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Improper Access Control

CVE-2024-42988

Medium
4.3/10

Summary

Lack of access control in ChallengeSolves (/api/v1/challenges/<challenge id>/solves) of CTFd v2.0.0 - v3.7.2 allows authenticated users to retrieve a list of users who have solved the challenge, regardless of the Account Visibility settings. The issue is fixed in v3.7.3+.

  • LOW
  • NETWORK
  • NONE
  • UNCHANGED
  • NONE
  • LOW
  • LOW
  • NONE

CWE-284 - Improper Access Control

Listed 5th in the 'OWASP Top Ten', improper (or broken) access control attacks are a fundamental type of vulnerability. This includes a broad range of design flaws that enable users to act outside of their intended permissions. They can use these privileges to gain access to restricted files and functionality such as accessing restricted information, falsifying records, destroying data, or executing commands.

References

Advisory Timeline

  • Published