|Number of vulnerabilities||1|
|Public exploit||Public exploit code for vulnerability #1 is available.|
Operating systems & Components / Operating system
This security bulletin contains one critical risk vulnerability.
Exploit availability: YesDescription
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error when processing DNS requests. A remote non-authenticated attacker can send a specially crafted DNS request to the affected DNS server, trigger memory corruption and execute arbitrary code on the target system with privileges of the Local System Account.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.Mitigation
Install updates from vendor's website.Vulnerable software versions
Windows Server: 2008, 2008 R2, 2012, 2012 R2, 2016, 2019, 2019 1903, 2019 1909, 2019 2004CPE2.3
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. However, proof of concept for this vulnerability is available.