Improper access control in Moodle - CVE-2016-2159

 

Improper access control in Moodle - CVE-2016-2159

Published: May 22, 2016 / Updated: August 9, 2020


Vulnerability identifier: #VU40269
CSH Severity: Low
CVSS v4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2016-2159
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote authenticated user to manipulate data.

The save_submission function in mod/assign/externallib.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 allows remote authenticated users to bypass intended due-date restrictions by leveraging the student role for a web-service request.


Affected software

Moodle
Fedora
moodle

How to mitigate CVE-2016-2159

Install update from vendor's website.

moodle - addressed in versions 2.7.19-1.el6, 2.8.11-1.fc22, 2.9.5-1.fc23, 3.0.3-1.el7, 3.0.3-1.fc24

External References

Related Security Bulletins