SB2023021427 - Multiple vulnerabilities in Microsoft WDAC OLE DB provider for SQL Server

Description

This security bulletin contains information about 3 secuirty vulnerabilities.

1) Input validation error (CVE-ID: CVE-2023-21799)

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

The vulnerability exists due to insufficient validation of user-supplied input in Microsoft WDAC OLE DB provider for SQL Server. A remote attacker can trick the victim into connecting to a malicious server and execute arbitrary code on the client.

2) Input validation error (CVE-ID: CVE-2023-21685)

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

The vulnerability exists due to insufficient validation of user-supplied input in Microsoft WDAC OLE DB provider for SQL Server. A remote attacker can trick the victim into connecting to a malicious server and execute arbitrary code on the client.

3) Input validation error (CVE-ID: CVE-2023-21686)

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

The vulnerability exists due to insufficient validation of user-supplied input in Microsoft WDAC OLE DB provider for SQL Server. A remote attacker can trick the victim into connecting to a malicious server and execute arbitrary code on the client.

Remediation

Install update from vendor's website.

References

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2023-21799
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2023-21685
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2023-21686