Improper Handling of Exceptional Conditions Affecting ruby:2.5/rubygem-json package, versions <0:2.1.0-109.module_el8.5.0+2627+d9c243ca


Severity

Recommended
medium

Based on AlmaLinux security rating.

Threat Intelligence

EPSS
0.24% (65th percentile)

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  • Snyk IDSNYK-ALMALINUX8-RUBY-5610268
  • published28 May 2023
  • disclosed5 Aug 2021

Introduced: 5 Aug 2021

CVE-2021-32066  (opens in a new tab)
CWE-755  (opens in a new tab)

How to fix?

Upgrade AlmaLinux:8 ruby:2.5/rubygem-json to version 0:2.1.0-109.module_el8.5.0+2627+d9c243ca or higher.
This issue was patched in ALSA-2022:0672.

NVD Description

Note: Versions mentioned in the description apply only to the upstream ruby:2.5/rubygem-json package and not the ruby:2.5/rubygem-json package as distributed by AlmaLinux. See How to fix? for AlmaLinux:8 relevant fixed versions and status.

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."

CVSS Scores

version 3.1