WECON LeviStudioU Versions 2019-09-21 and prior are vulnerable to multiple stack-based buffer overflow instances while parsing project files, which may allow an attacker to execute arbitrary code.

References

• https://nvd.nist.gov/vuln/detail/CVE-2021-43983
• https://www.cisa.gov/uscert/ics/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/