SB2023021426 - Multiple vulnerabilities in Microsoft SQL Server
Published: February 14, 2023 Updated: February 15, 2023
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 6 secuirty vulnerabilities.
1) Input validation error (CVE-ID: CVE-2023-21704)
The vulnerability allows a remote user to compromise the affected system.
The vulnerability exists due to insufficient validation of user-supplied input in Microsoft ODBC Driver for SQL Server. A remote user can pass specially crafted input to the server and execute arbitrary code on the system.
2) Input validation error (CVE-ID: CVE-2023-21568)
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 within the Microsoft SQL Server Integration Service (VS extension). A remote attacker can trick the victim to open a specially crafted file and execute arbitrary code on the server.
3) Input validation error (CVE-ID: CVE-2023-21705)
The vulnerability allows a remote user to execute arbitrary code on the system.
The vulnerability exists due to insufficient validation of user-supplied input. A remote user can send specially crafted data to the SQL server and execute arbitrary code on the system.
4) Input validation error (CVE-ID: CVE-2023-21528)
The vulnerability allows a remote user to execute arbitrary code on the system.
The vulnerability exists due to insufficient validation of user-supplied input. A remote user can send specially crafted data to the SQL server and execute arbitrary code on the system.
5) Input validation error (CVE-ID: CVE-2023-21713)
The vulnerability allows a remote user to execute arbitrary code on the system.
The vulnerability exists due to insufficient validation of user-supplied input. A remote user can send specially crafted data to the SQL server and execute arbitrary code on the system.
6) Input validation error (CVE-ID: CVE-2023-21718)
The vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due to insufficient validation of user-supplied input in Microsoft SQL ODBC Driver. A remote attacker can trick the victim to connect to a malicious SQL server database via ODBC and execute arbitrary code on the system.
Remediation
Install update from vendor's website.
References
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2023-21704
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2023-21568
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2023-21705
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2023-21528
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2023-21713
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21718