SB2018060605 - Multiple vulnerabilities in QNAP Proxy Server
Published: June 6, 2018 Updated: June 6, 2018
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 4 secuirty vulnerabilities.
1) Cross-site request forgery (CVE-ID: CVE-2017-7635)
The vulnerability allows a remote attacker to perform CSRF attack.The weakness exists due to insufficient CSRF protections. A remote attacker can create a specially crafted HTML page or URL, trick the victim into visiting it, gain access to the system and perform arbitrary actions.
2) Cross-site scripting (CVE-ID: CVE-2017-7636)
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.
3) OS command execution (CVE-ID: CVE-2017-7637)
The vulnerability allows a remote attacker to execute shell commands on the target system.The weakness exists due to incorrect processing of the user’s input data in the certain parameter. A remote attacker can inject and execute arbitrary shell commands with root privileges.
4) Authentication bypass (CVE-ID: CVE-2017-7639)
The vulnerability allows a remote attacker to bypass authentication on the target system.The weakness exists due to improper authentication of requests. A remote attacker can bypass security restrictions and change the settings of Proxy Server.
Remediation
Install update from vendor's website.