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CVE-2023-6484— Keycloak: log injection during webauthn authentication or registration

Quick assessment

Affected
CVE-2023-6484
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
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 22.0.5版本存在安全漏洞，该漏洞源于存在日志注入问题，攻击者可以通过认证表单注入文本字符串。

CVSS 5.3 · Medium EPSS 1.01% · P62

Possible ATT&CK Techniques 1 AI

T1560 · Archive Collected Data

Affected Version Matrix 19

VendorProduct Version RangeStatus
None None < 22.0.9 affected
23.0.0< 23.0.5 affected
Red Hat Red Hat build of Keycloak 22 22.0.10-1< * unaffected
22-13< * unaffected
22-16< * unaffected
Red Hat Red Hat build of Keycloak 22.0.10 any unaffected
Red Hat Red Hat Single Sign-On 7 any unaffected
Red Hat Red Hat Single Sign-On 7.6 for RHEL 7 0:18.0.12-1.redhat_00001.1.el7sso< * unaffected
0:18.0.13-1.redhat_00001.1.el7sso< * unaffected
Red Hat Red Hat Single Sign-On 7.6 for RHEL 8 0:18.0.12-1.redhat_00001.1.el8sso< * unaffected
0:18.0.13-1.redhat_00001.1.el8sso< * unaffected
Red Hat Red Hat Single Sign-On 7.6 for RHEL 9 0:18.0.12-1.redhat_00001.1.el9sso< * unaffected
0:18.0.13-1.redhat_00001.1.el9sso< * unaffected
Red Hat RHEL-8 based Middleware Containers 7.6-41< * unaffected
7.6-46< * unaffected
7.6-16< * unaffected
7.6-18< * unaffected
7.6.8-2< * unaffected
Red Hat RHSSO 7.6.8 any unaffected

I. Basic Information for CVE-2023-6484

Vulnerability Information
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Vulnerability Title
Keycloak: log injection during webauthn authentication or registration
Source: CVE Program / CVE List V5
Vulnerability Description
A log injection flaw was found in Keycloak. A text string may be injected through the authentication form when using the WebAuthn authentication mode. This issue may have a minor impact to the logs integrity.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
日志输出的转义处理不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Red Hat Keycloak 安全漏洞
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 22.0.5版本存在安全漏洞，该漏洞源于存在日志注入问题，攻击者可以通过认证表单注入文本字符串。
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)

Affected Products

Vendor Product Affected Versions CPE Subscribe
- - 0 ~ 22.0.9 -
Red Hat Red Hat build of Keycloak 22 22.0.10-1 ~ * cpe:/a:redhat:build_keycloak:22::el9
Red Hat Red Hat build of Keycloak 22 22-13 ~ * cpe:/a:redhat:build_keycloak:22::el9
Red Hat Red Hat build of Keycloak 22 22-16 ~ * cpe:/a:redhat:build_keycloak:22::el9
Red Hat Red Hat build of Keycloak 22.0.10 - cpe:/a:redhat:build_keycloak:22
Red Hat Red Hat Single Sign-On 7 - cpe:/a:redhat:red_hat_single_sign_on:7.6
Red Hat Red Hat Single Sign-On 7.6 for RHEL 7 0:18.0.12-1.redhat_00001.1.el7sso ~ * cpe:/a:redhat:red_hat_single_sign_on:7.6::el7
Red Hat Red Hat Single Sign-On 7.6 for RHEL 7 0:18.0.13-1.redhat_00001.1.el7sso ~ * cpe:/a:redhat:red_hat_single_sign_on:7.6::el7
Red Hat Red Hat Single Sign-On 7.6 for RHEL 8 0:18.0.12-1.redhat_00001.1.el8sso ~ * cpe:/a:redhat:red_hat_single_sign_on:7.6::el8
Red Hat Red Hat Single Sign-On 7.6 for RHEL 8 0:18.0.13-1.redhat_00001.1.el8sso ~ * cpe:/a:redhat:red_hat_single_sign_on:7.6::el8
Red Hat Red Hat Single Sign-On 7.6 for RHEL 9 0:18.0.12-1.redhat_00001.1.el9sso ~ * cpe:/a:redhat:red_hat_single_sign_on:7.6::el9
Red Hat Red Hat Single Sign-On 7.6 for RHEL 9 0:18.0.13-1.redhat_00001.1.el9sso ~ * cpe:/a:redhat:red_hat_single_sign_on:7.6::el9
Red Hat RHEL-8 based Middleware Containers 7.6-41 ~ * cpe:/a:redhat:rhosemc:1.0::el8
Red Hat RHEL-8 based Middleware Containers 7.6-46 ~ * cpe:/a:redhat:rhosemc:1.0::el8
Red Hat RHEL-8 based Middleware Containers 7.6-16 ~ * cpe:/a:redhat:rhosemc:1.0::el8
Red Hat RHEL-8 based Middleware Containers 7.6-18 ~ * cpe:/a:redhat:rhosemc:1.0::el8
Red Hat RHEL-8 based Middleware Containers 7.6.8-2 ~ * cpe:/a:redhat:rhosemc:1.0::el8
Red Hat RHSSO 7.6.8 - cpe:/a:redhat:red_hat_single_sign_on:7.6

II. Public POCs for CVE-2023-6484

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III. Intelligence Information for CVE-2023-6484

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Vendor Advisories for CVE-2023-6484 (15)

IV. Related Vulnerabilities

Same weakness: CWE-117

V. Comments for CVE-2023-6484

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