SB2022051019 - Remote code execution in Microsoft Point-to-Point Tunneling Protocol

Description

This security bulletin contains information about 2 secuirty vulnerabilities.

1) Race condition (CVE-ID: CVE-2022-21972)

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

The vulnerability exists due to a race condition in Point-to-Point Tunneling Protocol. A remote attacker can send a specially crafted connection request to a RAS server and execute arbitrary code on the target system.

2) Race condition (CVE-ID: CVE-2022-23270)

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

The vulnerability exists due to a race condition in Point-to-Point Tunneling Protocol. A remote attacker can send a specially crafted connection request to a RAS server and execute arbitrary code on the target system.

Remediation

Install update from vendor's website.

References

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-21972
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-23270