CVE-2017-11779 Memory corruption in Windows Domain Name System (DNS)
Remote attackers can execute arbitrary code on Windows systems by sending malicious DNS responses to the DNSAPI.dll component.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2017-11779?
CVE-2017-11779 is a high-severity memory corruption vulnerability in Microsoft Windows 10, published on 13 Oct 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The Microsoft Windows Domain Name System (DNS) DNSAPI.dll on Microsoft Windows 8.1, Windows Server 2012 R2, Windows RT 8.1, Windows 10 Gold, 1511, 1607, and 1703, and Windows Server 2016 allows a remote code execution vulnerability when it fails to properly handle DNS responses, aka "Windows DNSAPI Remote Code Execution Vulnerability".
Which versions are affected by CVE-2017-11779?
It affects 5 products.
Products include Microsoft Windows 10, Microsoft Windows 8.1, Microsoft Windows Rt 8.1, Microsoft Windows Server 2012, Microsoft Windows Server 2016.
How do I fix CVE-2017-11779?
No fix has been published for CVE-2017-11779 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2017-11779 being exploited?
There is no known exploitation of CVE-2017-11779 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Windows 10
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- CVE-2015-1769 Microsoft Windows Mount Manager Privilege Escalation
- CVE-2020-1467 Windows Hard Link Elevation of Privilege Vulnerability
- CVE-2021-26424 Windows TCP/IP Remote Code Execution Vulnerability
- CVE-2021-28476 Windows Hyper-V Remote Code Execution Vulnerability
Sources
Also known as GHSA-pm2x-f9j3-mfm9.