Vulnerability identifier: #VU13294
Vulnerability risk: High
CVSSv3.1: 7.8 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-119
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
Windows
Operating systems & Components /
Operating system
Windows Server
Operating systems & Components /
Operating system
Vendor: Microsoft
Description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to boundary error within DNSAPI.dll when handling responses from DNS server. A remote attacker can host a malicious DNS server, trick the client to send a request to that DNS server, trigger memory corruption and execute arbitrary code on the vulnerable system in the context 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: 8.1 - 8.1 RT, 7, 10
Windows Server: 2008 - 2016
External links
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8225
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.