Rapid7 Vulnerability & Exploit Database

Red Hat: CVE-2020-1712: CVE-2020-1712 systemd: use-after-free when asynchronous polkit queries are performed (Multiple Advisories)

Free InsightVM Trial No Credit Card Necessary
Watch Demo See how it all works
Back to Search

Red Hat: CVE-2020-1712: CVE-2020-1712 systemd: use-after-free when asynchronous polkit queries are performed (Multiple Advisories)

Severity
5
CVSS
(AV:L/AC:L/Au:N/C:P/I:P/A:P)
Published
02/24/2020
Created
02/26/2020
Added
02/25/2020
Modified
12/15/2023

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.

Solution(s)

  • redhat-upgrade-systemd
  • redhat-upgrade-systemd-container
  • redhat-upgrade-systemd-container-debuginfo
  • redhat-upgrade-systemd-debuginfo
  • redhat-upgrade-systemd-debugsource
  • redhat-upgrade-systemd-devel
  • redhat-upgrade-systemd-journal-remote
  • redhat-upgrade-systemd-journal-remote-debuginfo
  • redhat-upgrade-systemd-libs
  • redhat-upgrade-systemd-libs-debuginfo
  • redhat-upgrade-systemd-pam
  • redhat-upgrade-systemd-pam-debuginfo
  • redhat-upgrade-systemd-tests
  • redhat-upgrade-systemd-tests-debuginfo
  • redhat-upgrade-systemd-udev
  • redhat-upgrade-systemd-udev-debuginfo

References

  • CVE-2020-1712
  • RHSA-2020:0575

insightVM

Advanced vulnerability management analytics and reporting.
Key Features
Free InsightVM Trial View All Features

With Rapid7 live dashboards, I have a clear view of all the assets on my network, which ones can be exploited, and what I need to do in order to reduce the risk in my environment in real-time. No other tool gives us that kind of value and insight.

– Scott Cheney, Manager of Information Security, Sierra View Medical Center

;