Remote code execution in Microsoft ODBC Driver

Published: 2023-02-15

Risk	Medium
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2023-21797 CVE-2023-21798
CWE-ID	CWE-119
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	Windows Operating systems & Components / Operating system Windows Server Operating systems & Components / Operating system
Vendor	Microsoft

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Buffer overflow

EUVDB-ID: #VU72223

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-21797

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in Microsoft ODBC Driver. A remote attacker can trick the victim into connecting to a malicious SQL server, trigger memory corruption and execute arbitrary code on the client's system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Windows: 10 - 11 22H2

Windows Server: 2008 - 2022 20H2

External links

http://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21797

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.

2) Buffer overflow

EUVDB-ID: #VU72222