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CVE-2014-7834: Moodle does not verify group permissions

May 13, 2022 (updated January 24, 2024)

mod/forum/externallib.php in Moodle 2.6.x before 2.6.6 and 2.7.x before 2.7.3 does not verify group permissions, which allows remote authenticated users to access a forum via the forum_get_discussions web service.

References

  • git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-45303
  • openwall.com/lists/oss-security/2014/11/17/11
  • github.com/advisories/GHSA-557f-2hv4-7jjm
  • github.com/moodle/moodle/commit/3aa9d93c7a78d14fa30e2afbfd8fa7e09bc9cb41
  • github.com/moodle/moodle/commit/40afeb4044c9718bf175c347f0f9099a037ce9f0
  • github.com/moodle/moodle/commit/79eda0e9a0d15ba1d87187ec712f96abd62748c1
  • moodle.org/mod/forum/discuss.php?d=275159
  • nvd.nist.gov/vuln/detail/CVE-2014-7834
  • web.archive.org/web/20150914064838/http://www.securitytracker.com/id/1031215

Code Behaviors & Features

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Affected versions

All versions starting from 2.6.0 before 2.6.6, all versions starting from 2.7.0 before 2.7.3

Fixed versions

  • 2.6.6
  • 2.7.3

Solution

Upgrade to versions 2.6.6, 2.7.3 or above.

Impact 4 MEDIUM

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

Learn more about CVSS

Weakness

  • CWE-264

Source file

packagist/moodle/moodle/CVE-2014-7834.yml

Spotted a mistake? Edit the file on GitLab.

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