SB2020051815 - Multiple vulnerabilities in Moodle 

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Main Vulnerability Database SB2020051815

SB2020051815 - Multiple vulnerabilities in Moodle

Published: May 18, 2020

Security Bulletin ID SB2020051815
Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

Medium 50% Low 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Input validation error (CVE-ID: CVE-2020-10738)

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

The vulnerability exists due to insufficient validation of user-supplied input when processing SCORM packages. A remote user can upload a specially crafted SCORM package that once added to a course will communicate with a web service and execute arbitrary code on the system.


2) Cross-site scripting (CVE-ID: CVE-2018-1999024)

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

The vulnerability exists due to insufficient sanitization of user-supplied data in the "unicode{} macro" in MathJax. 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