Remote code execution in Microsoft Windows DNS Server



Published: 2021-02-09
Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-24078
CWE-ID CWE-20
Exploitation vector Network
Public exploit N/A
Vulnerable software
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Windows Server
Operating systems & Components / Operating system

Vendor Microsoft

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Input validation error

EUVDB-ID: #VU50475

Risk: High

CVSSv3.1:

CVE-ID: CVE-2021-24078

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 Windows DNS Server. A remote attacker 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

Windows Server: 2008 - 2019 2004


CPE2.3 External links

http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-24078

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?



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