SB2020091701 - Multiple vulnerabilities in Drupal
Published: September 17, 2020
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 5 secuirty vulnerabilities.
1) Cross-site scripting (CVE-ID: CVE-2020-13666)
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 in AJAX API, related to JSONP processing. 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.
2) Improper access control (CVE-ID: CVE-2020-13667)
The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.
The vulnerability exists due to improper access restrictions within the Workspaces module when working with multiple workspaces. A remote attacker can bypass implemented security restrictions and gain unauthorized access to yet not published content.
Successful exploitation of the vulnerability requires that the experimental Workspaces module is installed.
3) Cross-site scripting (CVE-ID: CVE-2020-13668)
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. 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.
4) Cross-site scripting (CVE-ID: CVE-2020-13669)
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 the built-in CKEditor image caption functionality. A remote attacker can 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.
5) Improper access control (CVE-ID: CVE-2020-13670)
The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted information.
The vulnerability exists due to improper access restrictions within the File module when displacing file metadata. A remote attacker can guess file identifier and view potentially sensitive information.
Remediation
Install update from vendor's website.