Reliance on Cookies without Validation and Integrity Checking Affecting ruby2.7 package, versions <2.7.0-5ubuntu1.6


Severity

Recommended
medium

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.76% (74th percentile)

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  • Snyk IDSNYK-UBUNTU2004-RUBY27-2308176
  • published3 Dec 2021
  • disclosed1 Jan 2022

Introduced: 3 Dec 2021

CVE-2021-41819  (opens in a new tab)
CWE-565  (opens in a new tab)

How to fix?

Upgrade Ubuntu:20.04 ruby2.7 to version 2.7.0-5ubuntu1.6 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream ruby2.7 package and not the ruby2.7 package as distributed by Ubuntu. See How to fix? for Ubuntu:20.04 relevant fixed versions and status.

CGI::Cookie.parse in Ruby through 2.6.8 mishandles security prefixes in cookie names. This also affects the CGI gem through 0.3.0 for Ruby.

CVSS Base Scores

version 3.1