CVE-2011-2003

Microsoft Windows - '.fon' Kernel-Mode Buffer Overrun (PoC) (MS11-077)

Severity Score

9.3

*CVSS v2

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Buffer overflow in win32k.sys in the kernel-mode drivers in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2, R2, and R2 SP1, and Windows 7 Gold and SP1 allows remote attackers to execute arbitrary code via a crafted .fon file, aka "Font Library File Buffer Overrun Vulnerability."

Un desbordamiento de búfer en win32k.sys en los controladores en modo kernel de Microsoft Windows XP SP2 y SP3, Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 Service Pack 2, R2 y R2 SP1, y Windows 7 Gold y SP1 permite a atacantes remotos ejecutar código de su elección mediante un archivo .fon específicamente modificado para tal fin. También conocida como "Vulnerabilidad de saturación de bufer de fichero de biblioteca de fuentes".

*Credits: N/A

CVSS Scores

NISTv2 9.3

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

Complete

Integrity

Complete

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2011-05-09 CVE Reserved
2011-10-12 CVE Published
2011-10-13 First Exploit
2024-07-21 EPSS Updated
2024-08-06 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer

CAPEC

References (5)

URL	Tag	Source
http://securityreason.com/securityalert/8473	Third Party Advisory
http://www.securitytracker.com/id?1026165	Vdb Entry
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A13103	Signature

URL	Date	SRC
https://www.exploit-db.com/exploits/17978	2011-10-13

URL	Date	SRC

URL	Date	SRC
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-077	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"				*		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"				*		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