CVE-2020-1712: systemd through 244 (inclusive), before v245-rc1; +9 more affected products

Affected technology

systemd · through 244 (inclusive)
systemd project

ceph storage · 4.0
redhat

discovery · Version not applicable in the source CPE
redhat

migration toolkit · 1.0
redhat

openshift container platform · 4.0
redhat

enterprise linux · 8.0
redhat

debian linux · 9.0
debian

systemd · before v245-rc1
[UNKNOWN]

SIMATIC S7-1500 CPU 1518-4 PN/DP MFP · V3.1.0 to before V3.1.5
Siemens

SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP · V3.1.0 to before V3.1.5
Siemens

SIPLUS S7-1500 CPU 1518-4 PN/DP MFP · V3.1.0 to before V3.1.5
Siemens

Description’s affected range: before version v245-rc1, where asynchronous Polkit queries are performed while handling dbus messages

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 3.1): Local · Low privileges required · No user interaction required

Attack conditions (NVD, CVSS 3.1): Local · Low privileges required · No user interaction required

What an attacker can do

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. Vendor/CNA’s CVSS 3.1 assessment (base score 7.8/10) rates confidentiality, integrity and availability impact as high. NVD’s CVSS 3.1 assessment (base score 7.8/10) rates confidentiality, integrity and availability impact as high.