Main Vulnerability Database Vulnerabilities #VU72223

Buffer overflow in Microsoft Windows and Windows Server - CVE-2023-21797

Published: February 15, 2023

Vulnerability identifier: #VU72223

CSH Severity: Medium

CVSS v4: 7.5 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2023-21797

CWE-ID: CWE-119

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerability details

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.

Affected software

Microsoft Windows
Windows Server

How to mitigate CVE-2023-21797

Install updates from vendor's website.

External References

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

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