SB2023071281 - Multiple vulnerabilities in Microsoft Windows Remote Desktop

Description

This security bulletin contains information about 2 vulnerabilities.

1) Security features bypass (CVE-ID: CVE-2023-32043)

CWE-ID: CWE-254 - Security Features

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to security features bypass in Windows Remote Desktop. A remote attacker can perform a man-in-the-middle (MitM) attack and bypass the certificate validation.

2) Security features bypass (CVE-ID: CVE-2023-35352)

CWE-ID: CWE-254 - Security Features

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to security features bypass in Windows Remote Desktop. A remote attacker can bypass certificate or private key authentication when establishing a remote desktop protocol session.

Remediation

Install update from vendor's website.

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-32043
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-35352