Threat Level: green Handler on Duty: Brad Duncan

SANS ISC: Microsoft Patch Tuesday - SANS Internet Storm Center Microsoft Patch Tuesday


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Microsoft Patch Tuesday 2009-03-10

MS90-06
Title Multiple input validation vulnerabilities in the windows kernel allow random code execution though the GDI component (WMF and EMF files yet again), and privilege escalations that allow random code to be run in kernel mode.
Replaces MS80-61
Affected Windows kernel
KB KB958690
Known Exploits No
Microsoft Rating Critical
ISC Client Rating Critical
ISC Server Rating Critical
CVE Exploitability
2009-0081 3
2009-0082 2
2009-0083 3
MS90-07
Title Secure Channel (SChannel) implements SSL and TLS. When using client certificates (X.509) the server implementation fails to properly validate that the client has access to the private key and allows impersonation using only knowledge of the public key of
Replaces MS70-31
Affected Secure Channel (SChanne)l
KB KB960225
Known Exploits No
Microsoft Rating Important
ISC Client Rating N/A
ISC Server Rating N/A
CVE Exploitability
2009-0085 2
MS90-08
Title Multiple vulnerabilities in the DNS and WINS server implementation. DNS spoofing is made easier by allowing a more predicable transaction ID, possible causing DNS cache poisoning. The update also fixes the problem with WPAD (Web Proxy Auto Discovery) desc
Replaces MS80-34, MS80-37, MS80-66
Affected DNS and WINS server
KB KB962238
Known Exploits No
Microsoft Rating Important
ISC Client Rating N/A
ISC Server Rating N/A
CVE Exploitability
2009-0093 2
2009-0094 2
2009-0233 2
2009-0234 2
We will update issues on this page for about a week or so as they evolve. We appreciate your updates!
US based customers can call Microsoft for free patch related support on 1-866-PCSAFETY
(*): ISC rating
  • We use 4 levels:
    • PATCH NOW: Typically used where we see immediate danger of exploitation. Typical environments will want to deploy these patches ASAP. Workarounds are typically not accepted by users or are not possible. This rating is often used when typical deployments make it vulnerable and exploits are being used or easy to obtain or make.
    • Critical: Anything that needs little to become "interesting" for the dark side. Best approach is to test and deploy ASAP. Workarounds can give more time to test.
    • Important: Things where more testing and other measures can help.
    • Less Urgent: practices for servers such as not using outlook, MSIE, word etc. to do traditional office or leisure work.
    • The rating is not a risk analysis as such. It is a rating of importance of the vulnerability and the perceived or even predicted threatatches.