#VU81801 Input validation error in Microsoft products - CVE-2023-36730

Vulnerability identifier: #VU81801

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-2023-36730

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Microsoft SQL Server
Server applications / Database software
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 ODBC Driver for SQL Server. A remote attacker can trick a victim to connect to a malicious SQL server via ODBC 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

Microsoft ODBC Driver for SQL Server on Linux: before 17.10.5.1, 18.3.2.1, 17.10.5.1, 17.10.5.1

Microsoft ODBC Driver for SQL Server on macOS: before 17.10.5.1, 18.3.2.1, 17.10.5.1, 17.10.5.1

Microsoft ODBC Driver for SQL Server on Windows: before 17.10.5.1, 18.6.0007.0, 17.10.5.1, 17.10.5.1

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External links
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2023-36730

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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.