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CVE-2014-7845: Moodle Temporary Passwords are Brute Force-able

May 13, 2022 (updated August 15, 2023)

The generate_password function in Moodle through 2.4.11, 2.5.x before 2.5.9, 2.6.x before 2.6.6, and 2.7.x before 2.7.3 does not provide a sufficient number of possible temporary passwords, which allows remote attackers to obtain access via a brute-force attack.

References

  • git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-47050
  • openwall.com/lists/oss-security/2014/11/17/11
  • github.com/advisories/GHSA-9v64-447r-wch6
  • moodle.org/mod/forum/discuss.php?d=275152
  • nvd.nist.gov/vuln/detail/CVE-2014-7845
  • web.archive.org/web/20150914064838/http://www.securitytracker.com/id/1031215

Code Behaviors & Features

Detect and mitigate CVE-2014-7845 with GitLab Dependency Scanning

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Affected versions

All versions starting from 2.5.0 up to 2.5.8, all versions starting from 2.6.0 up to 2.6.5, all versions starting from 2.7.0 up to 2.7.2

Fixed versions

  • 2.6.6
  • 2.7.3
  • 2.5.9

Solution

Upgrade to versions 2.6.6, 2.7.3, 2.5.9 or above.

Impact 7.5 HIGH

AV:N/AC:L/Au:N/C:P/I:P/A:P

Learn more about CVSS

Weakness

  • CWE-255

Source file

packagist/moodle/moodle/CVE-2014-7845.yml

Spotted a mistake? Edit the file on GitLab.

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