Stack-based buffer overflow in WECON LeviStudioU - CVE-2021-23138
Published: January 4, 2022 / Updated: January 27, 2022
Vulnerability identifier: #VU59149
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: CVE-2021-23138
CWE-ID: CWE-121
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
WECON LeviStudioU
WECON LeviStudioU
Software vendor:
WECON Technology Co., Ltd.
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 parsing XML or UMP files. A remote unauthenticated attacker can 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.
Remediation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.
External links
- https://ics-cert.us-cert.gov/advisories/icsa-21-355-03
- https://www.zerodayinitiative.com/advisories/ZDI-22-142/
- https://www.zerodayinitiative.com/advisories/ZDI-22-141/
- https://www.zerodayinitiative.com/advisories/ZDI-22-140/
- https://www.zerodayinitiative.com/advisories/ZDI-22-139/
- https://www.zerodayinitiative.com/advisories/ZDI-22-138/
- https://www.zerodayinitiative.com/advisories/ZDI-22-137/
- https://www.zerodayinitiative.com/advisories/ZDI-22-136/
- https://www.zerodayinitiative.com/advisories/ZDI-22-135/
- https://www.zerodayinitiative.com/advisories/ZDI-22-134/
- https://www.zerodayinitiative.com/advisories/ZDI-22-133/
- https://www.zerodayinitiative.com/advisories/ZDI-22-131/
- https://www.zerodayinitiative.com/advisories/ZDI-22-129/