SB2018071302 - Multiple vulnerabilities in WAGO e!DISPLAY
Published: July 13, 2018
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 3 secuirty vulnerabilities.
1) Cross-site scripting (CVE-ID: CVE-2018-12981)
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.
2) Unrestricted upload of file with dangerous type (CVE-ID: CVE-2018-12980)
The vulnerability allows a remote authenticated attacker to bypass security restrictions.
The weakness exists due to unrestricted upload of file with dangerous type. A remote attacker can upload arbitrary files to the file system with the permissions of the web server.
3) Incorrect default permissions (CVE-ID: CVE-2018-12979)
The vulnerability allows a remote authenticated attacker to bypass security restrictions.
The weakness exists due to weak permissions. A remote attacker can abuse the unrestricted file upload in the WBM and overwrite critical files.
Remediation
Install update from vendor's website.