Stack-based buffer overflow in WECON LeviStudioU - CVE-2021-43983
Published: December 10, 2021 / Updated: January 17, 2022
Vulnerability identifier: #VU58815
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-2021-43983
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 while parsing project files. A remote unauthenticated attacker can trick the 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.
Remediation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.
External links
- https://ics-cert.us-cert.gov/advisories/icsa-21-343-02
- https://www.zerodayinitiative.com/advisories/ZDI-22-034/
- https://www.zerodayinitiative.com/advisories/ZDI-22-035/
- https://www.zerodayinitiative.com/advisories/ZDI-22-036/
- https://www.zerodayinitiative.com/advisories/ZDI-22-037/
- https://www.zerodayinitiative.com/advisories/ZDI-22-038/
- https://www.zerodayinitiative.com/advisories/ZDI-22-039/
- https://www.zerodayinitiative.com/advisories/ZDI-22-040/
- https://www.zerodayinitiative.com/advisories/ZDI-22-041/
- https://www.zerodayinitiative.com/advisories/ZDI-22-042/
- https://www.zerodayinitiative.com/advisories/ZDI-22-043/
- https://www.zerodayinitiative.com/advisories/ZDI-22-044/
- https://www.zerodayinitiative.com/advisories/ZDI-22-045/
- https://www.zerodayinitiative.com/advisories/ZDI-22-046/
- https://www.zerodayinitiative.com/advisories/ZDI-22-047/