Inefficient Regular Expression Complexity Affecting rubygem-net-telnet package, versions <0:0.2.0-139.module+el8.8.0+21111+2e34bf27


Severity

Recommended
0.0
medium
0
10

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.48% (77th percentile)

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  • Snyk IDSNYK-ORACLE8-RUBYGEMNETTELNET-5768358
  • published9 Jul 2023
  • disclosed31 Mar 2023

Introduced: 31 Mar 2023

CVE-2023-28756  (opens in a new tab)
CWE-1333  (opens in a new tab)

How to fix?

Upgrade Oracle:8 rubygem-net-telnet to version 0:0.2.0-139.module+el8.8.0+21111+2e34bf27 or higher.
This issue was patched in ELSA-2023-3821.

NVD Description

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

A ReDoS issue was discovered in the Time component through 0.2.1 in Ruby through 3.2.1. The Time parser mishandles invalid URLs that have specific characters. It causes an increase in execution time for parsing strings to Time objects. The fixed versions are 0.1.1 and 0.2.2.

CVSS Scores

version 3.1