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CVE-2023-28336: Moodle may allow teachers to access the names of users they could not otherwise access

March 23, 2023 (updated November 9, 2023)

Insufficient filtering of grade report history made it possible for teachers to access the names of users they could not otherwise access.

References

  • git.moodle.org/gw?p=moodle.git;a=commit;h=a931a7f8cec3657827268837b27962a13817ca2b
  • github.com/advisories/GHSA-prjm-2fj2-787f
  • github.com/moodle/moodle/commit/a931a7f8cec3657827268837b27962a13817ca2b
  • moodle.org/mod/forum/discuss.php?d=445068
  • nvd.nist.gov/vuln/detail/CVE-2023-28336

Code Behaviors & Features

Detect and mitigate CVE-2023-28336 with GitLab Dependency Scanning

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Affected versions

All versions before 3.9.20, all versions after 3.11.0 before 3.11.13, all versions starting from 4.0.0 before 4.0.7, all versions starting from 4.1.0 before 4.1.2

Fixed versions

  • 3.9.20
  • 3.11.13
  • 4.0.7
  • 4.1.2

Solution

Upgrade to versions 3.9.20, 3.11.13, 4.0.7, 4.1.2 or above.

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-2023-28336.yml

Spotted a mistake? Edit the file on GitLab.

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