SB2021121009 - Multiple vulnerabilities in Gerbv

Description

This security bulletin contains information about 2 secuirty vulnerabilities.

1) Buffer overflow (CVE-ID: CVE-2021-40393)

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

The vulnerability exists due to a boundary error in the RS-274X aperture macro variables handling functionality. A remote attacker can create a specially crafted gerber file, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

2) Integer overflow (CVE-ID: CVE-2021-40394)

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

The vulnerability exists due to integer overflow in the RS-274X aperture macro outline primitive functionality. A remote attacker can use a specially crafted gerber file, trigger integer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Remediation

Install update from vendor's website.

References

• https://www.talosintelligence.com/vulnerability_reports/TALOS-2021-1404
• https://www.talosintelligence.com/vulnerability_reports/TALOS-2021-1405