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 2009-04-14

MS90-09
Title Multiple memory corruption vulnerabilities allow random code execution. Also affect Excel viewer and Mac OS X versions of Microsoft Office.
Replaces MS80-74
Affected Excel
KB KB968557
Known Exploits Yes
Microsoft Rating Critical
ISC Client Rating Patch now
ISC Server Rating Patch now
CVE Exploitability
2009-0100 2
2009-0238 1
MS90-10
Title Multiple vulnerabilities allow random code execution
Replaces MS40-27
Affected Wordpad & office converters
KB KB960477
Known Exploits Yes
Microsoft Rating Critical
ISC Client Rating Patch now
ISC Server Rating Patch now
CVE Exploitability
2009-0087 2
2009-0088 1
2009-0235 1
2008-4841 1
MS90-11
Title MJPEG (don't confuse with mpeg) input validation error allows random code execution
Replaces MS80-33
Affected DirectX
KB KB961373
Known Exploits No
Microsoft Rating Critical
ISC Client Rating Critical
ISC Server Rating Critical
CVE Exploitability
2009-0084 2
MS90-12
Title Multiple vulnerabilities allow privilege escalation and random code execution. Affects servers with IIS and SQLserver installed and more.
Replaces MS70-22, MS80-02, MS80-64
Affected Windows
KB KB959454
Known Exploits Yes
Microsoft Rating Important
ISC Client Rating Important
ISC Server Rating Important
CVE Exploitability
2009-0078 1
2009-0079 1
2009-0080 1
2008-1436 1
MS90-13
Title Multiple vulnerabilities allow random code execution, spoofing of https certificates and NTLM credential reflection. Related to MS09-014 (below).
Replaces
Affected HTTP services
KB KB960803
Known Exploits No
Microsoft Rating Critical
ISC Client Rating Critical
ISC Server Rating Critical
CVE Exploitability
2009-0086 1
2009-0089 1
2009-0550 1
MS90-14
Title Cumulative MSIE patch.
Replaces MS80-73, MS80-78, MS90-02, MS90-13
Affected IE
KB KB963027
Known Exploits Yes
Microsoft Rating Critical
ISC Client Rating Patch now
ISC Server Rating Patch now
CVE Exploitability
2009-0550 1
2009-0551 2
2009-0552 3
2009-0553 3
2009-0554 1
2008-2540 3
MS90-15
Title Update to make the system search for libraries first in the system directory by default and an API to change the order.
Replaces MS70-35, MS90-14
Affected SearchPath
KB KB959426
Known Exploits No
Microsoft Rating Moderate
ISC Client Rating Important
ISC Server Rating Important
CVE Exploitability
2008-2540 2
MS90-16
Title Multiple input validation vulnerabilities allow a DoS and XSS.
Replaces
Affected ISA server
KB KB961759
Known Exploits No
Microsoft Rating Important
ISC Client Rating N/A
ISC Server Rating N/A
CVE Exploitability
2009-0077 3
2009-0237 3
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.