CVE-2017-6519
9.1
CRITICAL
CVSS 3.1
EPSS 3.1%
描述
avahi-daemon in Avahi through 0.6.32 and 0.7 inadvertently responds to IPv6 unicast queries with source addresses that are not on-link, which allows remote attackers to cause a denial of service (traffic amplification) and may cause information leakage by obtaining potentially sensitive information from the responding device via port-5353 UDP packets. NOTE: this may overlap CVE-2015-2809.
如何修補 CVE-2017-6519
要修補 CVE-2017-6519,請將受影響套件升級到下列已修補版本。
- —升級至 0.7-r2 或更新版本
- —升級至 0.7-5 或更新版本
CVE-2017-6519 正在被利用嗎?
低 — EPSS 為 3.1%,目前沒有觀察到大規模利用活動。
受影響套件(2)
- from 0, < 0.7-r2
- from 0, < 0.7-5
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.1 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H |