National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2018-16888 Detail

Current 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.

Source:  MITRE
View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score: 4.7 MEDIUM
Vector:  CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

Nist CVSS score does not match with CNA score
CNA:  Red Hat, Inc.
Base Score: 4.4 MEDIUM
Vector:  CVSS:3.0/AV:L/AC:H/PR:L/UI:R/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://access.redhat.com/errata/RHSA-2019:2091
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16888 Issue Tracking Patch Third Party Advisory
https://lists.apache.org/thread.html/5960a34a524848cd722fd7ab7e2227eac10107b0f90d9d1e9c3caa74@%3Cuser.cassandra.apache.org%3E
https://security.netapp.com/advisory/ntap-20190307-0007/ Third Party Advisory
https://usn.ubuntu.com/4269-1/

Weakness Enumeration

CWE-ID CWE Name Source
CWE-20 Improper Input Validation NIST  
CWE-732 Incorrect Permission Assignment for Critical Resource NIST  
CWE-250 Execution with Unnecessary Privileges Red Hat, Inc.  

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:freedesktop:systemd:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (excluding)
237

Configuration 2 ( hide )
 cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
     Show Matching CPE(s)

Configuration 3 ( hide )
 cpe:2.3:a:netapp:active_iq_performance_analytics_services:-:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:netapp:element_software:-:*:*:*:*:*:*:*
     Show Matching CPE(s)


Change History

8 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2018-16888
NVD Published Date:
01/14/2019
NVD Last Modified:
10/02/2019