CVE-2024-49761 – rexml

Package

Manager: gem
Name: rexml
Vulnerable Version: >=0 <3.3.9

Severity

Level: Medium

CVSS v3.1: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U

EPSS: 0.01203 pctl0.78159

Details

REXML ReDoS vulnerability ### Impact The REXML gem before 3.3.9 has a ReDoS vulnerability when it parses an XML that has many digits between `&#` and `x...;` in a hex numeric character reference (`&#x...;`). This does not happen with Ruby 3.2 or later. Ruby 3.1 is the only affected maintained Ruby. Note that Ruby 3.1 will reach EOL on 2025-03. ### Patches The REXML gem 3.3.9 or later include the patch to fix the vulnerability. ### Workarounds Use Ruby 3.2 or later instead of Ruby 3.1. ### References * https://www.ruby-lang.org/en/news/2024/10/28/redos-rexml-cve-2024-49761/: An announce on www.ruby-lang.org

Metadata

Created: 2024-10-28T14:10:18Z
Modified: 2024-12-27T18:30:26Z
Source: https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2024/10/GHSA-2rxp-v6pw-ch6m/GHSA-2rxp-v6pw-ch6m.json
CWE IDs: ["CWE-1333"]
Alternative ID: GHSA-2rxp-v6pw-ch6m
Finding: F211
Auto approve: 1