Vulnerability in Systemd
CVE-2018-15687
A race condition in chown_one() of systemd allows an attacker to cause systemd to set arbitrary permissions on arbitrary files. Affected releases are systemd versions up to and including 239.
Vulnerability class: Race Condition
EPSS: 0.011 (60.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.0 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Systemd — versions unspecified
- Systemd_project Systemd
- Canonical Ubuntu_linux — versions 16.04, 18.04, 18.10
Weakness classification (CWE)
References
- security@ubuntu.com (vendor-advisory, Third Party Advisory, x_refsource_GENTOO)
- security@ubuntu.com (Patch, Third Party Advisory, x_refsource_MISC)
- security@ubuntu.com (VDB Entry, Third Party Advisory, vdb-entry, Broken Link, x_refsource_BID)
- security@ubuntu.com (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)
- security@ubuntu.com (Exploit, VDB Entry, Third Party Advisory, exploit, x_refsource_EXPLOIT-DB)
Frequently asked questions
- What is CVE-2018-15687?
- CVE-2018-15687 is a high-severity vulnerability in Systemd, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 7.0/10. Published 2018-10-26.
- How severe is CVE-2018-15687?
- High severity. CVSS v3 base score is 7.0 out of 10.