CVE-2020-25647
7.6
HIGH
CVSS 3.1
EPSS 0.79%
描述
A flaw was found in grub2 in versions prior to 2.06. During USB device initialization, descriptors are read with very little bounds checking and assumes the USB device is providing sane values. If properly exploited, an attacker could trigger memory corruption leading to arbitrary code execution allowing a bypass of the Secure Boot mechanism. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
如何修補 CVE-2020-25647
要修補 CVE-2020-25647,請將受影響套件升級到下列已修補版本。
- —升級至 2.06-r0 或更新版本
- —升級至 2.04-16 或更新版本
CVE-2020-25647 正在被利用嗎?
低 — EPSS 為 0.8%,目前沒有觀察到大規模利用活動。
受影響套件(2)
- from 0, < 2.06-r0
- from 0, < 2.04-16
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.6 | CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H |