CVE-2013-3876 Weak cryptography in n/a
Man-in-the-middle attackers can spoof servers and read encrypted domain credentials due to improper X.509 certificate verification in Windows DirectAccess.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2013-3876?
CVE-2013-3876 is a high-severity vulnerability in Microsoft Windows 7, published on 16 Nov 2013. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
DirectAccess in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP1 and SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows 8.1, Windows Server 2012 Gold and R2, and Windows RT Gold and 8.1 does not properly verify server X.509 certificates, which allows man-in-the-middle attackers to spoof servers and read encrypted domain credentials via a crafted certificate.
Weakness: CWE-20
Which versions are affected by CVE-2013-3876?
It affects 10 products.
Products include Microsoft Windows 7, Microsoft Windows 8, Microsoft Windows 8.1, Microsoft Windows Rt, Microsoft Windows Rt 8.1, Microsoft Windows Server 2003 and 4 more.
How do I fix CVE-2013-3876?
No fix has been published for CVE-2013-3876 yet. Limit exposure of the affected software until one is available.
Is CVE-2013-3876 being exploited?
There is no known exploitation of CVE-2013-3876 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Windows 7
- CVE-2015-1635 Microsoft HTTP.sys Remote Code Execution
- CVE-2015-2360 Microsoft Win32k Privilege Escalation
- CVE-2014-6324 Microsoft Kerberos Key Distribution Center (KDC) Privilege Escalation
- CVE-2014-6332 Microsoft Windows Object Linking & Embedding (OLE) Automation Array Remote Code Execution
- CVE-2014-4148 Microsoft Windows Remote Code Execution
Sources
Also known as GHSA-vmmr-9gm6-5j6r.