Remote code execution in Microsoft SQL Server

1) Input validation error

EUVDB-ID: #VU64363

Risk: Medium

CVSSv4.0: 5.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2022-29143

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 SQL Server. A remote user can pass specially crafted input to the application and execute arbitrary code on the target system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Microsoft SQL Server: 2014 12.0.2000.8 - 2019 15.0.2000.5

CPE2.3

• cpe:2.3:a:microsoft:microsoft_sql_server:2014:12.0.2000.8:*:*:*:*:*:*
• cpe:2.3:a:microsoft:microsoft_sql_server:2016:13.0.1601.5:*:*:*:*:*:*
• cpe:2.3:a:microsoft:microsoft_sql_server:2017:14.0.1000.169:*:*:*:*:*:*
• cpe:2.3:a:microsoft:microsoft_sql_server:2019:15.0.2000.5:*:*:*:*:*:*

External links

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-29143

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user 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.