CVE-2023-47634 Vulnerability Analysis & Exploit Details

CVE-2023-47634
Vulnerability Scoring

3.1
/10
Moderate Risk

Exploiting CVE-2023-47634 requires specific conditions, leading to a moderate security impact.

Attack Complexity Details

  • Attack Complexity: High
    Exploits require significant effort and special conditions.
  • Attack Vector: Network
    Vulnerability is exploitable over a network without physical access.
  • Privileges Required: Low
    Some privileges are necessary to exploit the vulnerability.
  • Scope: Unchanged
    Exploit remains within the originally vulnerable component.
  • User Interaction: None
    No user interaction is necessary for exploitation.

CVE-2023-47634 Details

Status: Analyzed

Last updated: 🕔 14 Feb 2025, 17:29 UTC
Originally published on: 🕜 29 Feb 2024, 01:41 UTC

Time between publication and last update: 351 days

CVSS Release: version 3

CVSS3 Source

security-advisories@github.com

CVSS3 Type

Secondary

CVSS3 Vector

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

CVE-2023-47634 Vulnerability Summary

CVE-2023-47634: 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.

Assessing the Risk of CVE-2023-47634

Access Complexity Graph

The exploitability of CVE-2023-47634 depends on two key factors: attack complexity (the level of effort required to execute an exploit) and privileges required (the access level an attacker needs).

Exploitability Analysis for CVE-2023-47634

This vulnerability, CVE-2023-47634, requires a high level of attack complexity and low privileges, making it difficult but not impossible to exploit. Organizations should ensure robust security configurations to mitigate risks.

Understanding AC and PR

A lower complexity and fewer privilege requirements make exploitation easier. Security teams should evaluate these aspects to determine the urgency of mitigation strategies, such as patch management and access control policies.

Attack Complexity (AC) measures the difficulty in executing an exploit. A high AC means that specific conditions must be met, making an attack more challenging, while a low AC means the vulnerability can be exploited with minimal effort.

Privileges Required (PR) determine the level of system access necessary for an attack. Vulnerabilities requiring no privileges are more accessible to attackers, whereas high privilege requirements limit exploitation to authorized users with elevated access.

CVSS Score Breakdown Chart

Above is the CVSS Sub-score Breakdown for CVE-2023-47634, illustrating how Base, Impact, and Exploitability factors combine to form the overall severity rating. A higher sub-score typically indicates a more severe or easier-to-exploit vulnerability.

CIA Impact Analysis

Below is the Impact Analysis for CVE-2023-47634, showing how Confidentiality, Integrity, and Availability might be affected if the vulnerability is exploited. Higher values usually signal greater potential damage.

  • Confidentiality: None
    CVE-2023-47634 has no significant impact on data confidentiality.
  • Integrity: Low
    Exploiting CVE-2023-47634 may cause minor changes to data without severely impacting its accuracy.
  • Availability: None
    CVE-2023-47634 does not impact system availability.

Exploit Prediction Scoring System (EPSS)

The EPSS score estimates the probability that this vulnerability will be exploited in the near future.

EPSS Score: 0.141% (probability of exploit)

EPSS Percentile: 51.19% (lower percentile = lower relative risk)
This vulnerability is less risky than approximately 48.81% of others.

CVE-2023-47634 References

External References

CWE Common Weakness Enumeration

CWE-362

CAPEC Common Attack Pattern Enumeration and Classification

  • Leveraging Race Conditions CAPEC-26 The adversary targets a race condition occurring when multiple processes access and manipulate the same resource concurrently, and the outcome of the execution depends on the particular order in which the access takes place. The adversary can leverage a race condition by "running the race", modifying the resource and modifying the normal execution flow. For instance, a race condition can occur while accessing a file: the adversary can trick the system by replacing the original file with their version and cause the system to read the malicious file.
  • Leveraging Time-of-Check and Time-of-Use (TOCTOU) Race Conditions CAPEC-29 This attack targets a race condition occurring between the time of check (state) for a resource and the time of use of a resource. A typical example is file access. The adversary can leverage a file access race condition by "running the race", meaning that they would modify the resource between the first time the target program accesses the file and the time the target program uses the file. During that period of time, the adversary could replace or modify the file, causing the application to behave unexpectedly.

