Remote code execution in Fuji Electric V-Server

Published: 2019-11-11 | Updated: 2019-11-11
Severity High
Patch available YES
Number of vulnerabilities 1
CVE ID CVE-2019-18240
CWE ID CWE-122
Exploitation vector Network
Public exploit N/A
Vulnerable software V-Server Subscribe
Vendor Fuji Electric

Security Advisory

This security advisory describes one high risk vulnerability.

1) Heap-based buffer overflow

Severity: High

CVSSv3: 7.7 [CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C] [PCI]

CVE-ID: CVE-2019-18240

CWE-ID: CWE-122 - Heap-based Buffer Overflow

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error within the affected application. A remote attacker can trigger heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

V-Server: -, 4.0.6

CPE External links

https://ics-cert.us-cert.gov/advisories/icsa-19-311-02

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.