#VU81827 Input validation error in Microsoft products - CVE-2023-36728


Vulnerability identifier: #VU81827

Vulnerability risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-36728

CWE-ID: CWE-20

Exploitation vector: Local

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 local user to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input in Microsoft SQL Server. A local user can pass specially crafted input to the application and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Microsoft SQL Server: before 2014 SP3 GDR, 2014 SP3 CU4, 2016 SP3 GDR, 2016 SP3, 2017 GDR, 2017 CU31, 2019 GDR, 2019 CU22, 2022 GDR, 2022 CU8, 2014 SP3 GDR, 2014 SP3 GDR, 2014 SP3 GDR, 2014 SP3 GDR, 2014 SP3 GDR

OLE DB Driver: before 19.3.0002.0, 19.3.0002.0

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 18.6.0007.0, 18.6.0007.0

External links
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-36728

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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


Latest bulletins with this vulnerability


Multiple vulnerabilities in Siemens Telecontrol Server Basic
Denial of service in Microsoft SQL Server