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Vulnerability: MS09-064 - Critical Vulnerability in License Logging Server Could Allow Remote Code Execution

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 Details
Vulnerability name/brief description

MS09-064 - Critical Vulnerability in License Logging Server Could Allow Remote Code Execution

CVE/CAN name

CVE-2009-2523

Vendor threat levelCritical
SophosLabs threat levelMedium
Solution

MS09-064

Vendor descriptionThis security update resolves a privately reported vulnerability in Microsoft Windows 2000. The vulnerability could allow remote code execution if an attacker sent a specially crafted network message to a computer running the License Logging Server. An attacker who successfully exploited this vulnerability could take complete control of the system.
SophosLabs comments

This update resolves a remote code execution vulnerability in License Logging Service for Microsoft Windows 2000 Server ( service pack 4 ). Attackers exploiting this vulnerability via RPC could potentially take complete control of a vulnerable system.

Microsoft have stated that CVE-2009-2523 has not been publicly disclosed, and this has been a contributing factor in assigning the SophosLabs threat level of medium.

We advise users to apply this patch at their earliest convenience.

SophosLabs testing resultN/A
Currently known exploitsAt the time of writing SophosLabs have not observed any malware attempting to exploit this vulnerability. Should this situation change samples will be analyzed and we will take action as necessary.
First sample seenN/A
Discovery dateNovember 10 2009
Affected softwareMicrosoft Windows 2000 Server Service Pack 4
Referenceshttp://www.microsoft.com/technet/security/Bulletin/MS09-064.mspx
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-2523
Credits

Microsoft MAPP

Cody Pierce of TippingPoint DVLabs

RevisionsNovember 10 2009 - Initial Analysis Written

Explanation of terms

Vulnerability Name/Brief Description:
Vendor identifier plus a brief description of the type of attack.

CVE/CAN Name:
Currently assigned CVE name. If a CVE name doesn't exist the CAN name will be used until a CVE has been assigned.

Vendor Threat Level:

Threat level assigned by the vendor

SophosLabs Threat Level:
Threat level assigned by SophosLabs

  • LOW RISK - There is little chance of this vulnerability being actively exploited by malware.
  • MEDIUM RISK - There is a possibility of this vulnerability being actively exploited by malware.
  • HIGH RISK - There is a strong possibility of this vulnerability being actively exploited by malware.
  • CRITICAL RISK - This vulnerability will almost certainly be actively exploited by malware.

Solution:
Vendor-supplied Patch identifier and recommended solution, or workaround if applicable.

Vendor Description:
Summary of the cause and potential effect of the vulnerability provided by the vendor.

SophosLabs Comments:
SophosLabs' opinions and observations of the vulnerability in question.

SophosLabs Testing Result:
Details of completed lab testing, if applicable. Please note that the lab test environment may differ significantly from user environments.

Currently Known Exploits:
List of identities for known exploits, if applicable.

First Sample Seen:
Date of the first sample seen by SophosLabs.

Discovery Date:
Date of the earliest known publically disclosed advisory.

Affected Software:
Vulnerable platforms and software versions.

 

 

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