SB2020101352 - Multiple vulnerabilities in Microsoft Windows Remote Desktop Protocol (RDP)

Description

This security bulletin contains information about 2 secuirty vulnerabilities.

1) Information disclosure (CVE-ID: CVE-2020-16896)

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 Remote Desktop Protocol (RDP). A remote attacker can run a specially crafted application against a server which provides RDP services and gain unauthorized access to sensitive information on the system.

2) Input validation error (CVE-ID: CVE-2020-16927)

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 Remote Desktop Protocol (RDP) . A remote attacker can run a specially crafted application against a server which provides RDP services and perform a denial of service (DoS) attack.

Remediation

Install update from vendor's website.

References

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16896
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16927