Vulnerable Configurations

  • cpe:2.3:a:decidim:decidim:0.10.0:*:*:*:*:ruby:*:*
    cpe:2.3:a:decidim:decidim:0.10.0:*:*:*:*:ruby:*:*
  • cpe:2.3:a:decidim:decidim:0.10.1:*:*:*:*:ruby:*:*
    cpe:2.3:a:decidim:decidim:0.10.1:*:*:*:*:ruby:*:*
  • cpe:2.3:a:decidim:decidim:0.11.0:-:*:*:*:ruby:*:*
    cpe:2.3:a:decidim:decidim:0.11.0:-:*:*:*:ruby:*:*
  • cpe:2.3:a:decidim:decidim:0.11.0:pre1:*:*:*:ruby:*:*
    cpe:2.3:a:decidim:decidim:0.11.0:pre1:*:*:*:ruby:*:*
  • cpe:2.3:a:decidim:decidim:0.11.1:*:*:*:*:ruby:*:*
    cpe:2.3:a:decidim:decidim:0.11.1:*:*:*:*:ruby:*:*
  • cpe:2.3:a:decidim:decidim:0.11.2:*:*:*:*:ruby:*:*
    cpe:2.3:a:decidim:decidim:0.11.2:*:*:*:*:ruby:*:*
  • cpe:2.3:a:decidim:decidim:0.12.0:-:*:*:*:ruby:*:*
    cpe:2.3:a:decidim:decidim:0.12.0:-:*:*:*:ruby:*:*
  • cpe:2.3:a:decidim:decidim:0.12.0:pre:*:*:*:ruby:*:*
    cpe:2.3:a:decidim:decidim:0.12.0:pre:*:*:*:ruby:*:*
  • cpe:2.3:a:decidim:decidim:0.12.1:*:*:*:*:ruby:*:*
    cpe:2.3:a:decidim:decidim:0.12.1:*:*:*:*:ruby:*:*
  • cpe:2.3:a:decidim:decidim:0.12.2:*:*:*:*:ruby:*:*
    cpe:2.3:a:decidim:decidim:0.12.2:*:*:*:*:ruby:*:*
  • cpe:2.3:a:decidim:decidim:0.13.0:-:*:*:*:ruby:*:*
    cpe:2.3:a:decidim:decidim:0.13.0:-:*:*:*:ruby:*:*
  • cpe:2.3:a:decidim:decidim:0.13.0:pre1:*:*:*:ruby:*:*
    cpe:2.3:a:decidim:decidim:0.13.0:pre1:*:*:*:ruby:*:*
  • cpe:2.3:a:decidim:decidim:0.13.1:*:*:*:*:ruby:*:*
    cpe:2.3:a:decidim:decidim:0.13.1:*:*:*:*:ruby:*:*
  • cpe:2.3:a:decidim:decidim:0.14.0:*:*:*:*:ruby:*:*
    cpe:2.3:a:decidim:decidim:0.14.0:*:*:*:*:ruby:*:*
  • cpe:2.3:a:decidim:decidim:0.14.1:*:*:*:*:ruby:*:*
    cpe:2.3:a:decidim:decidim:0.14.1:*:*:*:*:ruby:*:*
  • cpe:2.3:a:decidim:decidim:0.14.2:*:*:*:*:ruby:*:*
    cpe:2.3:a:decidim:decidim:0.14.2:*:*:*:*:ruby:*:*
  • cpe:2.3:a:decidim:decidim:0.14.3:*:*:*:*:ruby:*:*
    cpe:2.3:a:decidim:decidim:0.14.3:*:*:*:*:ruby:*:*
  • cpe:2.3:a:decidim:decidim:0.14.4:*:*:*:*:ruby:*:*
    cpe:2.3:a:decidim:decidim:0.14.4:*:*:*:*:ruby:*:*
