CVE-2023-29483
Potential DoS via the Tudoor mechanism in eventlet and dnspython
5.9
MEDIUM
CVSS 3.1
EPSS 1.9%
描述
eventlet before 0.35.2, as used in dnspython before 2.6.0, allows remote attackers to interfere with DNS name resolution by quickly sending an invalid packet from the expected IP address and source port, aka a "TuDoor" attack. In other words, dnspython does not have the preferred behavior in which the DNS name resolution algorithm would proceed, within the full time window, in order to wait for a valid packet. NOTE: dnspython 2.6.0 is unusable for a different reason that was addressed in 2.6.1.
如何修補 CVE-2023-29483
要修補 CVE-2023-29483,請將受影響套件升級到下列已修補版本。
- —升級至 2.6.1 或更新版本
- —升級至 2.6.1 或更新版本
- —升級至 0.35.2 或更新版本
- —升級至 0.35.2 或更新版本
CVE-2023-29483 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(4)
- from 0, < 2.6.1
- from 0, < 2.6.1
- from 0, < 0.35.2
- from 0, < 0.35.2
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.9 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H |