6.8 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
5.8 Medium
AI Score
Confidence
High
0.944 High
EPSS
Percentile
99.2%
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, as used by Internet Explorer and other applications, does not properly handle a ‘\0’ character in a domain name in the subject’s Common Name (CN) field of an X.509 certificate, which allows man-in-the-middle attackers to spoof arbitrary SSL servers via a crafted certificate issued by a legitimate Certification Authority, aka “Null Truncation in X.509 Common Name Vulnerability,” a related issue to CVE-2009-2408.
www.networkworld.com/news/2009/073009-more-holes-found-in-webs.html
www.networkworld.com/news/2009/091709-microsoft-ie-security-hole.html
www.securityfocus.com/bid/36475
www.us-cert.gov/cas/techalerts/TA09-286A.html
www.wired.com/threatlevel/2009/07/kaminsky/
docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-056
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5842