Information disclosure in Moodle - CVE-2014-7831

 

Information disclosure in Moodle - CVE-2014-7831

Published: November 24, 2014 / Updated: August 9, 2020


Vulnerability identifier: #VU41081
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2014-7831
CWE-ID: CWE-200
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: moodle.org
Affected software:
Moodle

Detailed vulnerability description

The vulnerability allows a remote #AU# to gain access to sensitive information.

lib/classes/grades_external.php in Moodle 2.7.x before 2.7.3 does not consider the moodle/grade:viewhidden capability before displaying hidden grades, which allows remote authenticated users to obtain sensitive information by leveraging the student role to access the get_grades web service.


How to mitigate CVE-2014-7831

Install update from vendor's website.

Sources