Arbitrary Code Injection Affecting ruby2.5 package, versions <2.5.1-1ubuntu1.13


Severity

Recommended
medium

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.52% (78th percentile)

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  • Snyk IDSNYK-UBUNTU1804-RUBY25-3155749
  • published5 Dec 2022
  • disclosed18 Nov 2022

Introduced: 18 Nov 2022

CVE-2021-33621  (opens in a new tab)
CWE-74  (opens in a new tab)

How to fix?

Upgrade Ubuntu:18.04 ruby2.5 to version 2.5.1-1ubuntu1.13 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.

The cgi gem before 0.1.0.2, 0.2.x before 0.2.2, and 0.3.x before 0.3.5 for Ruby allows HTTP response splitting. This is relevant to applications that use untrusted user input either to generate an HTTP response or to create a CGI::Cookie object.

CVSS Scores

version 3.1