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CVE-2020-1712 Detail

Modified

This vulnerability has been modified since it was last analyzed by the NVD. It is awaiting reanalysis which may result in further changes to the information provided.

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.

Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.

CVSS 4.0 Severity and Vector Strings:

NIST: NVD

N/A

NVD assessment not yet provided.

CVSS 3.x Severity and Vector Strings:

CNA: Red Hat, Inc.

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

CVSS 2.0 Severity and Vector Strings:

National Institute of Standards and Technology

NIST: NVD

Base Score: 4.6 MEDIUM

Vector: (AV:L/AC:L/Au:N/C:P/I:P/A:P)

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://lists.debian.org/debian-lts-announce/2022/06/msg00025.html	Mailing List 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

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Denotes Vulnerable Software
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Change History

6 change records found show changes

Initial Analysis by NIST 4/10/2020 11:42:07 AM

Action	Type	Old Value	New Value
Added	CPE Configuration		OR cpe:2.3:a:freedesktop:systemd::::::::* versions up to (including) 244
Added	CPE Configuration		OR cpe:2.3:a:redhat:ceph_storage:4.0::::::: cpe:2.3:a:redhat:discovery:-::::::: cpe:2.3:a:redhat:migration_toolkit:1.0::::::: cpe:2.3:a:redhat:openshift_container_platform:4.0::::::: cpe:2.3:o:redhat:enterprise_linux:8.0:::::::
Added	CVSS V2		NIST (AV:L/AC:L/Au:N/C:P/I:P/A:P)
Added	CVSS V3.1		NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Added	CWE		NIST CWE-416
Changed	Reference Type	https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1712 No Types Assigned	https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1712 Issue Tracking, Patch, Third Party Advisory
Changed	Reference Type	https://github.com/systemd/systemd/commit/1068447e6954dc6ce52f099ed174c442cb89ed54 No Types Assigned	https://github.com/systemd/systemd/commit/1068447e6954dc6ce52f099ed174c442cb89ed54 Patch, Third Party Advisory
Changed	Reference Type	https://github.com/systemd/systemd/commit/637486261528e8aa3da9f26a4487dc254f4b7abb No Types Assigned	https://github.com/systemd/systemd/commit/637486261528e8aa3da9f26a4487dc254f4b7abb Patch, Third Party Advisory
Changed	Reference Type	https://github.com/systemd/systemd/commit/bc130b6858327b382b07b3985cf48e2aa9016b2d No Types Assigned	https://github.com/systemd/systemd/commit/bc130b6858327b382b07b3985cf48e2aa9016b2d Patch, Third Party Advisory
Changed	Reference Type	https://github.com/systemd/systemd/commit/ea0d0ede03c6f18dbc5036c5e9cccf97e415ccc2 No Types Assigned	https://github.com/systemd/systemd/commit/ea0d0ede03c6f18dbc5036c5e9cccf97e415ccc2 Patch, Third Party Advisory
Changed	Reference Type	https://www.openwall.com/lists/oss-security/2020/02/05/1 No Types Assigned	https://www.openwall.com/lists/oss-security/2020/02/05/1 Mailing List, Patch, Third Party Advisory

Quick Info

CVE Dictionary Entry:
CVE-2020-1712
NVD Published Date:
03/31/2020
NVD Last Modified:
11/06/2023
Source:
Red Hat, Inc.

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Information Technology Laboratory

National Vulnerability Database

National Vulnerability Database

CVE-2020-1712 Detail

Description

Metrics

References to Advisories, Solutions, and Tools

Weakness Enumeration

Known Affected Software Configurations Switch to CPE 2.2

CPEs loading, please wait.

Change History

CVE Modified by Red Hat, Inc. 5/14/2024 2:41:33 AM

CVE Modified by Red Hat, Inc. 11/06/2023 10:19:28 PM

Modified Analysis by NIST 11/29/2022 11:25:04 AM

CVE Modified by Red Hat, Inc. 6/30/2022 1:15:07 PM

Reanalysis by NIST 1/28/2022 4:24:40 PM

Initial Analysis by NIST 4/10/2020 11:42:07 AM

Quick Info