SB2022091919 - Multiple vulnerabilities in Moodle

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Main Vulnerability Database SB2022091919

SB2022091919 - Multiple vulnerabilities in Moodle

Published: September 19, 2022

Security Bulletin ID SB2022091919
Severity
Medium
Patch available
YES
Number of vulnerabilities 4
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Medium 25% Low 75%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 4 secuirty vulnerabilities.


1) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2022-40316)

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

The vulnerability exists due to the H5P activity attempts report does not respect group permissions when displaying information to non-editing teachers about attempts/users in groups they should not have access to. A remote user can gain access to sensitive information.


2) SQL injection (CVE-ID: CVE-2022-40315)

The vulnerability allows a remote user to execute arbitrary SQL queries in database.

The vulnerability exists due to insufficient sanitization of user-supplied data in the "browse list of users" site administration page. A remote user can send a specially crafted request to the affected application and execute arbitrary SQL commands within the application database.



3) Deserialization of Untrusted Data (CVE-ID: CVE-2022-40314)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to insecure input validation when restoring backup files originating from Moodle. A remote attacker can trick the victim into restoring the website from a malformed backup and execute arbitrary code on the target system.



4) Cross-site scripting (CVE-ID: CVE-2022-40313)

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data within Mustache template helpers. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.


Remediation

Install update from vendor's website.

References