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CVE-2018-16838

Quick assessment

Affected
[UNKNOWN] sssd
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.

SSSD是一款提供本地或远程身份和身份验证资源访问的守护程序。 SSSD中存在访问控制错误漏洞。该漏洞源于服务器端的权限设置过于严格导致 SSSD 无法读取 GPO 时，SSSD 将允许所有经过身份验证的用户登录，而不是拒绝访问。

AI Predicted 7.5 Difficulty: Moderate EPSS 1.15% · P66

Possible ATT&CK Techniques 1 AI

T1078 · Valid Accounts
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I. Basic Information for CVE-2018-16838

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A flaw was found in sssd Group Policy Objects implementation. When the GPO is not readable by SSSD due to a too strict permission settings on the server side, SSSD will allow all authenticated users to login instead of denying access.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
访问控制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
SSSD 访问控制错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
SSSD是一款提供本地或远程身份和身份验证资源访问的守护程序。 SSSD中存在访问控制错误漏洞。该漏洞源于服务器端的权限设置过于严格导致 SSSD 无法读取 GPO 时，SSSD 将允许所有经过身份验证的用户登录，而不是拒绝访问。
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
[UNKNOWN] sssd n/a -

II. Public POCs for CVE-2018-16838

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III. Intelligence Information for CVE-2018-16838

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Vendor Advisories for CVE-2018-16838 (4)

Mailing List Discussions for CVE-2018-16838 (3)

Same Patch Batch · [UNKNOWN] · 2019-03-25 · 8 CVEs total

CVE-2017-7510 ovirt-engine和engine 信息泄露漏洞
CVE-2019-3827 GVfs 授权问题漏洞
CVE-2018-16858 LibreOffice 路径遍历漏洞
CVE-2019-3809 Moodle 代码问题漏洞
CVE-2019-3808 Moodle 跨站脚本漏洞
CVE-2019-3831 oVirt Virtual Desktop Server Manager 安全漏洞
CVE-2019-3810 Moodle 跨站脚本漏洞

IV. Related Vulnerabilities

Same product: sssd
Same vendor: [UNKNOWN]
Same weakness: CWE-284

V. Comments for CVE-2018-16838

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