SB2020080404 - Multiple vulnerabilities in Shopware



SB2020080404 - Multiple vulnerabilities in Shopware

Published: August 4, 2020 Updated: August 4, 2020

Security Bulletin ID SB2020080404
Severity
Medium
Patch available
YES
Number of vulnerabilities 5
Exploitation vector Remote access
Highest impact Information disclosure

Breakdown by Severity

Medium 60% Low 40%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 5 secuirty vulnerabilities.


1) Information disclosure (CVE-ID: CVE-2020-13997)

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to excessive data output by the application when a "DriverException" occurs and verbose error handling is enabled. A remote attacker can gain unauthorized access to sensitive information on the system.


2) Session hijacking (CVE-ID: N/A)

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to session hijacking of customer accounts in the storefront. A remote attacker can gain unauthorized access to sensitive information on the system.


3) Stored cross-site scripting (CVE-ID: N/A)

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 authenticated attacker can inject 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) Server-Side Request Forgery (SSRF) (CVE-ID: CVE-2020-13970)

The disclosed vulnerability allows a remote attacker to perform SSRF attacks.

The vulnerability exists due to insufficient validation of user-supplied input in the "Mediabrowser upload by URL" feature. A remote authenticated attacker can send a specially crafted HTTPS, FTP, and SFTP requests and trick the application to initiate requests to arbitrary systems.

Successful exploitation of this vulnerability may allow a remote attacker gain access to sensitive data, located in the local network or send malicious requests to other servers from the vulnerable system.


5) Stored cross-site scripting (CVE-ID: CVE-2020-13971)

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 the Mediabrowser fileupload feature. A remote authenticated attacker can inject 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.