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Vulnerability: MS09-018 - Vulnerabilities in Active Directory Could Allow Remote Code Execution
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| Details | |
|---|---|
| Vulnerability name/brief description | Vulnerabilities in Active Directory Could Allow Remote Code Execution - MS09-018 |
| CVE/CAN name | CVE-2009-1138, CVE-2009-1139 |
| Vendor threat level | Critical |
| SophosLabs threat level | Medium |
| Solution | Users are advised to apply the vendor patch for MS09-018 . |
| Vendor description | This security update resolves two privately reported vulnerabilities in implementations of Active Directory on Microsoft Windows 2000 Server and Windows Server 2003, and Active Directory Application Mode (ADAM) when installed on Windows XP Professional and Windows Server 2003. The more severe vulnerability could allow remote code execution. An attacker who successfully exploited this vulnerability could take complete control of an affected system remotely. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights. Firewall best practices and standard default firewall configurations can help protect networks from attacks that originate outside the enterprise perimeter. Best practices recommend that systems that are connected to the Internet have a minimal number of ports exposed. |
| SophosLabs comments | This vulnerability may allow malicious attacker to take control over a Windows based server remotely by sending a malformed LDAP request. All users are advised to apply the security patch immediately for all servers exposed to external netorks. Since potential attacks are likely to come from external network system administrators are advised to configure firewalls to block inbound traffic on TCP ports 389, 636, 3268 and 3269. |
| SophosLabs testing result | N/A |
| Currently known exploits | At the time of writing SophosLabs has seen no samples of malware attempting to exploit this vulnerability. Should this situation change samples will be analysed and we will take action as necessary. |
| First sample seen | N/A |
| Discovery date | 9 June 2009 |
| Affected software | Windows Server 2000
|
| References | http://www.microsoft.com/technet/security/Bulletin/ms09-018.mspx |
| Credits | |
| Revisions | 9 June 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: 59744
- Created: 9 Jun 2009
- Last updated: 9 Jun 2009
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