Reliance on Cookies without Validation and Integrity Checking Affecting ruby2.5 package, versions <2.5.1-1ubuntu1.11


Severity

Recommended
medium

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.75% (82nd percentile)

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  • Snyk IDSNYK-UBUNTU1804-RUBY25-2308177
  • 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:18.04 ruby2.5 to version 2.5.1-1ubuntu1.11 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream ruby2.5 package and not the ruby2.5 package as distributed by Ubuntu. See How to fix? for Ubuntu:18.04 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 Scores

version 3.1