CVE-2022-3821
Published: 8 November 2022
An off-by-one Error issue was discovered in Systemd in format_timespan() function of time-util.c. An attacker could supply specific values for time and accuracy that leads to buffer overrun in format_timespan(), leading to a Denial of Service.
Notes
| Author | Note |
|---|---|
| 0xnishit | For trusty, time-util.c resides in src/shared/time-util.c |
Priority
Status
| Package | Release | Status |
|---|---|---|
|
systemd Launchpad, Ubuntu, Debian |
bionic |
Released
(237-3ubuntu10.57)
|
| focal |
Released
(245.4-4ubuntu3.20)
|
|
| kinetic |
Not vulnerable
(251.4-1ubuntu7)
|
|
| upstream |
Needs triage
|
|
| trusty |
Released
(204-5ubuntu20.31+esm2)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only) |
|
| jammy |
Released
(249.11-0ubuntu3.7)
|
|
| xenial |
Released
(229-4ubuntu21.31+esm3)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only) |
|
|
Patches: upstream: https://github.com/systemd/systemd/commit/9102c625a673a3246d7e73d8737f3494446bad4e |
||
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 5.5 |
| Attack vector | Local |
| Attack complexity | Low |
| Privileges required | Low |
| User interaction | None |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity impact | None |
| Availability impact | High |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |