CVE-2018-16838
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I. Basic Information for CVE-2018-16838
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
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: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
访问控制不恰当
Source: NVD (National Vulnerability Database)
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
II. Public POCs for CVE-2018-16838
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16838x_refsource_CONFIRM
- http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00051.htmlvendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00042.htmlvendor-advisoryx_refsource_SUSE
- https://nvd.nist.gov/vuln/detail/CVE-2018-16838
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 weakness: CWE-284
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phpvms: /importer authorization bypass causing full database - CVE-2026-42205
Avo: Broken Access Control: Unauthorized Execution of Arbitr - CVE-2026-41487
Langfuse: Improper role-based-access control in Langfuse LLM - CVE-2026-42278
UltraDAG: Smart Account Spending Policy Bypass via Pockets
V. Comments for CVE-2018-16838
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