Remote code execution in Microsoft OLE DB

1) Input validation error

EUVDB-ID: #VU79153

Risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-38169

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

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

The vulnerability exists due to insufficient validation of user-supplied input in Microsoft OLE DB. A remote attacker can trick a victim into attempting to connect to a malicious SQL server via OLEDB and execute arbitrary code on the target system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Microsoft SQL Server: before 2019 CU21 15.0.4316.3, 2022 CU5 16.0.4045.3, 2019 CU21 15.0.4316.3

OLE DB Driver: before 18.6.6 18.6.0006.0, 19.3.1 19.3.0001.0, 18.6.6 18.6.0006.0

Microsoft ODBC Driver for SQL Server on Linux: before 18.2.2, 18.3.1

Microsoft ODBC Driver for SQL Server on macOS: before 18.2.2, 18.3.1

Microsoft ODBC Driver for SQL Server on Windows: before 18.2.2.1 2018.182.2.1, 18.3.1.1

CPE2.3

• cpe:2.3:a:microsoft:microsoft_sql_server:*:*:*:*:*:*:*:*
• cpe:2.3:a:microsoft:ole_db_driver:*:*:*:*:*:*:*:*
• cpe:2.3:a:microsoft:odbc_driver_linux:*:*:*:*:*:*:*:*
• cpe:2.3:a:microsoft:odbc_driver_macos:*:*:*:*:*:*:*:*
• cpe:2.3:a:microsoft:odbc_driver_windows:*:*:*:*:*:*:*:*

External links

http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2023-38169

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.