Ubuntu.comUB:CVE-2022-3821CVE-2022-3821
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
1.7 Low
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:L/AC:L/Au:S/C:N/I:N/A:P
0.0004 Low
EPSS
Percentile
12.0%
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.
Bugs
- <https://github.com/systemd/systemd/issues/23928>
- <https://bugzilla.redhat.com/show_bug.cgi?id=2139327>
Notes
| Author | Note |
|---|---|
| 0xnishit | For trusty, time-util.c resides in src/shared/time-util.c |
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| ubuntu | 18.04 | noarch | systemd | < 237-3ubuntu10.57 | UNKNOWN |
| ubuntu | 20.04 | noarch | systemd | < 245.4-4ubuntu3.20 | UNKNOWN |
| ubuntu | 22.04 | noarch | systemd | < 249.11-0ubuntu3.7 | UNKNOWN |
| ubuntu | 14.04 | noarch | systemd | < 204-5ubuntu20.31+esm2) Available with Ubuntu Pro or Ubuntu Pro (Infra-only | UNKNOWN |
| ubuntu | 16.04 | noarch | systemd | < 229-4ubuntu21.31+esm3) Available with Ubuntu Pro or Ubuntu Pro (Infra-only | UNKNOWN |
Related
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
1.7 Low
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:L/AC:L/Au:S/C:N/I:N/A:P
0.0004 Low
EPSS
Percentile
12.0%