SB2023071181 - Multiple vulnerabilities in Microsoft Windows Layer-2 Bridge Network Driver

Description

This security bulletin contains information about 2 secuirty vulnerabilities.

1) Input validation error (CVE-ID: CVE-2023-35315)

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

The vulnerability exists due to insufficient validation of user-supplied input in the Windows Layer-2 Bridge Network Driver. A remote attacker on the local network can pass specially crafted input to the application and execute arbitrary code on the target system.

2) Information disclosure (CVE-ID: CVE-2023-32037)

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to excessive data output by the application in the Windows Layer-2 Bridge Network Driver. A remote attacker on the local network can gain unauthorized access to sensitive information on the system.

Remediation

Install update from vendor's website.

References

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2023-35315
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2023-32037