---
cve: "CVE-2018-15687"
severity: "HIGH"
cvss: 7.8
epss: "1.1%"
vendor: "systemd"
kev: false
exploited: false
published: "2018-10-26 14:29:00"
tags: [cve, security, high]
source: tsecurity.de CVE-Dossier
exported: "2026-09-20T03:14:03+02:00"
---

# CVE-2018-15687

> 7.8 HIGH · 🧪 PoC

## Beschreibung

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.

## CVSS-Vektor

```
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
```

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Lokal | good |
| AC Komplexität | Gering | bad |
| PR Privilegien | Gering | warn |
| UI Interaktion | Keine | bad |
| S Scope | Unverändert | good |
| C Vertraulichkeit | Hoch | bad |
| I Integrität | Hoch | bad |
| A Verfügbarkeit | Hoch | bad |

## Exploit-Evidenz

- [EDB-45715 — systemd - 'chown_one()' Dereference Symlinks](https://www.exploit-db.com/exploits/45715) ✅

## Patch verfügbar (OSV)

- 1742aae2aa8cd33897250d6fcfbe10928e43eb2f (Commit)
- 1742aae2aa8cd33897250d6fcfbe10928e43eb2f (Commit)

## Referenzen

- <https://security.gentoo.org/glsa/201810-10>
- <https://github.com/systemd/systemd/pull/10517/commits>
- <http://www.securityfocus.com/bid/105748>
- <https://usn.ubuntu.com/3816-1/>
- <https://www.exploit-db.com/exploits/45715/>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2018-15687) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_