CVE-2019-3844
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I. Basic Information for CVE-2019-3844
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 get new privileges through the execution of SUID binaries, which would allow to create binaries owned by the service transient group with the setgid bit set. A local attacker may use this flaw to access resources that will be owned by a potentially different service in the future, when the GID will be recycled.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
特权链锁
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。攻击者可利用该漏洞访问超过服务生命周期的UID。
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-2019-3844
| # | POC Description | Source Link | Shenlong Link |
|---|
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- NetApp Product Securityx_refsource_CONFIRM
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3844x_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2019-3844
IV. Related Vulnerabilities
V. Comments for CVE-2019-3844
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