#VU79153 Input validation error in Microsoft products - CVE-2023-38169

Vulnerability identifier: #VU79153

Vulnerability risk: High

CVSSv4.0: 6.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2023-38169

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Microsoft SQL Server
Server applications / Database software
OLE DB Driver
Universal components / Libraries / Software for developers
Microsoft ODBC Driver for SQL Server on Linux
Universal components / Libraries / Software for developers
Microsoft ODBC Driver for SQL Server on macOS
Universal components / Libraries / Software for developers
Microsoft ODBC Driver for SQL Server on Windows
Universal components / Libraries / Software for developers

Vendor: Microsoft

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, 2022 CU5, 2019 CU21, 2019 CU21

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

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

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

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

---

External links
https://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.

Is there known malware, which exploits this vulnerability?

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