SB2022110806 - Multiple vulnerabilities in Microsoft Network Policy Server (NPS) RADIUS Protocol

Description

This security bulletin contains information about 2 secuirty vulnerabilities.

1) Input validation error (CVE-ID: CVE-2022-41056)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input in the Network Policy Server (NPS) RADIUS Protocol. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.

2) Information disclosure (CVE-ID: CVE-2022-41097)

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 Network Policy Server (NPS) RADIUS Protocol. A remote user 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-2022-41056
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-41097