#VU81824 Input validation error in Microsoft SQL Server and OLE DB Driver - CVE-2023-36417

Vulnerability identifier: #VU81824

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-2023-36417

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

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 SQL ODBC Driver. A remote attacker can trick a victim to connect to a malicious SQL server and execute arbitrary code on the target system. 

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Microsoft SQL Server: before 2019 GDR, 2019 CU22, 2022 GDR, 2022 CU8, 2019 GDR, 2019 GDR

OLE DB Driver: before 19.3.0002.0, 19.3.0002.0

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External links
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-36417

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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.