CVE-2020-7247
opensmtpd - security update
9.8
CRITICAL
CVSS 3.1
⚠ KEVEPSS 98.9%
描述
smtp_mailaddr in smtp_session.c in OpenSMTPD 6.6, as used in OpenBSD 6.6 and other products, allows remote attackers to execute arbitrary commands as root via a crafted SMTP session, as demonstrated by shell metacharacters in a MAIL FROM field. This affects the "uncommented" default configuration. The issue exists because of an incorrect return value upon failure of input validation.
如何修補 CVE-2020-7247
要修補 CVE-2020-7247,請將受影響套件升級到下列已修補版本。
- —升級至 6.6.2p1-r0 或更新版本
- —升級至 6.6.2p1-1 或更新版本
- —升級至 6.0.2p1-2+deb9u2 或更新版本
CVE-2020-7247 正在被利用嗎?
是 — CVE-2020-7247 已列入 CISA Known Exploited Vulnerabilities (KEV) 清單,代表正在被實際利用,請立即修補。
受影響套件(3)
- from 0, < 6.6.2p1-r0
- from 0, < 6.6.2p1-1
- from 0, < 6.0.2p1-2+deb9u2
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |