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CVE-2024-8698— Keycloak-saml-core: improper verification of saml responses leading to privilege escalation in keycloak

Quick assessment

Affected
CVE-2024-8698
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Red Hat Keycloak是美国红帽（Red Hat）公司的一套为现代应用和服务提供身份验证和管理功能的软件。 Red Hat Keycloak 25.0.6之前版本存在数据伪造问题漏洞，该漏洞源于SAML签名验证方法存在缺陷，允许攻击者创建可以绕过验证的精心设计的响应，从而导致权限提升或冒充攻击。

CVSS 7.7 · High EPSS 2.03% · P81

Public Exploits 1

Nuclei · 1 CVE-2024-8698.yaml [template]

Affected Version Matrix 92

VendorProduct Version RangeStatus
None None < 25.0.5 affected
Red Hat Red Hat Build of Keycloak any unaffected
any unaffected
any affected
Red Hat Red Hat build of Keycloak 22 22.0.13-1< * unaffected
22-18< * unaffected
22-21< * unaffected
Red Hat Red Hat build of Keycloak 24 24.0.8-1< * unaffected
24-17< * unaffected
24-17< * unaffected
Red Hat Red Hat JBoss Enterprise Application Platform 8 any unaffected
any unaffected
Red Hat Red Hat JBoss Enterprise Application Platform 8.0 for RHEL 8 0:2.33.0-1.redhat_00015.1.el8eap< * unaffected
1:2.0.0-2.redhat_00005.1.el8eap< * unaffected
0:1.8.0-2.redhat_00001.1.el8eap< * unaffected
0:2.2.0-2.redhat_00001.1.el8eap< * unaffected
0:1.16.1-2.redhat_00007.1.el8eap< * unaffected
0:3.2.2-28.redhat_2.1.el8eap< * unaffected
0:2.15.1-1.redhat_00001.1.el8eap< * unaffected
0:3.14.0-2.redhat_00006.1.el8eap< * unaffected
… +29 more rows
Red Hat Red Hat JBoss Enterprise Application Platform 8.0 for RHEL 9 0:2.33.0-1.redhat_00015.1.el9eap< * unaffected
1:2.0.0-2.redhat_00005.1.el9eap< * unaffected
0:1.8.0-2.redhat_00001.1.el9eap< * unaffected
0:2.2.0-2.redhat_00001.1.el9eap< * unaffected
0:1.16.1-2.redhat_00007.1.el9eap< * unaffected
0:3.2.2-28.redhat_2.1.el9eap< * unaffected
0:2.15.1-1.redhat_00001.1.el9eap< * unaffected
0:3.14.0-2.redhat_00006.1.el9eap< * unaffected
… +29 more rows
Red Hat Red Hat Single Sign-On 7 any unaffected
any affected
Red Hat Red Hat Single Sign-On 7.6 for RHEL 7 0:18.0.18-1.redhat_00001.1.el7sso< * unaffected
Red Hat Red Hat Single Sign-On 7.6 for RHEL 8 0:18.0.18-1.redhat_00001.1.el8sso< * unaffected
Red Hat Red Hat Single Sign-On 7.6 for RHEL 9 0:18.0.18-1.redhat_00001.1.el9sso< * unaffected
Red Hat RHEL-8 based Middleware Containers 7.6-54< * unaffected

I. Basic Information for CVE-2024-8698

Vulnerability Information
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Vulnerability Title
Keycloak-saml-core: improper verification of saml responses leading to privilege escalation in keycloak
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw exists in the SAML signature validation method within the Keycloak XMLSignatureUtil class. The method incorrectly determines whether a SAML signature is for the full document or only for specific assertions based on the position of the signature in the XML document, rather than the Reference element used to specify the signed element. This flaw allows attackers to create crafted responses that can bypass the validation, potentially leading to privilege escalation or impersonation attacks.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
密码学签名的验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Red Hat Keycloak 数据伪造问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Red Hat Keycloak是美国红帽（Red Hat）公司的一套为现代应用和服务提供身份验证和管理功能的软件。 Red Hat Keycloak 25.0.6之前版本存在数据伪造问题漏洞，该漏洞源于SAML签名验证方法存在缺陷，允许攻击者创建可以绕过验证的精心设计的响应，从而导致权限提升或冒充攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

