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CVE-2018-1137: Improper Input Validation

May 25, 2018 (updated June 25, 2018)

An issue was discovered in Moodle. By substituting URLs in portfolios, users can instantiate any class. This can also be exploited by users who are logged in as guests to create a DDoS attack.

References

  • www.securityfocus.com/bid/104307
  • moodle.org/mod/forum/discuss.php?d=371204
  • nvd.nist.gov/vuln/detail/CVE-2018-1137

Code Behaviors & Features

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Affected versions

All versions starting from 3.1.0 up to 3.1.11, all versions starting from 3.2.0 up to 3.2.8, all versions starting from 3.3.0 up to 3.3.5, all versions starting from 3.4.0 up to 3.4.2

Fixed versions

  • 3.1.12
  • 3.2.9
  • 3.3.6
  • 3.4.3

Solution

Upgrade to versions 3.1.12, 3.2.9, 3.3.6, 3.4.3 or above.

Impact 8.1 HIGH

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H

Learn more about CVSS

Weakness

  • CWE-20: Improper Input Validation

Source file

packagist/moodle/moodle/CVE-2018-1137.yml

Spotted a mistake? Edit the file on GitLab.

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