Content

(MS09-018) Microsoft Windows Active Directory Memory Leak Vulnerability (971055)

Type
Logic error
Impact of exploitation
Denial of Service
User Interaction
no user interaction is needed
Attack Vector
Malicious remote network traffic
Rating
Low
CVE reference
CVE-2009-1139,
Vendor Status
Responded and patched
Vulnerable systems
Windows  2000 SP4,
Windows  2003 SP2,
Windows 2003 x64  SP2,
Windows  2003 Itanium SP2,
Windows  XP SP3,
Windows  XP X64 SP2,
Summary
A vulnerability in Microsoft Active Directory may allow for denial-of-service attacks.

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Description

A vulnerability in Microsoft Active Directory may allow for denial-of-service attacks. The flaw is specific to implementation of Active Directory on Microsoft servers. Improper memory management, during the processing of LDAP and LDAPS requests, can cause the server to stop responding, resulting in a denial-of-service condition. Exploitation can be achieved via specially-crafted LDAP or LDAPS requests.

McAfee Product Mitigation & Recommendations

Recommendations

The vendor has released a patch to address this issue: http://www.microsoft.com/technet/security/bulletin/ms09-018.mspx

McAfee Product Mitigation

McAfee Foundstone
Signature:
(MS09-018) Microsoft Windows Active Directory Memory Leak Vulnerability (971055)
Signature identifier:
6743
Release date:
6/9/2009
McAfee Intrushield
Signature:
LDAP: Microsoft Windows Active Directory Memory Leak Vulnerability
Signature identifier:
0x41702400
Release date:
6/9/2009
First released in:
4.1.51, 5.1.21

The Remedy V-Flash of June 10 contains remedies.

Release date:
6/10/2009

Additional Resources

Vulnerabilities in Active Directory Could Allow Remote Code Execution (971055)

http://www.microsoft.com/technet/security/bulletin/ms09-018.mspx

All Information

Timeline -

6/9/2009

Vendor has provided a patch.

Description -

A vulnerability in Microsoft Active Directory may allow for denial-of-service attacks. The flaw is specific to implementation of Active Directory on Microsoft servers. Improper memory management, during the processing of LDAP and LDAPS requests, can cause the server to stop responding, resulting in a denial-of-service condition. Exploitation can be achieved via specially-crafted LDAP or LDAPS requests.

McAfee Product Mitigation & Recommendations

Recommendations -

The vendor has released a patch to address this issue: http://www.microsoft.com/technet/security/bulletin/ms09-018.mspx

McAfee Product Mitigation

McAfee Foundstone
Signature:
(MS09-018) Microsoft Windows Active Directory Memory Leak Vulnerability (971055)
Signature identifier:
6743
Release date:
6/9/2009
McAfee Intrushield
Signature:
LDAP: Microsoft Windows Active Directory Memory Leak Vulnerability
Signature identifier:
0x41702400
Release date:
6/9/2009
First released in:
4.1.51, 5.1.21

The Remedy V-Flash of June 10 contains remedies.

Release date:
6/10/2009

Additional Resources

Additional Resources -

Vulnerabilities in Active Directory Could Allow Remote Code Execution (971055)

http://www.microsoft.com/technet/security/bulletin/ms09-018.mspx