CVE-2020-1712

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.

CVSS v3.0 7.8 HIGH
CVSS v2.0 4.6 MEDIUM

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CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

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CVSS v2.0 : MEDIUM

V2 Legend

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

Exploitability : 3.9 / Impact : 6.4

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
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
https://github.com/systemd/systemd/commit/1068447e6954dc6ce52f099ed174c442cb89ed54	Patch Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1712	Issue Tracking 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://lists.debian.org/debian-lts-announce/2022/06/msg00025.html	Mailing List Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:systemd_project:systemd:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR	cpe:2.3:o:redhat:enterprise_linux:8.0:::::::*
	cpe:2.3:a:redhat:openshift_container_platform:4.0:::::::*
	cpe:2.3:a:redhat:discovery:-:::::::*
	cpe:2.3:a:redhat:migration_toolkit:1.0:::::::*
	cpe:2.3:a:redhat:ceph_storage:4.0:::::::*

Configuration 3 (hide)

cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

Information

Published : 2020-03-31 10:15

Updated : 2022-11-29 08:25

NVD link : CVE-2020-1712

Mitre link : CVE-2020-1712

JSON object : View

CWE

CWE-416

Use After Free

Products Affected

systemd_project

systemd

redhat

enterprise_linux
discovery
openshift_container_platform
migration_toolkit
ceph_storage

debian

debian_linux

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