CVE-2018-16888

Advisory lineage Upstream: 0 Downstream: 4
Modified
Published: 14 Jan 2019, 22:00
Last modified:05 Aug 2024, 10:39

Vulnerability Summary

Overall Risk (default)
low
19/100
CVSS Score
4.7 MEDIUM
v3.1 (nvd)
EPSS Score
0.16% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

14 Jan 2019, 22:00
Published
Vulnerability first disclosed
05 Aug 2024, 10:39
Last Modified
Vulnerability information updated

Description

It was discovered systemd does not correctly check the content of PIDFile files before using it to kill processes. When a service is run from an unprivileged user (e.g. User field set in the service file), a local attacker who is able to write to the PIDFile of the mentioned service may use this flaw to trick systemd into killing other services and/or privileged processes. Versions before v237 are vulnerable.

CVSS Metrics

  • v3.1•MEDIUM•Score: 4.7CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
  • v3.0•MEDIUM•Score: 4.4CVSS:3.0/AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:N/A:H
  • v2.0•LOW•Score: 1.9AV:L/AC:M/Au:N/C:N/I:N/A:P

EPSS Trends

Current EPSS score: 0.16%• Percentile: 36%

Techniques & Countermeasures

  • CWE-269•Improper Privilege Management

    The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor.

  • CWE-250•Execution with Unnecessary Privileges

    The product performs an operation at a privilege level that is higher than the minimum level required, which creates new weaknesses or amplifies the consequences of other weaknesses.

Affected Systems

  • canonical•ubuntu_linux

    16.04 | 18.04 | 19.10

  • netapp•active_iq_performance_analytics_services

    na

  • netapp•element_software

    na

  • redhat•enterprise_linux

    7.0

  • systemd_project•systemd

    < 237

  • the systemd project•systemd

    v237

References (5)