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CVE-2023-6927— Keycloak: open redirect via "form_post.jwt" jarm response mode

CVSS 4.6 · Medium EPSS 0.84% · P75
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I. Basic Information for CVE-2023-6927

Vulnerability Information
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Vulnerability Title
Keycloak: open redirect via "form_post.jwt" jarm response mode
Source: NVD (National Vulnerability Database)
Vulnerability Description
A flaw was found in Keycloak. This issue may allow an attacker to steal authorization codes or tokens from clients using a wildcard in the JARM response mode "form_post.jwt" which could be used to bypass the security patch implemented to address CVE-2023-6134.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
指向未可信站点的URL重定向(开放重定向)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Red Hat Keycloak 输入验证错误漏洞
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存在输入验证错误漏洞，该漏洞源于可能允许攻击者在JARM响应模式中使用通配符从客户端窃取授权代码或令牌。
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

VendorProductAffected VersionsCPESubscribe
Red HatRed Hat build of Keycloak 22 22-7 ~ * cpe:/a:redhat:build_keycloak:22::el9
Red HatRed Hat build of Keycloak 22.0.8-cpe:/a:redhat:build_keycloak:22
Red HatRed Hat Single Sign-On 7-cpe:/a:redhat:red_hat_single_sign_on:7.6
Red HatRed Hat Single Sign-On 7.6 for RHEL 7 0:18.0.11-3.redhat_00001.1.el7sso ~ * cpe:/a:redhat:red_hat_single_sign_on:7.6::el7
Red HatRed 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 HatRed Hat Single Sign-On 7.6 for RHEL 8 0:18.0.11-3.redhat_00001.1.el8sso ~ * cpe:/a:redhat:red_hat_single_sign_on:7.6::el8
Red HatRed 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 HatRed Hat Single Sign-On 7.6 for RHEL 9 0:18.0.11-3.redhat_00001.1.el9sso ~ * cpe:/a:redhat:red_hat_single_sign_on:7.6::el9
Red HatRed 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 HatRHEL-8 based Middleware Containers 7.6-39 ~ * cpe:/a:redhat:rhosemc:1.0::el8
Red HatRHEL-8 based Middleware Containers 7.6-41 ~ * cpe:/a:redhat:rhosemc:1.0::el8
Red HatSingle Sign-On 7.6.6-cpe:/a:redhat:red_hat_single_sign_on:7.6.6

II. Public POCs for CVE-2023-6927

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III. Intelligence Information for CVE-2023-6927

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Same Patch Batch · Red Hat · 2023-12-18 · 10 CVEs total

CVE-2023-43207.6 HIGHSatellite: arithmetic overflow in satellite
CVE-2023-53847.2 HIGHInfinispan: credentials returned from configuration as clear text
CVE-2023-50566.8 MEDIUMSkupper-operator: privelege escalation via config map
CVE-2023-36286.5 MEDIUMInfispan: rest bulk ops don't check permissions
CVE-2023-51156.3 MEDIUMAnsible: malicious role archive can cause ansible-galaxy to overwrite arbitrary files
CVE-2023-52364.4 MEDIUMInfinispan: circular reference on marshalling leads to dos
CVE-2023-36294.3 MEDIUMInfinispan: non-admins should not be able to get cache config via rest api
CVE-2023-69183.7 LOWLibssh: missing checks for return values for digests
CVE-2023-62283.3 LOWLibtiff: heap-based buffer overflow in cpstriptotile() in tools/tiffcp.c

IV. Related Vulnerabilities

Same product: Red Hat build of Keycloak 22
Same vendor: Red Hat
Same weakness: CWE-601

V. Comments for CVE-2023-6927

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