CVE-2020-1712

2020-02-0500:00:00

ubuntu.com

4.6 Medium

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

0.001 Low

EPSS

Percentile

22.0%

JSON

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.

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchsystemd< 237-3ubuntu10.38UNKNOWN
ubuntu19.10noarchsystemd< 242-7ubuntu3.6UNKNOWN
ubuntu20.04noarchsystemd< 244.1-0ubuntu3UNKNOWN
ubuntu20.10noarchsystemd< 244.1-0ubuntu3UNKNOWN
ubuntu21.04noarchsystemd< 244.1-0ubuntu3UNKNOWN
ubuntu21.10noarchsystemd< 244.1-0ubuntu3UNKNOWN
ubuntu22.04noarchsystemd< 244.1-0ubuntu3UNKNOWN
ubuntu22.10noarchsystemd< 244.1-0ubuntu3UNKNOWN
ubuntu23.04noarchsystemd< 244.1-0ubuntu3UNKNOWN
ubuntu23.10noarchsystemd< 244.1-0ubuntu3UNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	18.04	noarch	systemd	< 237-3ubuntu10.38	UNKNOWN
ubuntu	19.10	noarch	systemd	< 242-7ubuntu3.6	UNKNOWN
ubuntu	20.04	noarch	systemd	< 244.1-0ubuntu3	UNKNOWN
ubuntu	20.10	noarch	systemd	< 244.1-0ubuntu3	UNKNOWN
ubuntu	21.04	noarch	systemd	< 244.1-0ubuntu3	UNKNOWN
ubuntu	21.10	noarch	systemd	< 244.1-0ubuntu3	UNKNOWN
ubuntu	22.04	noarch	systemd	< 244.1-0ubuntu3	UNKNOWN
ubuntu	22.10	noarch	systemd	< 244.1-0ubuntu3	UNKNOWN
ubuntu	23.04	noarch	systemd	< 244.1-0ubuntu3	UNKNOWN
ubuntu	23.10	noarch	systemd	< 244.1-0ubuntu3	UNKNOWN