A vulnerability in unit_deserialize of systemd allows an attacker to supply arbitrary state across systemd re-execution via NotifyAccess. This can be used to improperly influence systemd execution and possibly lead to root privilege escalation. Affected releases are systemd versions up to and including 239.
https://github.com/systemd/systemd/pull/10519
http://www.securityfocus.com/bid/105747
https://www.exploit-db.com/exploits/45714/
https://security.gentoo.org/glsa/201810-10
https://usn.ubuntu.com/3816-1/
https://lists.debian.org/debian-lts-announce/2018/11/msg00017.html
https://access.redhat.com/errata/RHSA-2019:2091
https://access.redhat.com/errata/RHSA-2019:3222
https://access.redhat.com/errata/RHSA-2020:0593
https://lists.apache.org/thread.html/[email protected]%3Cissues.bookkeeper.apache.org%3E
Source: MITRE
Published: 2018-10-26
Updated: 2021-07-28
Type: CWE-502
Base Score: 7.2
Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C
Impact Score: 10
Exploitability Score: 3.9
Severity: HIGH
Base Score: 7.8
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Impact Score: 5.9
Exploitability Score: 1.8
Severity: HIGH