_sign_on:7.6::el7
Default Status
affected
Versions
Unaffected
  • From 0:18.0.8-1.redhat_00001.1.el7sso before * (rpm)
Vendor
Red Hat, Inc.Red Hat
Product
Red Hat Single Sign-On 7.6 for RHEL 8
Collection URL
https://access.redhat.com/downloads/content/package-browser/
Package Name
rh-sso7-keycloak
CPEs
  • cpe:/a:redhat:red_hat_single_sign_on:7.6::el8
Default Status
affected
Versions
Unaffected
  • From 0:18.0.8-1.redhat_00001.1.el8sso before * (rpm)
Vendor
Red Hat, Inc.Red Hat
Product
Red Hat Single Sign-On 7.6 for RHEL 9
Collection URL
https://access.redhat.com/downloads/content/package-browser/
Package Name
rh-sso7-keycloak
CPEs
  • cpe:/a:redhat:red_hat_single_sign_on:7.6::el9
Default Status
affected
Versions
Unaffected
  • From 0:18.0.8-1.redhat_00001.1.el9sso before * (rpm)
Vendor
Red Hat, Inc.Red Hat
Product
RHEL-8 based Middleware Containers
Collection URL
https://catalog.redhat.com/software/containers/
Package Name
rh-sso-7/sso76-openshift-rhel8
CPEs
  • cpe:/a:redhat:rhosemc:1.0::el8
Default Status
affected
Versions
Unaffected
  • From 7.6-24 before * (rpm)
Problem Types
TypeCWE IDDescription
CWECWE-295Improper Certificate Validation
Type: CWE
CWE ID: CWE-295
Description: Improper Certificate Validation
Metrics
VersionBase scoreBase severityVector
3.15.5MEDIUM
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:L/A:N
Version: 3.1
Base score: 5.5
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:L/A:N
Metrics Other Info
Red Hat severity rating
value:
Moderate
namespace:
https://access.redhat.com/security/updates/classification/
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Reported to Red Hat.2023-04-25 00:00:00
Made public.2023-06-26 00:00:00
Event: Reported to Red Hat.
Date: 2023-04-25 00:00:00
Event: Made public.
Date: 2023-06-26 00:00:00
Replaced By

Rejected Reason

References
HyperlinkResource
https://access.redhat.com/errata/RHSA-2023:3883
vendor-advisory
x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2023:3884
vendor-advisory
x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2023:3885
vendor-advisory
x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2023:3888
vendor-advisory
x_refsource_REDHAT
https://access.redhat.com/errata/RHSA-2023:3892
vendor-advisory
x_refsource_REDHAT
https://access.redhat.com/security/cve/CVE-2023-2422
vdb-entry
x_refsource_REDHAT
https://bugzilla.redhat.com/show_bug.cgi?id=2191668
issue-tracking
x_refsource_REDHAT
Hyperlink: https://access.redhat.com/errata/RHSA-2023:3883
Resource:
vendor-advisory
x_refsource_REDHAT
Hyperlink: https://access.redhat.com/errata/RHSA-2023:3884
Resource:
vendor-advisory
x_refsource_REDHAT
Hyperlink: https://access.redhat.com/errata/RHSA-2023:3885
Resource:
vendor-advisory
x_refsource_REDHAT
Hyperlink: https://access.redhat.com/errata/RHSA-2023:3888
Resource:
vendor-advisory
x_refsource_REDHAT
Hyperlink: https://access.redhat.com/errata/RHSA-2023:3892
Resource:
vendor-advisory
x_refsource_REDHAT
Hyperlink: https://access.redhat.com/security/cve/CVE-2023-2422
Resource:
vdb-entry
x_refsource_REDHAT
Hyperlink: https://bugzilla.redhat.com/show_bug.cgi?id=2191668
Resource:
issue-tracking
x_refsource_REDHAT
â–¼Authorized Data Publishers (ADP)
1. CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
2. CVE Program Container
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
https://access.redhat.com/errata/RHSA-2023:3883
vendor-advisory
x_refsource_REDHAT
x_transferred
https://access.redhat.com/errata/RHSA-2023:3884
vendor-advisory
x_refsource_REDHAT
x_transferred
https://access.redhat.com/errata/RHSA-2023:3885
vendor-advisory
x_refsource_REDHAT
x_transferred
https://access.redhat.com/errata/RHSA-2023:3888
vendor-advisory
x_refsource_REDHAT
x_transferred
https://access.redhat.com/errata/RHSA-2023:3892
vendor-advisory
x_refsource_REDHAT
x_transferred
https://access.redhat.com/security/cve/CVE-2023-2422
vdb-entry
x_refsource_REDHAT
x_transferred
https://bugzilla.redhat.com/show_bug.cgi?id=2191668
issue-tracking
x_refsource_REDHAT
x_transferred
Hyperlink: https://access.redhat.com/errata/RHSA-2023:3883
Resource:
vendor-advisory
x_refsource_REDHAT
x_transferred
Hyperlink: https://access.redhat.com/errata/RHSA-2023:3884
Resource:
vendor-advisory
x_refsource_REDHAT
x_transferred
Hyperlink: https://access.redhat.com/errata/RHSA-2023:3885
Resource:
vendor-advisory
x_refsource_REDHAT
x_transferred
Hyperlink: https://access.redhat.com/errata/RHSA-2023:3888
Resource:
vendor-advisory
x_refsource_REDHAT
x_transferred
Hyperlink: https://access.redhat.com/errata/RHSA-2023:3892
Resource:
vendor-advisory
x_refsource_REDHAT
x_transferred
Hyperlink: https://access.redhat.com/security/cve/CVE-2023-2422
Resource:
vdb-entry
x_refsource_REDHAT
x_transferred
Hyperlink: https://bugzilla.redhat.com/show_bug.cgi?id=2191668
Resource:
issue-tracking
x_refsource_REDHAT
x_transferred
Information is not available yet
â–¼National Vulnerability Database (NVD)
nvd.nist.gov
Source:secalert@redhat.com
Published At:04 Oct, 2023 | 11:15
Updated At:07 Nov, 2023 | 04:12

