CVE-2020-1712CWE-416

CVE-2020-1712

High · published March 31, 2020

CVSS v3.1
7.8
EPSS
0%
Percentile
38.6
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.8 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00456 · 38.6th percentile
Weakness
CWE-416 · Use After Free
Published
2020-03-31T21:15Z
Affected products (7)
ProductVersionsFixed in
systemd_project/systemd≤ 244—
redhat/ceph_storageall versions—
redhat/discoveryall versions—
redhat/migration_toolkitall versions—
redhat/openshift_container_platformall versions—
redhat/enterprise_linuxall versions—
debian/debian_linuxall versions—
References (15)
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1712 · [email protected]https://github.com/systemd/systemd/commit/1068447e6954dc6ce52f099ed174c442cb89ed54 · [email protected]https://github.com/systemd/systemd/commit/637486261528e8aa3da9f26a4487dc254f4b7abb · [email protected]https://github.com/systemd/systemd/commit/bc130b6858327b382b07b3985cf48e2aa9016b2d · [email protected]https://github.com/systemd/systemd/commit/ea0d0ede03c6f18dbc5036c5e9cccf97e415ccc2 · [email protected]https://lists.debian.org/debian-lts-announce/2022/06/msg00025.html · [email protected]https://www.openwall.com/lists/oss-security/2020/02/05/1 · [email protected]https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1712 · af854a3a-2127-422b-91ae-364da2661108https://github.com/systemd/systemd/commit/1068447e6954dc6ce52f099ed174c442cb89ed54 · af854a3a-2127-422b-91ae-364da2661108https://github.com/systemd/systemd/commit/637486261528e8aa3da9f26a4487dc254f4b7abb · af854a3a-2127-422b-91ae-364da2661108https://github.com/systemd/systemd/commit/bc130b6858327b382b07b3985cf48e2aa9016b2d · af854a3a-2127-422b-91ae-364da2661108https://github.com/systemd/systemd/commit/ea0d0ede03c6f18dbc5036c5e9cccf97e415ccc2 · af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2022/06/msg00025.html · af854a3a-2127-422b-91ae-364da2661108https://www.openwall.com/lists/oss-security/2020/02/05/1 · af854a3a-2127-422b-91ae-364da2661108https://cert-portal.siemens.com/productcert/html/ssa-398330.html · 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
EPSS history
Timeline
  • 31 MAR 16:44Z
    A heap use-after-free vulnerability was found in systemd before version v245-rc1, where asynchronous Polkit queries are performed while handling dbus messages
    cvelistv5