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CVE-2023-47634— Decidim has race condition in Endorsements

Quick assessment

Affected
decidim decidim
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Decidim是一个参与式民主框架，用 Ruby on Rails 编写。 Decidim存在安全漏洞，该漏洞源于存在竞争条件。

CVSS 3.1 · Low EPSS 0.44% · P37

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2023-47634

Vulnerability Information
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Vulnerability Title
Decidim has race condition in Endorsements
Source: CVE Program / CVE List V5
Vulnerability Description
Decidim is a participatory democracy framework. Starting in version 0.10.0 and prior to versions 0.26.9, 0.27.5, and 0.28.0, a race condition in the endorsement of resources (for instance, a proposal) allows a user to make more than once endorsement. To exploit this vulnerability, the request to set an endorsement must be sent several times in parallel. Versions 0.26.9, 0.27.5, and 0.28.0 contain a patch for this issue. As a workaround, disable the Endorsement feature in the components.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
使用共享资源的并发执行不恰当同步问题(竞争条件)
Source: CVE Program / CVE List V5
Vulnerability Title
Decidim 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Decidim是一个参与式民主框架，用 Ruby on Rails 编写。 Decidim存在安全漏洞，该漏洞源于存在竞争条件。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
decidim decidim >= 0.10.0, < 0.26.9 -

II. Public POCs for CVE-2023-47634

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III. Intelligence Information for CVE-2023-47634

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Vendor Advisories for CVE-2023-47634 (1)

Other References for CVE-2023-47634 (3)

Same Patch Batch · decidim · 2024-02-20 · 4 CVEs total

CVE-2023-51447 6.3 MEDIUM Decidim vulnerable to cross-site scripting (XSS) in the dynamic file uploads
CVE-2023-48220 5.7 MEDIUM Decidim's devise_invitable gem vulnerable to circumvention of invitation token expiry peri
CVE-2023-47635 4.5 MEDIUM Decidim vulnerable to possible CSRF attack at questionnaire templates preview

IV. Related Vulnerabilities

Same product: decidim
Same vendor: decidim
Same weakness: CWE-362

V. Comments for CVE-2023-47634

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