  • cpe:2.3:a:decidim:decidim:0.15.0:*:*:*:*:ruby:*:*
    cpe:2.3:a:decidim:decidim:0.15.0:*:*:*:*:ruby:*:*
  • cpe:2.3:a:decidim:decidim:0.15.1:*:*:*:*:ruby:*:*
    cpe:2.3:a:decidim:decidim:0.15.1:*:*:*:*:ruby:*:*
  • cpe:2.3:a:decidim:decidim:0.15.2:*:*:*:*:ruby:*:*
    cpe:2.3:a:decidim:decidim:0.15.2:*:*:*:*:ruby:*:*
  • cpe:2.3:a:decidim:decidim:0.16.0:*:*:*:*:ruby:*:*
    cpe:2.3:a:decidim:decidim:0.16.0:*:*:*:*:ruby:*:*
  • cpe:2.3:a:decidim:decidim:0.16.1:*:*:*:*:ruby:*:*
    cpe:2.3:a:decidim:decidim:0.16.1:*:*:*:*:ruby:*:*
  • cpe:2.3:a:decidim:decidim:0.17.0:*:*:*:*:ruby:*:*
    cpe:2.3:a:decidim:decidim:0.17.0:*:*:*:*:ruby:*:*
  • cpe:2.3:a:decidim:decidim:0.17.1:*:*:*:*:ruby:*:*
    cpe:2.3:a:decidim:decidim:0.17.1:*:*:*:*:ruby:*:*
  • cpe:2.3:a:decidim:decidim:0.17.2:*:*:*:*:ruby:*:*
    cpe:2.3:a:decidim:decidim:0.17.2:*:*:*:*:ruby:*:*
  • cpe:2.3:a:decidim:decidim:0.18.0:*:*:*:*:ruby:*:*
    cpe:2.3:a:decidim:decidim:0.18.0:*:*:*:*:ruby:*:*
  • cpe:2.3:a:decidim:decidim:0.18.1:*:*:*:*:ruby:*:*
    cpe:2.3:a:decidim:decidim:0.18.1:*:*:*:*:ruby:*:*
  • cpe:2.3:a:decidim:decidim:0.19.0:*:*:*:*:ruby:*:*
    cpe:2.3:a:decidim:decidim:0.19.0:*:*:*:*:ruby:*:*
  • cpe:2.3:a:decidim:decidim:0.19.1:*:*:*:*:ruby:*:*
    cpe:2.3:a:decidim:decidim:0.19.1:*:*:*:*:ruby:*:*
  • cpe:2.3:a:decidim:decidim:0.20.0:*:*:*:*:ruby:*:*
    cpe:2.3:a:decidim:decidim:0.20.0:*:*:*:*:ruby:*:*
  • cpe:2.3:a:decidim:decidim:0.20.1:*:*:*:*:ruby:*:*
    cpe:2.3:a:decidim:decidim:0.20.1:*:*:*:*:ruby:*:*
  • cpe:2.3:a:decidim:decidim:0.21.0:*:*:*:*:ruby:*:*
    cpe:2.3:a:decidim:decidim:0.21.0:*:*:*:*:ruby:*:*
  • cpe:2.3:a:decidim:decidim:0.22.0:*:*:*:*:ruby:*:*
    cpe:2.3:a:decidim:decidim:0.22.0:*:*:*:*:ruby:*:*
  • cpe:2.3:a:decidim:decidim:0.23.0:*:*:*:*:ruby:*:*
    cpe:2.3:a:decidim:decidim:0.23.0:*:*:*:*:ruby:*:*
  • cpe:2.3:a:decidim:decidim:0.23.1:-:*:*:*:ruby:*:*
    cpe:2.3:a:decidim:decidim:0.23.1:-:*:*:*:ruby:*:*
  • cpe:2.3:a:decidim:decidim:0.23.1:rc1:*:*:*:ruby:*:*
