漏洞信息
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Vulnerability Title
Decidim: Verification documents can be downloaded through reusable links
Vulnerability Description
Decidim is a participatory democracy framework. Prior to 0.30.9, from 0.31.0 before 0.31.5, and in 0.32.0.rc1 before 0.32.0.rc2, the identity-document verification admin UI embeds verification_attachment blobs through reusable signed Active Storage disk URLs, allowing anyone who obtains a URL to download the scanned document without an authenticated Decidim session until the signature expires. Verification-document images are rendered with variant_url(...), which produces signed /rails/active_storage/disk/... links instead of routing the file through an authorization-checking controller. Because Decidim configures Active Storage service URLs to remain valid for seven days, the URL itself becomes the credential for that period. The affected files are verification_attachment blobs on Decidim::Authorization, and the admin review pages embed those signed URLs directly into the HTML for pending and confirmation views. This issue is fixed in versions 0.30.9, 0.31.5, and 0.32.0.rc2.
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Vulnerability Type
信息暴露
Vulnerability Title
Decidim 信息泄露漏洞
Vulnerability Description
Decidim是Decidim组织开源的一个参与式民主框架,用 Ruby on Rails 编写。 Decidim 0.30.9之前版本、0.31.0至0.31.5之前版本和0.32.0.rc1至0.32.0.rc2之前版本存在信息泄露漏洞,该漏洞源于身份文档验证管理UI通过可重用的签名Active Storage磁盘URL嵌入验证附件,且未通过授权检查控制器,导致任何人获取URL后可在签名有效期内无需认证下载扫描文档,造成信息泄露。
CVSS Information
N/A
Vulnerability Type
N/A