CVE-2019-3843
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I. Basic Information for CVE-2019-3843
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
It was discovered that a systemd service that uses DynamicUser property can create a SUID/SGID binary that would be allowed to run as the transient service UID/GID even after the service is terminated. A local attacker may use this flaw to access resources that will be owned by a potentially different service in the future, when the UID/GID will be recycled.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
特权授予不正确
Source: NVD (National Vulnerability Database)
Vulnerability Title
systemd 权限许可和访问控制问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
systemd是德国Lennart Poettering软件开发者的一款基于Linux的系统和服务管理器。该产品兼容了SysV和LSB的启动脚本，且提供了一个用来表示系统服务间依赖关系的框架。 systemd中存在安全漏洞。本地攻击者可利用该漏洞访问其他服务的资源。
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 |
|---|---|---|---|---|
| [freedesktop.org] | systemd | 242 | - |
II. Public POCs for CVE-2019-3843
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POCPremium
No public POC found.
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- NetApp Product Securityx_refsource_CONFIRM
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3843x_refsource_CONFIRM
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5JXQAKSTMABZ46EVCRMW62DHWYHTTFES/vendor-advisoryx_refsource_FEDORA
- https://nvd.nist.gov/vuln/detail/CVE-2019-3843
IV. Related Vulnerabilities
Same vendor: [freedesktop.org]
Same weakness: CWE-266
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V. Comments for CVE-2019-3843
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