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  5. CVE-2023-5542

CVE-2023-5542: Moodle Improper Access Control vulnerability

November 9, 2023 (updated November 16, 2023)

Students in “Only see own membership” groups could see other students in the group, which should be hidden.

References

  • git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-79213
  • bugzilla.redhat.com/show_bug.cgi?id=2243441
  • github.com/advisories/GHSA-8mm2-m2gp-c6x2
  • github.com/moodle/moodle/commit/b0bb97ee3b481dd85d8f1ed3612f70c9d1939014
  • moodle.org/mod/forum/discuss.php?d=451583
  • nvd.nist.gov/vuln/detail/CVE-2023-5542

Code Behaviors & Features

Detect and mitigate CVE-2023-5542 with GitLab Dependency Scanning

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Affected versions

All versions before 4.3.0-rc2

Fixed versions

  • 4.3.0-rc2

Solution

Upgrade to version 4.3.0-rc2 or above. *Note*: 4.3.0-rc2 may be an unstable version. Use caution.

Impact 4.3 MEDIUM

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

Learn more about CVSS

Weakness

  • CWE-668: Exposure of Resource to Wrong Sphere

Source file

packagist/moodle/moodle/CVE-2023-5542.yml

Spotted a mistake? Edit the file on GitLab.

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