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I. Basic Information for CVE-2018-15686
Vulnerability Information
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Vulnerability Title
systemd: reexec state injection: fgets() on overlong lines leads to line splitting
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability in unit_deserialize of systemd allows an attacker to supply arbitrary state across systemd re-execution via NotifyAccess. This can be used to improperly influence systemd execution and possibly lead to root privilege escalation. Affected releases are systemd versions up to and including 239.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
systemd 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
systemd是德国软件开发者Lennart Poettering和其他人共同研发的一款基于Linux的系统和服务管理器，它兼容了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 239及之前版本中的‘unit_deserialize’函数存在安全漏洞。攻击者可利用该漏洞影响systemd的正常运行并将权限提升至root。
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
VendorProductAffected VersionsCPESubscribe
systemdsystemd unspecified ~ 239 -
II. Public POCs for CVE-2018-15686
#POC DescriptionSource LinkShenlong Link
1Remediation task for CVE-2018-15686, CVE-2018-16866, and CVE-2018-16888 affecting SystemD in EL7https://github.com/hpcprofessional/remediate_cesa_2019_2091POC Details
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III. Intelligence Information for CVE-2018-15686
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IV. Related Vulnerabilities
Same product: systemd
Same vendor: systemd
V. Comments for CVE-2018-15686

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