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.
Se descubrió un problema de error de uno en uno en Systemd en la función format_timespan() de time-util.c. Un atacante podría proporcionar valores específicos de tiempo y precisión que provoquen una saturación del búfer en format_timespan(), lo que provocará una Denegación de Servicio (DoS).
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
| Attack Vector | LOCAL |
|---|---|
| Attack Complexity | LOW |
| Privileges Required | LOW |
| User Interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality Impact | NONE |
| Integrity Impact | NONE |
| Availability Impact | HIGH |
| Source | Type | Description |
|---|---|---|
| [email protected] | Secondary |
en
CWE-193
|
| Vendor | Product | Version | Update | Type |
|---|---|---|---|---|
| systemd_project | systemd | * | <built-in method update of dict object at 0x7fd386757400> | Application |
| redhat | enterprise_linux | 8.0 | <built-in method update of dict object at 0x7fd2a1e26100> | Operating System |
| redhat | enterprise_linux | 9.0 | <built-in method update of dict object at 0x7fd39c4bbe80> | Operating System |
| fedoraproject | fedora | 35 | <built-in method update of dict object at 0x7fd39c4a7e00> | Operating System |
| Vulnerable | CPE |
|---|---|
| Yes | cpe:2.3:a:systemd_project:systemd:*:*:*:*:*:*:*:* |
| Vulnerable | CPE |
|---|---|
| Yes | cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* |
| Yes | cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:* |
| Vulnerable | CPE |
|---|---|
| Yes | cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:* |