CVE-2024-27281

Affected: ruby rdoc

An issue was discovered in RDoc 6.3.3 through 6.6.2, as distributed in Ruby 3.x through 3.3.0. When parsing .rdoc_options (used for configuration in RDoc) as a YAML file, object injection and resultant remote code execution are possible because there are no restrictions on the classes that can be restored. (When loading the documentation cache, object injection and resultant remote code execution are also possible if there were a crafted cache.) The main fixed version is 6.6.3.1. For Ruby 3.0 users, a fixed version is rdoc 6.3.4.1. For Ruby 3.1 users, a fixed version is rdoc 6.4.1.1. For Ruby 3.2 users, a fixed version is rdoc 6.5.1.1.

USN-6838-1 — ruby2.7, ruby3.0, ruby3.1, ruby3.2 vulnerabilities

Affected: Ubuntu:20.04:LTS: ruby2.7, Ubuntu:22.04:LTS: ruby3.0, Ubuntu:24.04:LTS: ruby3.2

It was discovered that Ruby RDoc incorrectly parsed certain YAML files. If a user or automated system were tricked into parsing a specially crafted .rdoc_options file, a remote attacker could possibly use this issue to execute arbitrary code. (CVE-2024-27281)

It was discovered that the Ruby regex compiler incorrectly handled certain memory operations. A remote attacker could possibly use this issue to obtain sensitive memory contents. (CVE-2024-27282)

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CVE-2024-27281

USN-6838-1 — ruby2.7, ruby3.0, ruby3.1, ruby3.2 vulnerabilities