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CVE-2018-15687

Published: 26 October 2018

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.

Priority

Medium

Cvss 3 Severity Score

7.0

Score breakdown

Status

Package Release Status
systemd
Launchpad, Ubuntu, Debian
upstream Pending

trusty Not vulnerable
(code not present)
xenial
Released (229-4ubuntu21.8)
bionic
Released (237-3ubuntu10.6)
cosmic
Released (239-7ubuntu10.3)
Patches:
upstream: https://github.com/systemd/systemd/pull/10517
upstream: https://github.com/systemd/systemd/commit/dc81f52c4d07de0c24f16edf889120780d9ae734

Severity score breakdown

Parameter Value
Base score 7.0
Attack vector Local
Attack complexity High
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H