Microsoft Windows DNS LLMNR Query input validation

CVSS Meta Temp Score
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CTI Interest Score
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7.0$0-$5k0.00

A vulnerability classified as critical has been found in Microsoft Windows (Operating System) (unknown version). Affected is an unknown code block of the component DNS. The manipulation as part of a LLMNR Query leads to a input validation vulnerability. CWE is classifying the issue as CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

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."

The weakness was presented 04/12/2011 by Neel Mehta with Google Inc. as MS11-030 as confirmed bulletin (Technet). The advisory is available at microsoft.com. This vulnerability is traded as CVE-2011-0657 since 01/28/2011. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. The technical details are unknown and an exploit is not available.

It is declared as highly functional. As 0-day the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 53387 (MS11-030: Vulnerability in DNS Resolution Could Allow Remote Code Execution (2509553)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows : Microsoft Bulletins and running in the context l.

Upgrading eliminates this vulnerability. Applying the patch MS11-030 is able to eliminate this problem. The bugfix is ready for download at microsoft.com. The best possible mitigation is suggested to be upgrading to the latest version. A possible mitigation has been published immediately after the disclosure of the vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 10997.

The vulnerability is also documented in the databases at X-Force (66442) and Tenable (53387). See 4339, 4335, 4337 and 4336 for similar entries.

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CPE 2.3info

CPE 2.2info

CVSSv4info

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CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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Exploitinginfo

Class: Input validation
CWE: CWE-20
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Highly functional

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Nessus ID: 53387
Nessus Name: MS11-030: Vulnerability in DNS Resolution Could Allow Remote Code Execution (2509553)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 900282
OpenVAS Name: Microsoft DNS Resolution Remote Code Execution Vulnerability (2509553)
OpenVAS File: 🔍
OpenVAS Family: 🔍

MetaSploit ID: ms11_030_dnsapi.rb
MetaSploit Name: Microsoft Windows DNSAPI.dll LLMNR Buffer Underrun DoS
MetaSploit File: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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Patch: MS11-030
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Timelineinfo

01/28/2011 🔍
04/12/2011 +74 days 🔍
04/12/2011 +0 days 🔍
04/12/2011 +0 days 🔍
04/12/2011 +0 days 🔍
04/13/2011 +0 days 🔍
04/13/2011 +0 days 🔍
04/13/2011 +0 days 🔍
04/18/2011 +5 days 🔍
03/19/2021 +3623 days 🔍

Sourcesinfo

Vendor: microsoft.com
Product: microsoft.com

Advisory: MS11-030
Researcher: Neel Mehta
Organization: Google Inc.
Status: Confirmed

CVE: CVE-2011-0657 (🔍)
OVAL: 🔍
IAVM: 🔍

X-Force: 66442
Vulnerability Center: 31074 - [MS11-030] Microsoft Windows Remote Arbitrary Code Execution Vulnerability via Crafted LLMNR Queries, Critical
SecurityFocus: 47242
Secunia: 44161 - Microsoft Windows DNS LLMNR Query Processing Vulnerability, Moderately Critical
OSVDB: 71780 - Microsoft Windows DNS Client Service LLMNR Query Processing Remote Code Execution

See also: 🔍

Entryinfo

Created: 04/18/2011 02:00
Updated: 03/19/2021 09:20
Changes: 04/18/2011 02:00 (93), 03/21/2017 10:59 (7), 03/19/2021 09:20 (3)
Complete: 🔍

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