Stack-based buffer overflow in WECON LeviStudioU - #VU60824

Vulnerability identifier: #VU60824

CSH Severity: High

CVSSv4.0: 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: N/A

CWE-ID: CWE-121

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerable software:
WECON LeviStudioU

Software vendor:
WECON Technology Co., Ltd.

The vulnerability allows a remote attacker to execute arbitrary code on the target system. The vulnerability exists due to a boundary error within the parsing of Alarm tags in bitaddr attribute within UMP files. A remote unauthenticated attacker can trick a victim to open a specially crafted UMP 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.

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

• https://www.zerodayinitiative.com/advisories/ZDI-22-398/