CVE-2009-2511

Microsoft Internet Explorer 8 - X.509 Certificate Common Name Encoding Multiple Security Bypass Vulnerabilities

Severity Score

7.5

*CVSS v2

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Integer overflow in the CryptoAPI component in Microsoft Windows 2000 SP4, Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista Gold, SP1, and SP2, Windows Server 2008 Gold, SP2, and R2, and Windows 7 allows man-in-the-middle attackers to spoof arbitrary SSL servers and other entities via an X.509 certificate that has a malformed ASN.1 Object Identifier (OID) and was issued by a legitimate Certification Authority, aka "Integer Overflow in X.509 Object Identifiers Vulnerability."

Desbordamiento de entero en el componente CryptoAPI en Microsoft Windows 2000 SP4, Windows XP SP2 y SP3, Windows Server 2003 SP2, Windows Vista Gold, SP1, y SP2, Windows Server 2008 Gold, SP2, y R2, y Windows 7 permite a atacantes man-in-the-middle engañar de forma arbitraria a servidores SSL y otras entidades a traves de un certificado X.509 que tiene un identificador de objeto (OID) malformado que fue creado por una certificadora legitima, también conocido como "Vulnerabilidad de desbordamiento de entero en identificadores de objeto X.509".

*Credits: N/A

CVSS Scores

NISTv2 7.5

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2009-07-17 CVE Reserved
2009-08-05 First Exploit
2009-10-14 CVE Published
2024-08-07 CVE Updated
2024-10-27 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-189: Numeric Errors

CAPEC

References (4)

URL	Tag	Source
http://www.us-cert.gov/cas/techalerts/TA09-286A.html	Third Party Advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6186	Signature

URL	Date	SRC
https://www.exploit-db.com/exploits/33264	2009-08-05

URL	Date	SRC

URL	Date	SRC
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-056	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 2000 Search vendor "Microsoft" for product "Windows 2000"				*		sp4		Affected
Microsoft Search vendor "Microsoft"		Windows 7 Search vendor "Microsoft" for product "Windows 7"				-		-		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"				*		r2, itanium		Affected
Microsoft Search vendor "Microsoft"		Windows Server 2008 Search vendor "Microsoft" for product "Windows Server 2008"				*		r2, 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"				*		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 Vista Search vendor "Microsoft" for product "Windows Vista"				*		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"				*		sp2, professional_x64		Affected
Microsoft Search vendor "Microsoft"		Windows Xp Search vendor "Microsoft" for product "Windows Xp"				*		sp3		Affected