#VU17388 Stack-based buffer overflow in WECON LeviStudioU - CVE-2019-6537

Vulnerability identifier: #VU17388

Vulnerability risk: High

CVSSv4.0: 5.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2019-6537

CWE-ID: CWE-121

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
WECON LeviStudioU
Client/Desktop applications / Office applications

Vendor: WECON Technology Co., Ltd.

Description

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

The vulnerability exists due to a boundary error when handling malicious input. A remote attacker can trick the victim into processing a specially crafted Office file, trigger stack-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

WECON LeviStudioU: All versions

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External links
https://ics-cert.us-cert.gov/advisories/ICSA-19-036-03

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Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

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