Critical Vulnerability in Windows RDP
"Yesterday, during Microsoft's Patch Tuesday they announced a patch
for a critical vulnerability in Windows Remote Desktop. If exploited,
the vulnerability would allow anyone to remotely run commands on your
server.
This bug affects all versions of Windows (XP - 7/2008 R2)
If you have a server or workstation running RDP please patch it now.
There currently is no known exploit, but Microsoft believes there will
be one in the next 30 days. However, it is very likely there will be
something sooner.
A temporary fix is to enable NLA (Network Layer Authentication). This
would require the attacker to have valid login credentials, however if
successfully exploited the remote commands would run as the SYSTEM
user and not the user authenticated."
The patch is available from Windows Update and there are manual
patches linked below.
Microsoft Security Bulletin MS12-020 - Critical : Vulnerabilities in Remote Desktop Could Allow Remote Code Execution (2671387)
CVE-2012-0002: A closer look at MS12-020's critical issue - Security Research & Defense - Site Home - TechNet Blogs
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