Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2017-18078

systemd-tmpfiles in systemd before 237 attempts to support ownership/permission changes on hardlinked files even if the fs.protected_hardlinks sysctl is turned off, which allows local users to bypass intended access restrictions via vectors involving a hard link to a file for which the user lacks write access, as demonstrated by changing the ownership of the /etc/passwd file.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 42.8%
CVSS Severity
CVSS v3 Score 7.8
CVSS v2 Score 4.6
References
Products affected by CVE-2017-18078


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