systemd vulnerabilities

2023-03-0707:35:51

Google

osv.dev

systemd

ubuntu

vulnerabilities

security

denial of service

buffer overrun

exposure of sensitive information

deadlock

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

7.1 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

32.7%

JSON

It was discovered that systemd did not properly validate the time and
accuracy values provided to the format_timespan() function. An attacker
could possibly use this issue to cause a buffer overrun, leading to a
denial of service attack. This issue only affected Ubuntu 14.04 ESM, Ubuntu
16.04 ESM, Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, and Ubuntu 22.04 LTS.
(CVE-2022-3821)

It was discovered that systemd did not properly manage the fs.suid_dumpable
kernel configurations. A local attacker could possibly use this issue to
expose sensitive information. This issue only affected Ubuntu 20.04 LTS,
Ubuntu 22.04 LTS, and Ubuntu 22.10. (CVE-2022-4415)

It was discovered that systemd did not properly manage a crash with long
backtrace data. A local attacker could possibly use this issue to cause a
deadlock, leading to a denial of service attack. This issue only affected
Ubuntu 22.10. (CVE-2022-45873)