CVE-2018-15687 systemd: chown_one() can dereference symlinks

2018-10-2500:00:00

canonical

www.cve.org

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.6 High

AI Score

Confidence

High

0.003 Low

EPSS

Percentile

65.7%

JSON

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.

CNA Affected

[
  {
    "product": "systemd",
    "vendor": "systemd",
    "versions": [
      {
        "lessThanOrEqual": "239",
        "status": "affected",
        "version": "unspecified",
        "versionType": "custom"
      }
    ]
  }
]