CVE-2021-32066

描述

An issue was discovered in Ruby through 2.6.7, 2.7.x through 2.7.3, and 3.x through 3.0.1. Net::IMAP does not raise an exception when StartTLS fails with an an unknown response, which might allow man-in-the-middle attackers to bypass the TLS protections by leveraging a network position between the client and the registry to block the StartTLS command, aka a "StartTLS stripping attack."

如何修補 CVE-2021-32066

要修補 CVE-2021-32066,請將受影響套件升級到下列已修補版本。

• —升級至 2.6.8-r0 或更新版本

CVE-2021-32066 正在被利用嗎?

低 — EPSS 為 2.9%,目前沒有觀察到大規模利用活動。

受影響套件(1)

• >= 2.6.0, < 2.6.8-r0

CVSS 分數

參考連結(1)

• ADVISORYsecurity.alpinelinux.org/vuln/CVE-2021-32066