Resource Exhaustion Affecting ruby:2.5/rubygem-net-telnet package, versions <0:0.1.1-110.module+el8.6.0+15956+aa803fc1


Severity

Recommended
medium

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.74% (82nd percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications

Snyk Learn

Learn about Resource Exhaustion vulnerabilities in an interactive lesson.

Start learning
  • Snyk IDSNYK-RHEL8-RUBY-4314212
  • published20 Nov 2021
  • disclosed15 Nov 2021

Introduced: 15 Nov 2021

CVE-2021-41817  (opens in a new tab)
CWE-400  (opens in a new tab)

How to fix?

Upgrade RHEL:8 ruby:2.5/rubygem-net-telnet to version 0:0.1.1-110.module+el8.6.0+15956+aa803fc1 or higher.
This issue was patched in RHSA-2022:5779.

NVD Description

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

Date.parse in the date gem through 3.2.0 for Ruby allows ReDoS (regular expression Denial of Service) via a long string. The fixed versions are 3.2.1, 3.1.2, 3.0.2, and 2.0.1.

CVSS Scores

version 3.1