Vulnerability identifier: #VU80841
Vulnerability risk: Medium
CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-476
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
QNAP QTS
Server applications /
File servers (FTP/HTTP)
QuTS hero
Hardware solutions /
Firmware
QuTScloud
Operating systems & Components /
Operating system
Vendor: QNAP Systems, Inc.
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dereference error. A remote user can pass specially crafted data to the application and perform a denial of service (DoS) attack.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
QNAP QTS: 5.0.1, 4.5.4
QuTS hero: h4.5.4 - h5.0.1
QuTScloud: c5.0.1
External links
http://www.qnap.com/en/security-advisory/qsa-23-21
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.