CVE-2016-2120
pdns - security update
6.5
MEDIUM
CVSS 3.1
EPSS 2.0%
描述
An issue has been found in PowerDNS Authoritative Server versions up to and including 3.4.10, 4.0.1 allowing an authorized user to crash the server by inserting a specially crafted record in a zone under their control then sending a DNS query for that record. The issue is due to an integer overflow when checking if the content of the record matches the expected size, allowing an attacker to cause a read past the buffer boundary.
如何修補 CVE-2016-2120
要修補 CVE-2016-2120,請將受影響套件升級到下列已修補版本。
- —升級至 4.0.2-1 或更新版本
- —升級至 3.1-4.1+deb7u3 或更新版本
- —升級至 3.4.1-4+deb8u7 或更新版本
CVE-2016-2120 正在被利用嗎?
低 — EPSS 為 2.0%,目前沒有觀察到大規模利用活動。
受影響套件(3)
- from 0, < 4.0.2-1
- from 0, < 3.1-4.1+deb7u3
- from 0, < 3.4.1-4+deb8u7
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.5 | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |