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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.011 (64.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 64th percentile — 64.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000
Affected products
- Systemd — versions unspecified
- Systemd Project
- Canonical Ubuntu Linux — versions 16.04, 18.04, 18.10
Weakness classification (CWE)
References
- security.gentoo.org/glsa/201810-10 (vendor-advisory, Third Party Advisory)
- github.com/systemd/systemd/pull/10517/commits (Patch, Third Party Advisory)
- www.securityfocus.com/bid/105748 (VDB Entry, Third Party Advisory, vdb-entry, Broken Link)
- usn.ubuntu.com/3816-1/ (vendor-advisory, Third Party Advisory)
- www.exploit-db.com/exploits/45715/ (Exploit, VDB Entry, Third Party Advisory, exploit)
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.