Resource Exhaustion Affecting ruby:2.5/rubygem-net-telnet package, versions <0:0.1.1-107.module+el8.4.0+10822+fe4fffb1


Severity

Recommended
medium

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.72% (82nd percentile)

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  • Snyk IDSNYK-RHEL8-RUBY-4100118
  • published26 Jul 2021
  • disclosed1 Oct 2019

Introduced: 1 Oct 2019

CVE-2019-16201  (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 0:0.1.1-107.module+el8.4.0+10822+fe4fffb1 or higher.
This issue was patched in RHSA-2021:2587.

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.

WEBrick::HTTPAuth::DigestAuth in Ruby through 2.4.7, 2.5.x through 2.5.6, and 2.6.x through 2.6.4 has a regular expression Denial of Service cause by looping/backtracking. A victim must expose a WEBrick server that uses DigestAuth to the Internet or a untrusted network.

CVSS Scores

version 3.1