CVE-2017-0057 Information disclosure in Windows dnsclient

Medium 4.3 Published Updated

Remote attackers can obtain sensitive information by tricking Windows DNS clients into sending queries to malicious servers or via untrusted webpages.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2017-0057?

CVE-2017-0057 is a medium-severity vulnerability in Microsoft Windows 10, published on 17 Mar 2017. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

DNS client in Microsoft Windows 8.1; Windows Server 2012 R2, Windows RT 8.1; Windows 10 Gold, 1511, and 1607; and Windows Server 2016 fails to properly process DNS queries, which allows remote attackers to obtain sensitive information via (1) convincing a workstation user to visit an untrusted webpage or (2) tricking a server into sending a DNS query to a malicious DNS server, aka "Windows DNS Query Information Disclosure Vulnerability."

Weakness: CWE-200

Which versions are affected by CVE-2017-0057?

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-2017-0057?

No fix has been published for CVE-2017-0057 yet. Limit exposure of the affected software until one is available.

Is CVE-2017-0057 being exploited?

There is no known exploitation of CVE-2017-0057 in the wild and no public exploit code.

All Microsoft Windows 10 vulnerabilities

Sources

Also known as GHSA-gcfq-72w8-c7qj.

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