CVE-2011-0657

Description

DNSAPI.dll in the DNS client in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP1 and SP2, Windows Server 2008 Gold, SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 does not properly process DNS queries, which allows remote attackers to execute arbitrary code via (1) a crafted LLMNR broadcast query or (2) a crafted application, aka "DNS Query Vulnerability."

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
CVSS 2.0 •
EPSS 49.70% Top 5%
Vendor Advisory microsoft.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11902 vdb entry signature
http://www.us-cert.gov/cas/techalerts/TA11-102A.html third party advisory us government resource
http://www.securitytracker.com/id?1025332 vdb entry
http://secunia.com/advisories/44161 third party advisory
http://www.vupen.com/english/advisories/2011/0948 vdb entry
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-030 vendor advisory
http://www.securityfocus.com/bid/47242 vdb entry
http://osvdb.org/71780 vdb entry

Frequently Asked Questions

What is the severity of CVE-2011-0657?
CVE-2011-0657 has been scored as a critical severity vulnerability.
How to fix CVE-2011-0657?
To fix CVE-2011-0657, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2011-0657 being actively exploited in the wild?
It is possible that CVE-2011-0657 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~50% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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