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Debian Security Bug TrackerDEBIANCVE:CVE-2022-3821HistoryNov 08, 2022 - 10:15 p.m.
CVE-2022-3821
2022-11-0822:15:16
Debian Security Bug Tracker
security-tracker.debian.org
18
cve-2022-3821
systemd
buffer overrun
time-util.c
format_timespan()
denial of service
unix
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
0.001 Low
EPSS
Percentile
32.7%
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.
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| Debian | 12 | all | systemd | < 251.3-1 | systemd_251.3-1_all.deb |
| Debian | 11 | all | systemd | < 247.3-7+deb11u2 | systemd_247.3-7+deb11u2_all.deb |
| Debian | 999 | all | systemd | < 251.3-1 | systemd_251.3-1_all.deb |
| Debian | 13 | all | systemd | < 251.3-1 | systemd_251.3-1_all.deb |
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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
0.001 Low
EPSS
Percentile
32.7%
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