CVE-2011-0657

Microsoft Windows DNSAPI.dll LLMNR Buffer Underrun Denial of Service

Severity Score

9.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Attend

*SSVC

Descriptions

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."

DNSAPI.dll del cliente DNS de Microsoft Windows XP SP2 y SP3, Windows Server 2003 SP2, Windows Vista SP1 y SP2, Windows Server 2008 Gold, SP2, R2, y R2 SP1, y Windows 7 Gold y SP1 no procesa apropiadamente las peticiones DNS, lo que permite a atacantes remotos ejecutar código de su elección a través de (1) una petición broadcast LLMNR modificada o (2) una aplicación modificada. También conocido como "Vulnerabilidad de la petición DNS".

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:Attend

Exploitation

None

Automatable

Yes

Tech. Impact

Total

* Organization's Worst-case Scenario

Timeline

2011-01-28 CVE Reserved
2011-04-13 CVE Published
2024-06-13 EPSS Updated
2024-10-17 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-20: Improper Input Validation

CAPEC

References (8)

URL	Tag	Source
http://osvdb.org/71780	Vdb Entry
http://secunia.com/advisories/44161	Third Party Advisory
http://www.securityfocus.com/bid/47242	Vdb Entry
http://www.securitytracker.com/id?1025332	Vdb Entry
http://www.us-cert.gov/cas/techalerts/TA11-102A.html	Third Party Advisory
http://www.vupen.com/english/advisories/2011/0948	Vdb Entry
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11902	Signature

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-030	2023-12-07

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Microsoft Search vendor "Microsoft"		Windows 2003 Server Search vendor "Microsoft" for product "Windows 2003 Server"				*		sp2		Affected
Microsoft Search vendor "Microsoft"		Windows 7 Search vendor "Microsoft" for product "Windows 7"				-		-		Affected
Microsoft Search vendor "Microsoft"		Windows 7 Search vendor "Microsoft" for product "Windows 7"				-		sp1, x64		Affected
Microsoft Search vendor "Microsoft"		Windows 7 Search vendor "Microsoft" for product "Windows 7"				-		sp1, x86		Affected
Microsoft Search vendor "Microsoft"		Windows Server 2003 Search vendor "Microsoft" for product "Windows Server 2003"				*		sp2		Affected
Microsoft Search vendor "Microsoft"		Windows Server 2008 Search vendor "Microsoft" for product "Windows Server 2008"				*		itanium		Affected
Microsoft Search vendor "Microsoft"		Windows Server 2008 Search vendor "Microsoft" for product "Windows Server 2008"				*		x32		Affected
Microsoft Search vendor "Microsoft"		Windows Server 2008 Search vendor "Microsoft" for product "Windows Server 2008"				*		x64		Affected
Microsoft Search vendor "Microsoft"		Windows Server 2008 Search vendor "Microsoft" for product "Windows Server 2008"				*		sp2, x32		Affected
Microsoft Search vendor "Microsoft"		Windows Server 2008 Search vendor "Microsoft" for product "Windows Server 2008"				*		sp2, x64		Affected
Microsoft Search vendor "Microsoft"		Windows Server 2008 Search vendor "Microsoft" for product "Windows Server 2008"				-		sp2, itanium		Affected
Microsoft Search vendor "Microsoft"		Windows Server 2008 Search vendor "Microsoft" for product "Windows Server 2008"				r2 Search vendor "Microsoft" for product "Windows Server 2008" and version "r2"		itanium		Affected
Microsoft Search vendor "Microsoft"		Windows Server 2008 Search vendor "Microsoft" for product "Windows Server 2008"				r2 Search vendor "Microsoft" for product "Windows Server 2008" and version "r2"		x64		Affected
Microsoft Search vendor "Microsoft"		Windows Vista Search vendor "Microsoft" for product "Windows Vista"				*		sp1		Affected
Microsoft Search vendor "Microsoft"		Windows Vista Search vendor "Microsoft" for product "Windows Vista"				*		sp2		Affected
Microsoft Search vendor "Microsoft"		Windows Xp Search vendor "Microsoft" for product "Windows Xp"				*		sp2		Affected
Microsoft Search vendor "Microsoft"		Windows Xp Search vendor "Microsoft" for product "Windows Xp"				*		sp3		Affected
Microsoft Search vendor "Microsoft"		Windows Xp Search vendor "Microsoft" for product "Windows Xp"				-		sp2, x64		Affected