CVE-2021-31439
netatalk - security update
8.8
HIGH
CVSS 3.1
EPSS 2.3%
描述
This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of Synology DiskStation Manager. Authentication is not required to exploit this vulnerablity. The specific flaw exists within the processing of DSI structures in Netatalk. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-12326.
如何修補 CVE-2021-31439
要修補 CVE-2021-31439,請將受影響套件升級到下列已修補版本。
- —升級至 3.1.12~ds-8+deb11u1 或更新版本
- —升級至 3.1.12~ds-3+deb10u1 或更新版本
- —升級至 3.1.12~ds-8+deb11u1 或更新版本
CVE-2021-31439 正在被利用嗎?
低 — EPSS 為 2.3%,目前沒有觀察到大規模利用活動。
受影響套件(3)
- from 0, < 3.1.12~ds-8+deb11u1
- from 0, < 3.1.12~ds-3+deb10u1
- from 0, < 3.1.12~ds-8+deb11u1
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.8 | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |