Out-of-bounds Read Affecting rubygem-psych package, versions <0:4.0.4-143.module+el8.10.0+21792+e2f63d26


Severity

Recommended
0.0
medium
0
10

Based on CentOS security rating

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 ID SNYK-CENTOS8-RUBYGEMPSYCH-6682126
  • published 27 Apr 2024
  • disclosed 23 Apr 2024

How to fix?

Upgrade Centos:8 rubygem-psych to version 0:4.0.4-143.module+el8.10.0+21792+e2f63d26 or higher.

NVD Description

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

An issue was discovered in Ruby 3.x through 3.3.0. If attacker-supplied data is provided to the Ruby regex compiler, it is possible to extract arbitrary heap data relative to the start of the text, including pointers and sensitive strings. The fixed versions are 3.0.7, 3.1.5, 3.2.4, and 3.3.1.

CVSS Scores

version 3.1
Expand this section

Red Hat

6.6 medium
  • Attack Vector (AV)
    Local
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    Required
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    High
  • Integrity (I)
    Low
  • Availability (A)
    Low