    cpe:2.3:a:decidim:decidim:0.23.1:rc1:*:*:*:ruby:*:*
  • cpe:2.3:a:decidim:decidim:0.23.2:*:*:*:*:ruby:*:*
    cpe:2.3:a:decidim:decidim:0.23.2:*:*:*:*:ruby:*:*
  • cpe:2.3:a:decidim:decidim:0.23.3:*:*:*:*:ruby:*:*
    cpe:2.3:a:decidim:decidim:0.23.3:*:*:*:*:ruby:*:*
  • cpe:2.3:a:decidim:decidim:0.23.4:*:*:*:*:ruby:*:*
    cpe:2.3:a:decidim:decidim:0.23.4:*:*:*:*:ruby:*:*
  • cpe:2.3:a:decidim:decidim:0.23.5:*:*:*:*:ruby:*:*
    cpe:2.3:a:decidim:decidim:0.23.5:*:*:*:*:ruby:*:*
  • cpe:2.3:a:decidim:decidim:0.23.6:*:*:*:*:ruby:*:*
    cpe:2.3:a:decidim:decidim:0.23.6:*:*:*:*:ruby:*:*
  • cpe:2.3:a:decidim:decidim:0.24.0:-:*:*:*:ruby:*:*
    cpe:2.3:a:decidim:decidim:0.24.0:-:*:*:*:ruby:*:*
  • cpe:2.3:a:decidim:decidim:0.24.0:rc1:*:*:*:ruby:*:*
    cpe:2.3:a:decidim:decidim:0.24.0:rc1:*:*:*:ruby:*:*
  • cpe:2.3:a:decidim:decidim:0.24.0:rc2:*:*:*:ruby:*:*
    cpe:2.3:a:decidim:decidim:0.24.0:rc2:*:*:*:ruby:*:*
  • cpe:2.3:a:decidim:decidim:0.24.1:*:*:*:*:ruby:*:*
    cpe:2.3:a:decidim:decidim:0.24.1:*:*:*:*:ruby:*:*
  • cpe:2.3:a:decidim:decidim:0.24.2:*:*:*:*:ruby:*:*
    cpe:2.3:a:decidim:decidim:0.24.2:*:*:*:*:ruby:*:*
  • cpe:2.3:a:decidim:decidim:0.24.3:*:*:*:*:ruby:*:*
    cpe:2.3:a:decidim:decidim:0.24.3:*:*:*:*:ruby:*:*
  • cpe:2.3:a:decidim:decidim:0.25.0:-:*:*:*:ruby:*:*
    cpe:2.3:a:decidim:decidim:0.25.0:-:*:*:*:ruby:*:*
  • cpe:2.3:a:decidim:decidim:0.25.0:rc1:*:*:*:ruby:*:*
    cpe:2.3:a:decidim:decidim:0.25.0:rc1:*:*:*:ruby:*:*
  • cpe:2.3:a:decidim:decidim:0.25.0:rc2:*:*:*:ruby:*:*
    cpe:2.3:a:decidim:decidim:0.25.0:rc2:*:*:*:ruby:*:*
  • cpe:2.3:a:decidim:decidim:0.25.0:rc3:*:*:*:ruby:*:*
    cpe:2.3:a:decidim:decidim:0.25.0:rc3:*:*:*:ruby:*:*
  • cpe:2.3:a:decidim:decidim:0.25.0:rc4:*:*:*:ruby:*:*
    cpe:2.3:a:decidim:decidim:0.25.0:rc4:*:*:*:ruby:*:*
  • cpe:2.3:a:decidim:decidim:0.25.1:*:*:*:*:ruby:*:*
    cpe:2.3:a:decidim:decidim:0.25.1:*:*:*:*:ruby:*:*
  • cpe:2.3:a:decidim:decidim:0.25.2:*:*:*:*:ruby:*:*
    cpe:2.3:a:decidim:decidim:0.25.2:*:*:*:*:ruby:*:*
