SB2017012017 - Multiple vulnerabilities in Moodle

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Main Vulnerability Database SB2017012017

SB2017012017 - Multiple vulnerabilities in Moodle

Published: January 20, 2017 Updated: August 8, 2020

Security Bulletin ID SB2017012017
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

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

Description

This security bulletin contains information about 2 vulnerabilities.


1) Input validation error (CVE-ID: CVE-2017-2576)

CWE-ID: CWE-20 - Improper input validation

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


The vulnerability allows a remote non-authenticated attacker to manipulate data.

In Moodle 2.x and 3.x, there is incorrect sanitization of attributes in forums.


2) Cross-site scripting (CVE-ID: CVE-2017-2578)

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

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


The vulnerability allows a remote non-authenticated attacker to read and manipulate data.

In Moodle 3.x, there is XSS in the assignment submission page.


Remediation

Install update from vendor's website.

References