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Moodle allows attackers to discover student e-mail addresses

Moderate severity GitHub Reviewed Published May 13, 2022 to the GitHub Advisory Database • Updated Jan 26, 2024

Package

composer moodle/moodle (Composer)

Affected versions

< 2.7.13
>= 2.8.0, < 2.8.11
>= 2.9.0, < 2.9.5
>= 3.0.0, < 3.0.3

Patched versions

2.7.13
2.8.11
2.9.5
3.0.3

Description

user/index.php in Moodle through 2.6.11, 2.7.x before 2.7.13, 2.8.x before 2.8.11, 2.9.x before 2.9.5, and 3.0.x before 3.0.3 grants excessive authorization on the basis of the moodle/course:viewhiddenuserfields capability, which allows remote authenticated users to discover student e-mail addresses by leveraging the teacher role and reading a Participants list.

References

Published by the National Vulnerability Database May 22, 2016
Published to the GitHub Advisory Database May 13, 2022
Reviewed Jan 26, 2024
Last updated Jan 26, 2024

Severity

Moderate
4.3
/ 10

CVSS base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
Low
User interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Weaknesses

CVE ID

CVE-2016-2151

GHSA ID

GHSA-r3fc-hx6q-g6cq

Source code

Credits

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