Threat Level: green Handler on Duty: Basil Alawi S.Taher

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


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Microsoft Patch Tuesday 2011-11-08

MS11-083
Title An integer overflow in the TCP/IP stack allows random code execution from a stream of UDP packets sent to a closed port. Permission for the attacker are at kernel level.
Replaces MS11-064
Affected Windows TCP/IP
KB KB2588516
Known Exploits No
Microsoft Rating Critical
ISC Client Rating Critical
ISC Server Rating Critical
CVE Exploitability
2011-2013 2
MS11-084
Title An input validation vulnerability in the parsing of true type fonts allows a denial of service from users with valid credentials.
Replaces MS11-077
Affected Kernel mode drivers
KB KB2617657
Known Exploits No
Microsoft Rating Moderate
ISC Client Rating Important
ISC Server Rating Important
CVE Exploitability
2011-2004 0
MS11-085
Title Inappropriate path restriction allows Windows Mail and Windows Meeting Space to be exploited into executing random code with the rights of the logged on user. Yet another vulnerability related to SA 2269637.
Replaces
Affected Windows Mail & Windows Meeting Space
KB KB2620704
Known Exploits No
Microsoft Rating Important
ISC Client Rating Critical
ISC Server Rating Critical
CVE Exploitability
2011-2016 1
MS11-086
Title If Active Directory is configured to use LDAP over SSL, an attacker having a revoked certificate that is associated with a valid domain account, could get authenticated.
Replaces MS10-068
Affected Active Directory
KB KB2630837
Known Exploits No
Microsoft Rating Critical
ISC Client Rating Critical
ISC Server Rating Critical
CVE Exploitability
2011-2014 1
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.