CVE-2020-8622
bind9 - security update
6.5
MEDIUM
CVSS 3.1
EPSS 5.5%
描述
In BIND 9.0.0 -> 9.11.21, 9.12.0 -> 9.16.5, 9.17.0 -> 9.17.3, also affects 9.9.3-S1 -> 9.11.21-S1 of the BIND 9 Supported Preview Edition, An attacker on the network path for a TSIG-signed request, or operating the server receiving the TSIG-signed request, could send a truncated response to that request, triggering an assertion failure, causing the server to exit. Alternately, an off-path attacker would have to correctly guess when a TSIG-signed request was sent, along with other characteristics of the packet and message, and spoof a truncated response to trigger an assertion failure, causing the server to exit.
如何修補 CVE-2020-8622
要修補 CVE-2020-8622,請將受影響套件升級到下列已修補版本。
- —升級至 9.16.6-r0 或更新版本
CVE-2020-8622 正在被利用嗎?
中等 — EPSS 為 5.5%,可持續追蹤但非最高優先。
受影響套件(1)
- >= 9.0.0, < 9.16.6-r0
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |