CVE-2021-3571
7.1
HIGH
CVSS 3.1
EPSS 1.9%
描述
A flaw was found in the ptp4l program of the linuxptp package. When ptp4l is operating on a little-endian architecture as a PTP transparent clock, a remote attacker could send a crafted one-step sync message to cause an information leak or crash. The highest threat from this vulnerability is to data confidentiality and system availability. This flaw affects linuxptp versions before 3.1.1 and before 2.0.1.
如何修補 CVE-2021-3571
要修補 CVE-2021-3571,請將受影響套件升級到下列已修補版本。
- —升級至 3.1-2.1 或更新版本
CVE-2021-3571 正在被利用嗎?
低 — EPSS 為 1.9%,目前沒有觀察到大規模利用活動。
受影響套件(1)
- from 0, < 3.1-2.1
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.1 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H |