A flaw was found in Keycloak. A Keycloak server configured to support mTLS authentication for OAuth/OpenID clients does not properly verify the client certificate chain. A client that possesses a proper certificate can authorize itself as any other client, therefore, access data that belongs to other clients.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Primary3.17.1HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
Secondary3.15.5MEDIUM
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:L/A:N
Type: Primary
Version: 3.1
Base score: 7.1
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
Type: Secondary
Version: 3.1
Base score: 5.5
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:L/A:N
CPE Matches

Red Hat, Inc.
redhat
>>keycloak>>-
cpe:2.3:a:redhat:keycloak:-:*:*:*:*:*:*:*
Red Hat, Inc.
redhat
>>openshift_container_platform>>4.9
cpe:2.3:a:redhat:openshift_container_platform:4.9:*:*:*:*:*:*:*
Red Hat, Inc.
redhat
>>openshift_container_platform>>4.10
cpe:2.3:a:redhat:openshift_container_platform:4.10:*:*:*:*:*:*:*
Red Hat, Inc.
redhat
>>openshift_container_platform>>4.11
cpe:2.3:a:redhat:openshift_container_platform:4.11:*:*:*:*:*:*:*
Red Hat, Inc.
redhat
>>openshift_container_platform>>4.12
cpe:2.3:a:redhat:openshift_container_platform:4.12:*:*:*:*:*:*:*
Red Hat, Inc.
redhat
>>single_sign-on>>7.6
cpe:2.3:a:redhat:single_sign-on:7.6:*:*:*:*:*:*:*
Red Hat, Inc.
redhat
>>enterprise_linux>>7.0
cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
Red Hat, Inc.
redhat
>>enterprise_linux>>8.0
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
Red Hat, Inc.
redhat
>>enterprise_linux>>9.0
cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-295Primarynvd@nist.gov
CWE-295Secondarysecalert@redhat.com
CWE ID: CWE-295
Type: Primary
Source: nvd@nist.gov
CWE ID: CWE-295
Type: Secondary
Source: secalert@redhat.com
Evaluator Description

Evaluator Impact

Evaluator Solution

Vendor Statements

References
HyperlinkSourceResource
https://access.redhat.com/errata/RHSA-2023:3883secalert@redhat.com
Vendor Advisory
https://access.redhat.com/errata/RHSA-2023:3884secalert@redhat.com
Vendor Advisory
https://access.redhat.com/errata/RHSA-2023:3885secalert@redhat.com
Vendor Advisory
https://access.redhat.com/errata/RHSA-2023:3888secalert@redhat.com
Vendor Advisory
https://access.redhat.com/errata/RHSA-2023:3892secalert@redhat.com
Vendor Advisory
https://access.redhat.com/security/cve/CVE-2023-2422secalert@redhat.com
Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2191668secalert@redhat.com
Issue Tracking
Vendor Advisory
Hyperlink: https://access.redhat.com/errata/RHSA-2023:3883
Source: secalert@redhat.com
Resource:
Vendor Advisory
Hyperlink: https://access.redhat.com/errata/RHSA-2023:3884
Source: secalert@redhat.com
Resource:
Vendor Advisory
Hyperlink: https://access.redhat.com/errata/RHSA-2023:3885
Source: secalert@redhat.com
Resource:
Vendor Advisory
Hyperlink: https://access.redhat.com/errata/RHSA-2023:3888
Source: secalert@redhat.com
Resource:
Vendor Advisory
Hyperlink: https://access.redhat.com/errata/RHSA-2023:3892
Source: secalert@redhat.com
Resource:
Vendor Advisory
Hyperlink: https://access.redhat.com/security/cve/CVE-2023-2422
Source: secalert@redhat.com
Resource:
Vendor Advisory
Hyperlink: https://bugzilla.redhat.com/show_bug.cgi?id=2191668
Source: secalert@redhat.com
Resource:
Issue Tracking
Vendor Advisory

Change History

0
Information is not available yet

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