CVE-2009-2510 Security feature bypass in n/a
Man-in-the-middle attackers can spoof SSL servers by exploiting null character handling in X.509 certificate Common Name fields within Windows CryptoAPI.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2009-2510?
CVE-2009-2510 is a medium-severity vulnerability in Microsoft Windows 2000, published on 14 Oct 2009. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
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.
Weakness: CWE-310
Which versions are affected by CVE-2009-2510?
It affects 6 products.
Products include Microsoft Windows 2000, Microsoft Windows 2003 Server, Microsoft Windows 7, Microsoft Windows Server 2008, Microsoft Windows Vista, Microsoft Windows Xp.
How do I fix CVE-2009-2510?
No fix has been published for CVE-2009-2510 yet. Limit exposure of the affected software until one is available.
Is CVE-2009-2510 being exploited?
There is no known exploitation of CVE-2009-2510 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Windows 2000
Sources
Also known as CVE-2009-3454, GHSA-3jw8-9rgf-396w.