CVE-2023-48220— Decidim's devise_invitable gem vulnerable to circumvention of invitation token expiry period

Decidim's devise_invitable gem vulnerable to circumvention of invitation token expiry period

Decidim is a participatory democracy framework. Starting in version 0.4.rc3 and prior to version 2.0.9 of the `devise_invitable` gem, the invites feature allows users to accept the invitation for an unlimited amount of time through the password reset functionality. This issue creates vulnerable dependencies starting in version 0.0.1.alpha3 and prior to versions 0.26.9, 0.27.5, and 0.28.0 of the `decidim,` `decidim-admin`, and `decidim-system` gems. When using the password reset functionality, the `devise_invitable` gem always accepts the pending invitation if the user has been invited. The only check done is if the user has been invited but the code does not ensure that the pending invitation is still valid as defined by the `invite_for` expiry period. Decidim sets this configuration to `2.weeks` so this configuration should be respected. The bug is in the `devise_invitable` gem and should be fixed there and the dependency should be upgraded in Decidim once the fix becomes available. `devise_invitable` to version `2.0.9` and above fix this issue. Versions 0.26.9, 0.27.5, and 0.28.0 of the `decidim,` `decidim-admin`, and `decidim-system` gems contain this fix. As a workaround, invitations can be cancelled directly from the database.

CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:N

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Decidim 安全漏洞

Decidim是一个参与式民主框架，用 Ruby on Rails 编写。 Decidim 、decidim-admin、decidim-system、devise_invitable 0.26.9、0.27.5 和 0.28.0 之前版本存在安全漏洞，该漏洞源于邀请功能允许用户通过密码重置功能无限期地接受邀请。

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