  • cpe:2.3:a:decidim:decidim:0.26.0:-:*:*:*:ruby:*:*
    cpe:2.3:a:decidim:decidim:0.26.0:-:*:*:*:ruby:*:*
  • cpe:2.3:a:decidim:decidim:0.26.0:rc1:*:*:*:ruby:*:*
    cpe:2.3:a:decidim:decidim:0.26.0:rc1:*:*:*:ruby:*:*
  • cpe:2.3:a:decidim:decidim:0.26.0:rc2:*:*:*:ruby:*:*
    cpe:2.3:a:decidim:decidim:0.26.0:rc2:*:*:*:ruby:*:*
  • cpe:2.3:a:decidim:decidim:0.26.1:*:*:*:*:ruby:*:*
    cpe:2.3:a:decidim:decidim:0.26.1:*:*:*:*:ruby:*:*
  • cpe:2.3:a:decidim:decidim:0.26.2:*:*:*:*:ruby:*:*
    cpe:2.3:a:decidim:decidim:0.26.2:*:*:*:*:ruby:*:*
  • cpe:2.3:a:decidim:decidim:0.26.3:*:*:*:*:ruby:*:*
    cpe:2.3:a:decidim:decidim:0.26.3:*:*:*:*:ruby:*:*
  • cpe:2.3:a:decidim:decidim:0.26.4:*:*:*:*:ruby:*:*
    cpe:2.3:a:decidim:decidim:0.26.4:*:*:*:*:ruby:*:*
  • cpe:2.3:a:decidim:decidim:0.26.5:*:*:*:*:ruby:*:*
    cpe:2.3:a:decidim:decidim:0.26.5:*:*:*:*:ruby:*:*
  • cpe:2.3:a:decidim:decidim:0.26.6:*:*:*:*:ruby:*:*
    cpe:2.3:a:decidim:decidim:0.26.6:*:*:*:*:ruby:*:*
  • cpe:2.3:a:decidim:decidim:0.26.7:*:*:*:*:ruby:*:*
    cpe:2.3:a:decidim:decidim:0.26.7:*:*:*:*:ruby:*:*
  • cpe:2.3:a:decidim:decidim:0.26.8:*:*:*:*:ruby:*:*
    cpe:2.3:a:decidim:decidim:0.26.8:*:*:*:*:ruby:*:*
  • cpe:2.3:a:decidim:decidim:0.27.0:-:*:*:*:ruby:*:*
    cpe:2.3:a:decidim:decidim:0.27.0:-:*:*:*:ruby:*:*
  • cpe:2.3:a:decidim:decidim:0.27.0:rc1:*:*:*:ruby:*:*
    cpe:2.3:a:decidim:decidim:0.27.0:rc1:*:*:*:ruby:*:*
  • cpe:2.3:a:decidim:decidim:0.27.0:rc2:*:*:*:ruby:*:*
    cpe:2.3:a:decidim:decidim:0.27.0:rc2:*:*:*:ruby:*:*
  • cpe:2.3:a:decidim:decidim:0.27.1:*:*:*:*:ruby:*:*
    cpe:2.3:a:decidim:decidim:0.27.1:*:*:*:*:ruby:*:*
  • cpe:2.3:a:decidim:decidim:0.27.2:*:*:*:*:ruby:*:*
    cpe:2.3:a:decidim:decidim:0.27.2:*:*:*:*:ruby:*:*
  • cpe:2.3:a:decidim:decidim:0.27.3:*:*:*:*:ruby:*:*
    cpe:2.3:a:decidim:decidim:0.27.3:*:*:*:*:ruby:*:*
  • cpe:2.3:a:decidim:decidim:0.27.4:*:*:*:*:ruby:*:*
    cpe:2.3:a:decidim:decidim:0.27.4:*:*:*:*:ruby:*:*

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