Cross-site scripting in QNAP QTS



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2017-13072
CWE-ID CWE-79
Exploitation vector Network
Public exploit N/A
Vulnerable software
 QNAP QTS
Server applications / File servers (FTP/HTTP)

Vendor QNAP Systems, Inc.

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Cross-site scripting

EUVDB-ID: #VU12891

Risk: Low

CVSSv4.0: 1.2 [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]

CVE-ID: CVE-2017-13072

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

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The weakness exists in App Center in QTS 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.

Mitigation

Update to versions 4.2.6 build 20180504, 4.3.3 build 20180126, 4.3.4 build 20171230.

Vulnerable software versions

QNAP QTS: 4.2.6 20170517 - 4.3.4 20171223

CPE2.3 External links

https://www.qnap.com/en/security-advisory/nas-201805-16


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



###SIDEBAR###