SB2017071726 - Multiple vulnerabilities in Moodle



SB2017071726 - Multiple vulnerabilities in Moodle

Published: July 17, 2017 Updated: August 8, 2020

Security Bulletin ID SB2017071726
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 3
Exploitation vector Remote access
Highest impact Information disclosure

Breakdown by Severity

Medium 67% Low 33%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 3 vulnerabilities.


1) Information disclosure (CVE-ID: CVE-2017-12157)

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a remote authenticated user to gain access to sensitive information.

In Moodle 3.x, various course reports allow teachers to view details about users in the groups they can't access.


2) Information disclosure (CVE-ID: CVE-2017-2642)

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote authenticated user to gain access to sensitive information.

Moodle 3.x has user fullname disclosure on the user preferences page.


3) Improper Privilege Management (CVE-ID: CVE-2017-7532)

CWE-ID: CWE-269 - Improper Privilege Management

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote authenticated user to manipulate data.

In Moodle 3.x, course creators are able to change system default settings for courses.


Remediation

Install update from vendor's website.