Description
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."
Exploits (1)
exploitdb
WORKING POC
VERIFIED
by Dan Kaminsky · textremotewindows
https://www.exploit-db.com/exploits/33264
References (3)
Core 3
Core References
US Government Resource third-party-advisory
x_refsource_cert
http://www.us-cert.gov/cas/techalerts/TA09-286A.html
Third Party Advisory, VDB Entry vdb-entry
signature
x_refsource_oval
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6186
Vendor Advisory vendor-advisory
x_refsource_ms
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-056
Scores
EPSS
0.1451
EPSS Percentile
94.5%
Details
CWE
CWE-189
Status
published
Products (6)
microsoft/windows_2000
microsoft/windows_7
microsoft/windows_server_2003
microsoft/windows_server_2008
(8 CPE variants)
microsoft/windows_vista
(3 CPE variants)
microsoft/windows_xp
(3 CPE variants)
Published
Oct 14, 2009
Tracked Since
Feb 18, 2026