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CVE-2019-3875

Quick assessment

Affected
Red Hat keycloak
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 6.0.2之前版本中存在安全漏洞。攻击者可利用该漏洞实施中间人攻击。

AI Predicted 7.5 Difficulty: Moderate EPSS 0.29% · P20
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I. Basic Information for CVE-2019-3875

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was found in keycloak before 6.0.2. The X.509 authenticator supports the verification of client certificates through the CRL, where the CRL list can be obtained from the URL provided in the certificate itself (CDP) or through the separately configured path. The CRL are often available over the network through unsecured protocols ('http' or 'ldap') and hence the caller should verify the signature and possibly the certification path. Keycloak currently doesn't validate signatures on CRL, which can result in a possibility of various attacks like man-in-the-middle.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
对数据真实性的验证不充分
Source: CVE Program / CVE List V5
Vulnerability Title
Red Hat Keycloak 信任管理问题漏洞
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 6.0.2之前版本中存在安全漏洞。攻击者可利用该漏洞实施中间人攻击。
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)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Red Hat keycloak 6.0.2 -

II. Public POCs for CVE-2019-3875

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III. Intelligence Information for CVE-2019-3875

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Vendor Advisories for CVE-2019-3875 (2)

Same Patch Batch · Red Hat · 2019-06-12 · 5 CVEs total

CVE-2019-10157 Red Hat Keycloak Node.js adapter 授权问题漏洞
CVE-2019-3872 Red Hat JBoss Enterprise Application Platform Picketlink 跨站脚本漏洞
CVE-2019-3888 Red Hat Undertow 日志信息泄露漏洞
CVE-2019-3873 Red Hat JBoss Enterprise Application Platform 跨站脚本漏洞

IV. Related Vulnerabilities

Same product: keycloak
Same vendor: Red Hat
Same weakness: CWE-345

V. Comments for CVE-2019-3875

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