CVE-2021-32066

High

Description

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."

SeverityHigh
CVSS7.4
Exploit probability—
ProductRuby
PublishedAug 1, 2021
First seenAug 1, 2021

How to fix

Update
  • oracle jd_edwards_enterpriseone_tools9.2.6.1 or later

Affected products

ProductAffected versionsFixed in
ruby-lang ruby2.6.0 ≤ v ≤ 2.6.7, 2.7.0 ≤ v ≤ 2.7.3, 3.0.0 ≤ v ≤ 3.0.1—
oracle jd_edwards_enterpriseone_toolsv < 9.2.6.19.2.6.1

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