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CVE-2018-1049

Quick assessment

Affected
Red Hat, Inc. systemd
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

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 234之前版本中存在竞争条件问题漏洞，该漏洞源于程序无法处理自动挂载请求。攻击者可利用该漏洞造成拒绝服务（进程挂起）。

AI Predicted 5.3 Difficulty: Trivial EPSS 7.44% · P94

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2018-1049

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
In systemd prior to 234 a race condition exists between .mount and .automount units such that automount requests from kernel may not be serviced by systemd resulting in kernel holding the mountpoint and any processes that try to use said mount will hang. A race condition like this may lead to denial of service, until mount points are unmounted.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
使用共享资源的并发执行不恰当同步问题(竞争条件)
Source: CVE Program / CVE List V5
Vulnerability Title
systemd 竞争条件问题漏洞
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 234之前版本中存在竞争条件问题漏洞，该漏洞源于程序无法处理自动挂载请求。攻击者可利用该漏洞造成拒绝服务（进程挂起）。
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, Inc. systemd prior to 234 -

II. Public POCs for CVE-2018-1049

# POC Description Source Link Shenlong Link
1 None https://github.com/lukehebe/CVE-2018-1049 POC Details
2 None https://github.com/lukehebe/CVE-2018-1049-POC POC Details
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III. Intelligence Information for CVE-2018-1049

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Vendor Advisories for CVE-2018-1049 (4)

Mailing List Discussions for CVE-2018-1049 (1)

IV. Related Vulnerabilities

Same product: systemd
Same vendor: Red Hat, Inc.
Same weakness: CWE-362

V. Comments for CVE-2018-1049

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