CVE-2009-2511

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Summary

CVECVE-2009-2511
StatePUBLISHED
Assignermicrosoft
Source PriorityCVE Program / NVD first with legacy fallback
Published2009-10-14 10:30:01 UTC
Updated2026-04-23 00:35:47 UTC
DescriptionInteger 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."

Risk And Classification

Primary CVSS: v2.0 7.5 from [email protected]

AV:N/AC:L/Au:N/C:P/I:P/A:P

Problem Types: CWE-189 | n/a

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Low
Authentication
None
Confidentiality
Partial
Integrity
Partial
Availability
Partial

AV:N/AC:L/Au:N/C:P/I:P/A:P

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Microsoft Windows 2000 All sp4 All All
Operating System Microsoft Windows 7 - All All All
Operating System Microsoft Windows Server 2003 All sp2 All All
Operating System Microsoft Windows Server 2008 All All itanium All
Operating System Microsoft Windows Server 2008 All All x32 All
Operating System Microsoft Windows Server 2008 All All x64 All
Operating System Microsoft Windows Server 2008 All r2 itanium All
Operating System Microsoft Windows Server 2008 All r2 x64 All
Operating System Microsoft Windows Server 2008 All sp2 itanium All
Operating System Microsoft Windows Server 2008 All sp2 x32 All
Operating System Microsoft Windows Server 2008 All sp2 x64 All
Operating System Microsoft Windows Vista All All x64 All
Operating System Microsoft Windows Vista All sp1 All All
Operating System Microsoft Windows Vista All sp2 All All
Operating System Microsoft Windows Xp All sp2 All All
Operating System Microsoft Windows Xp All sp2 professional_x64 All
Operating System Microsoft Windows Xp All sp3 All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
US-CERT Technical Cyber Security Alert TA09-286A -- Microsoft Updates for Multiple Vulnerabilities af854a3a-2127-422b-91ae-364da2661108 www.us-cert.gov US Government Resource
Microsoft Security Bulletin MS09-056 - Important | Microsoft Docs af854a3a-2127-422b-91ae-364da2661108 docs.microsoft.com
Repository / Oval Repository af854a3a-2127-422b-91ae-364da2661108 oval.cisecurity.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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