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Affected Products

Vendor Product Affected Versions CPE Subscribe
- - 0 ~ 25.0.5 -
Red Hat Red Hat Build of Keycloak - cpe:/a:redhat:build_keycloak:22
Red Hat Red Hat Build of Keycloak - cpe:/a:redhat:build_keycloak:24
Red Hat Red Hat build of Keycloak 22 22.0.13-1 ~ * cpe:/a:redhat:build_keycloak:22::el9
Red Hat Red Hat build of Keycloak 22 22-18 ~ * cpe:/a:redhat:build_keycloak:22::el9
Red Hat Red Hat build of Keycloak 22 22-21 ~ * cpe:/a:redhat:build_keycloak:22::el9
Red Hat Red Hat build of Keycloak 24 24.0.8-1 ~ * cpe:/a:redhat:build_keycloak:24::el9
Red Hat Red Hat build of Keycloak 24 24-17 ~ * cpe:/a:redhat:build_keycloak:24::el9
Red Hat Red Hat build of Keycloak 24 24-17 ~ * cpe:/a:redhat:build_keycloak:24::el9
Red Hat Red Hat JBoss Enterprise Application Platform 8 - cpe:/a:redhat:jboss_enterprise_application_platform:8.0
Red Hat Red Hat JBoss Enterprise Application Platform 8 - cpe:/a:redhat:jboss_enterprise_application_platform:8.0
Red Hat Red Hat JBoss Enterprise Application Platform 8.0 for RHEL 8 0:2.33.0-1.redhat_00015.1.el8eap ~ * cpe:/a:redhat:jboss_enterprise_application_platform:8.0::el8
Red Hat Red Hat JBoss Enterprise Application Platform 8.0 for RHEL 8 1:2.0.0-2.redhat_00005.1.el8eap ~ * cpe:/a:redhat:jboss_enterprise_application_platform:8.0::el8
Red Hat Red Hat JBoss Enterprise Application Platform 8.0 for RHEL 8 0:1.8.0-2.redhat_00001.1.el8eap ~ * cpe:/a:redhat:jboss_enterprise_application_platform:8.0::el8
Red Hat Red Hat JBoss Enterprise Application Platform 8.0 for RHEL 8 0:2.2.0-2.redhat_00001.1.el8eap ~ * cpe:/a:redhat:jboss_enterprise_application_platform:8.0::el8
Red Hat Red Hat JBoss Enterprise Application Platform 8.0 for RHEL 8 0:1.16.1-2.redhat_00007.1.el8eap ~ * cpe:/a:redhat:jboss_enterprise_application_platform:8.0::el8
Red Hat Red Hat JBoss Enterprise Application Platform 8.0 for RHEL 8 0:3.2.2-28.redhat_2.1.el8eap ~ * cpe:/a:redhat:jboss_enterprise_application_platform:8.0::el8
Red Hat Red Hat JBoss Enterprise Application Platform 8.0 for RHEL 8 0:2.15.1-1.redhat_00001.1.el8eap ~ * cpe:/a:redhat:jboss_enterprise_application_platform:8.0::el8
Red Hat Red Hat JBoss Enterprise Application Platform 8.0 for RHEL 8 0:3.14.0-2.redhat_00006.1.el8eap ~ * cpe:/a:redhat:jboss_enterprise_application_platform:8.0::el8
Red Hat Red Hat JBoss Enterprise Application Platform 8.0 for RHEL 8 0:4.0.5-1.redhat_00001.1.el8eap ~ * cpe:/a:redhat:jboss_enterprise_application_platform:8.0::el8
Red Hat Red Hat JBoss Enterprise Application Platform 8.0 for RHEL 8 1:2.0.0-2.redhat_00005.1.el8eap ~ * cpe:/a:redhat:jboss_enterprise_application_platform:8.0::el8
Red Hat Red Hat JBoss Enterprise Application Platform 8.0 for RHEL 8 0:2.0.1-1.redhat_00002.1.el8eap ~ * cpe:/a:redhat:jboss_enterprise_application_platform:8.0::el8
Red Hat Red Hat JBoss Enterprise Application Platform 8.0 for RHEL 8 0:0.1.0-2.redhat_00010.1.el8eap ~ * cpe:/a:redhat:jboss_enterprise_application_platform:8.0::el8
Red Hat Red Hat JBoss Enterprise Application Platform 8.0 for RHEL 8 0:1.12.284-2.redhat_00002.1.el8eap ~ * cpe:/a:redhat:jboss_enterprise_application_platform:8.0::el8
Red Hat Red Hat JBoss Enterprise Application Platform 8.0 for RHEL 8 0:1.2.5-2.redhat_00001.1.el8eap ~ * cpe:/a:redhat:jboss_enterprise_application_platform:8.0::el8
Red Hat Red Hat JBoss Enterprise Application Platform 8.0 for RHEL 8 0:800.4.0-1.GA_redhat_00001.1.el8eap ~ * cpe:/a:redhat:jboss_enterprise_application_platform:8.0::el8
Red Hat Red Hat JBoss Enterprise Application Platform 8.0 for RHEL 8 0:2.1.0-4.redhat_00001.1.el8eap ~ * cpe:/a:redhat:jboss_enterprise_application_platform:8.0::el8
Red Hat Red Hat JBoss Enterprise Application Platform 8.0 for RHEL 8 0:6.2.31-1.Final_redhat_00002.1.el8eap ~ * cpe:/a:redhat:jboss_enterprise_application_platform:8.0::el8
Red Hat Red Hat JBoss Enterprise Application Platform 8.0 for RHEL 8 0:8.0.1-3.Final_redhat_00001.1.el8eap ~ * cpe:/a:redhat:jboss_enterprise_application_platform:8.0::el8
Red Hat Red Hat JBoss Enterprise Application Platform 8.0 for RHEL 8 0:0.8.1-2.redhat_00001.1.el8eap ~ * cpe:/a:redhat:jboss_enterprise_application_platform:8.0::el8

II. Public POCs for CVE-2024-8698

# POC Description Source Link Shenlong Link
1 i'm noob with saml and keycloak . J4f https://github.com/huydoppaz/CVE-2024-8698-POC POC Details
2 A flaw exists in the SAML signature validation method within the Keycloak XMLSignatureUtil class. The method incorrectly determines whether a SAML signature is for the full document or only for specific assertions based on the position of the signature in the XML document, rather than the Reference element used to specify the signed element. This flaw allows attackers to create crafted responses that can bypass the validation, potentially leading to privilege escalation or impersonation attacks. https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2024/CVE-2024-8698.yaml POC Details
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III. Intelligence Information for CVE-2024-8698

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Patches & Fixes for CVE-2024-8698 (1)

Vendor Advisories for CVE-2024-8698 (10)

IV. Related Vulnerabilities

Same weakness: CWE-347

V. Comments for CVE-2024-8698

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