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Security Advisories: GSA_kwCzR0hTQS1qbTc5LTlwbTQtdnJ3Oc4AA0m2

Decidim vulnerable to sensitive data disclosure

Note: added the actual report as a comment.

Summary

Decidim, a platform for digital citizen participation, uses a third-party library named Ransack for filtering certain database collections (e.g., public meetings). By default, this library allows filtering on all data attributes and associations. This allows an unauthenticated remote attacker to exfiltrate non-public data from the underlying database of a Decidim instance (e.g., exfiltrating data from the user table).

Impact

This issue may lead to Sensitive Data Disclosure.

Patches

The problem was patched in v0.27.3.

Workarounds

Disable or unpublish all meetings components from your application.

Permalink: https://github.com/advisories/GHSA-jm79-9pm4-vrw9
JSON: https://advisories.ecosyste.ms/api/v1/advisories/GSA_kwCzR0hTQS1qbTc5LTlwbTQtdnJ3Oc4AA0m2
Source: GitHub Advisory Database
Origin: Unspecified
Severity: High
Classification: General
Published: over 1 year ago
Updated: about 1 year ago


CVSS Score: 7.5
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Identifiers: GHSA-jm79-9pm4-vrw9, CVE-2023-34090
References: Repository: https://github.com/decidim/decidim
Blast Radius: 18.7

Affected Packages

rubygems:decidim-meetings
Dependent packages: 12
Dependent repositories: 311
Downloads: 287,197 total
Affected Version Ranges: >= 0.27.0, < 0.27.3
Fixed in: 0.27.3
All affected versions: 0.27.0, 0.27.1, 0.27.2
All unaffected versions: 0.0.1, 0.0.2, 0.0.3, 0.0.5, 0.0.6, 0.0.7, 0.1.0, 0.2.0, 0.3.0, 0.3.1, 0.3.2, 0.4.0, 0.4.1, 0.4.2, 0.4.3, 0.4.4, 0.5.0, 0.5.1, 0.6.0, 0.6.1, 0.6.2, 0.6.3, 0.6.4, 0.6.5, 0.6.6, 0.6.7, 0.6.8, 0.7.0, 0.7.1, 0.7.2, 0.7.3, 0.7.4, 0.8.0, 0.8.1, 0.8.2, 0.8.3, 0.8.4, 0.9.0, 0.9.1, 0.9.2, 0.9.3, 0.10.0, 0.10.1, 0.11.1, 0.11.2, 0.12.0, 0.12.1, 0.12.2, 0.13.0, 0.13.1, 0.14.1, 0.14.2, 0.14.3, 0.14.4, 0.15.0, 0.15.1, 0.15.2, 0.16.0, 0.16.1, 0.17.0, 0.17.1, 0.17.2, 0.18.0, 0.18.1, 0.19.0, 0.19.1, 0.20.0, 0.20.1, 0.21.0, 0.22.0, 0.23.0, 0.23.1, 0.23.2, 0.23.3, 0.23.4, 0.23.5, 0.23.6, 0.24.0, 0.24.1, 0.24.2, 0.24.3, 0.25.0, 0.25.1, 0.25.2, 0.26.0, 0.26.1, 0.26.2, 0.26.3, 0.26.4, 0.26.5, 0.26.6, 0.26.7, 0.26.8, 0.26.9, 0.26.10, 0.27.3, 0.27.4, 0.27.5, 0.27.6, 0.27.7, 0.27.8, 0.27.9, 0.28.0, 0.28.1, 0.28.2, 0.28.3, 0.28.4, 0.29.0, 0.29.1
rubygems:decidim
Dependent packages: 6
Dependent repositories: 312
Downloads: 348,227 total
Affected Version Ranges: >= 0.27.0, < 0.27.3
Fixed in: 0.27.3
All affected versions: 0.27.0, 0.27.1, 0.27.2
All unaffected versions: 0.0.1, 0.0.2, 0.0.3, 0.0.4, 0.0.5, 0.0.6, 0.0.7, 0.1.0, 0.2.0, 0.3.0, 0.3.1, 0.3.2, 0.4.0, 0.4.1, 0.4.2, 0.4.3, 0.4.4, 0.5.0, 0.5.1, 0.6.0, 0.6.1, 0.6.2, 0.6.3, 0.6.4, 0.6.5, 0.6.6, 0.6.7, 0.6.8, 0.7.0, 0.7.1, 0.7.2, 0.7.3, 0.7.4, 0.8.0, 0.8.1, 0.8.2, 0.8.3, 0.8.4, 0.9.0, 0.9.1, 0.9.2, 0.9.3, 0.10.0, 0.10.1, 0.11.1, 0.11.2, 0.12.0, 0.12.1, 0.12.2, 0.13.0, 0.13.1, 0.14.1, 0.14.2, 0.14.3, 0.14.4, 0.15.0, 0.15.1, 0.15.2, 0.16.0, 0.16.1, 0.17.0, 0.17.1, 0.17.2, 0.18.0, 0.18.1, 0.19.0, 0.19.1, 0.20.0, 0.20.1, 0.21.0, 0.22.0, 0.23.0, 0.23.1, 0.23.2, 0.23.3, 0.23.4, 0.23.5, 0.23.6, 0.24.0, 0.24.1, 0.24.2, 0.24.3, 0.25.0, 0.25.1, 0.25.2, 0.26.0, 0.26.1, 0.26.2, 0.26.3, 0.26.4, 0.26.5, 0.26.6, 0.26.7, 0.26.8, 0.26.9, 0.26.10, 0.27.3, 0.27.4, 0.27.5, 0.27.6, 0.27.7, 0.27.8, 0.27.9, 0.28.0, 0.28.1, 0.28.2, 0.28.3, 0.28.4, 0.29.0, 0.29.1