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CVE-2020-25630: Uncontrolled Resource Consumption

December 8, 2020

A vulnerability was found in Moodle where the decompressed size of zip files was not checked against available user quota before unzipping them, which could lead to a denial of service risk.

References

  • moodle.org/mod/forum/discuss.php?d=410842
  • nvd.nist.gov/vuln/detail/CVE-2020-25630

Code Behaviors & Features

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Affected versions

All versions starting from 3.5.0 before 3.5.14, all versions starting from 3.7.0 before 3.7.8, all versions starting from 3.8.0 before 3.8.5, all versions starting from 3.9.0 before 3.9.2

Fixed versions

  • 3.5.14
  • 3.7.8
  • 3.8.5
  • 3.9.2

Solution

Upgrade to versions 3.5.14, 3.7.8, 3.8.5, 3.9.2 or above.

Impact 7.5 HIGH

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

Learn more about CVSS

Weakness

  • CWE-400: Uncontrolled Resource Consumption

Source file

packagist/moodle/moodle/CVE-2020-25630.yml

Spotted a mistake? Edit the file on GitLab.

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