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Vulnerability: MS09-039. Vulnerabilities in WINS Could Allow Remote Code Execution (969883)
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| Details | |
|---|---|
| Vulnerability name/brief description | Vulnerabilities in WINS Could Allow Remote Code Execution (969883) |
| CVE/CAN name | CVE-2009-1923, CVE-2009-1924 |
| Vendor threat level | Critical |
| SophosLabs threat level | Critical |
| Solution | |
| Vendor description | This security update resolves two privately reported vulnerabilities in the Windows Internet Name Service (WINS). Either vulnerability could allow remote code execution if a user received a specially crafted WINS replication packet on an affected system running the WINS service. By default, WINS is not installed on any affected operating system version. Only customers who manually install this component are affected by this issue. |
| SophosLabs comments | Although this vulnerability does not affect the majority of Windows Systems (no Windows Desktop systems are affected, and only a limited number of Windows Server systems are potentially vulnerable), because vulnerable systems can be compromised remotely and without user activity, SophosLabs considers this to be a Critical bulletin. |
| SophosLabs testing result | N/A |
| Currently known exploits | N/A |
| First sample seen | N/A |
| Discovery date | 11th August 2009 |
| Affected software | Microsoft Windows 2000 Server Service Pack 4 Windows Server 2003 Service Pack 2 Windows Server 2003 x64 Edition Service Pack 2 Windows Server 2003 with SP2 for Itanium-based Systems |
| References | http://www.microsoft.com/technet/security/bulletin/ms09-039.mspx |
| Credits | Microsoft MAPP TippingPoint and the Zero Day Initiative for reporting the WINS Heap Overflow Vulnerability LiGen of National University of Defense Technology for reporting the WINS Integer Overflow Vulnerability |
| Revisions | 12th August 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.
If you need more information or guidance, then please contact technical support.
- Article ID: 61993
- Created: 12 Aug 2009
- Last updated: 12 Aug 2009
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