National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2020-1712 Detail

Current Description

A heap use-after-free vulnerability was found in systemd before version v245-rc1, where asynchronous Polkit queries are performed while handling dbus messages. A local unprivileged attacker can abuse this flaw to crash systemd services or potentially execute code and elevate their privileges, by sending specially crafted dbus messages.

Source:  MITRE
View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score: 7.8 HIGH
Vector:  CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Nist CVSS score does not match with CNA score
CNA:  Red Hat, Inc.
Base Score: 7.8 HIGH
Vector:  CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1712 Issue Tracking Patch Third Party Advisory
https://github.com/systemd/systemd/commit/1068447e6954dc6ce52f099ed174c442cb89ed54 Patch Third Party Advisory
https://github.com/systemd/systemd/commit/637486261528e8aa3da9f26a4487dc254f4b7abb Patch Third Party Advisory
https://github.com/systemd/systemd/commit/bc130b6858327b382b07b3985cf48e2aa9016b2d Patch Third Party Advisory
https://github.com/systemd/systemd/commit/ea0d0ede03c6f18dbc5036c5e9cccf97e415ccc2 Patch Third Party Advisory
https://www.openwall.com/lists/oss-security/2020/02/05/1 Mailing List Patch Third Party Advisory

Weakness Enumeration

CWE-ID CWE Name Source
CWE-416 Use After Free NIST   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 (including)
244

Configuration 2 ( hide )
 cpe:2.3:a:redhat:ceph_storage:4.0:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:redhat:discovery:-:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:redhat:migration_toolkit:1.0:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:redhat:openshift_container_platform:4.0:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
     Show Matching CPE(s)


Change History

1 change record found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2020-1712
NVD Published Date:
03/31/2020
NVD Last Modified:
04/10/2020