CVE-2011-3872
puppet - programming error
EPSS 2.5%
描述
Puppet 2.6.x before 2.6.12 and 2.7.x before 2.7.6, and Puppet Enterprise (PE) Users 1.0, 1.1, and 1.2 before 1.2.4, when signing an agent certificate, adds the Puppet master's certdnsnames values to the X.509 Subject Alternative Name field of the certificate, which allows remote attackers to spoof a Puppet master via a man-in-the-middle (MITM) attack against an agent that uses an alternate DNS name for the master, aka "AltNames Vulnerability."
如何修補 CVE-2011-3872
要修補 CVE-2011-3872,請將受影響套件升級到下列已修補版本。
- Debian/puppet—升級至 2.7.6-1 或更新版本
- —升級至 0.24.5-3+lenny2 或更新版本
CVE-2011-3872 正在被利用嗎?
低 — EPSS 為 2.5%,目前沒有觀察到大規模利用活動。
受影響套件(2)
- from 0, < 2.7.6-1
- from 0, < 0.24.5-3+lenny2