National Cyber Awareness System

Vulnerability Summary for CVE-2009-1138

Overview

The LDAP service in Active Directory on Microsoft Windows 2000 SP4 does not properly free memory for LDAP and LDAPS requests, which allows remote attackers to execute arbitrary code via a request that uses hexadecimal encoding, whose associated memory is not released, related to a "DN AttributeValue," aka "Active Directory Invalid Free Vulnerability." NOTE: this issue is probably a memory leak.

Impact

CVSS Severity (version 2.0):

CVSS Version 2 Metrics:

References to Advisories, Solutions, and Tools

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US-CERT Technical Alert: TA09-160A

Name: TA09-160A

Hyperlink:http://www.us-cert.gov/cas/techalerts/TA09-160A.html

External Source: VUPEN

Name: ADV-2009-1537

Type: Advisory; Patch Information

Hyperlink:http://www.vupen.com/english/advisories/2009/1537

External Source: BID

Name: 35226

Type: Patch Information

Hyperlink:http://www.securityfocus.com/bid/35226

External Source: MS

Name: MS09-018

Type: Advisory; Patch Information

Hyperlink:http://www.microsoft.com/technet/security/Bulletin/MS09-018.mspx

External Source: SECTRACK

Name: 1022349

Hyperlink:http://www.securitytracker.com/id?1022349

External Source: CONFIRM

Name: http://support.avaya.com/elmodocs2/security/ASA-2009-214.htm

Hyperlink:http://support.avaya.com/elmodocs2/security/ASA-2009-214.htm

External Source: SECUNIA

Name: 35355

Type: Advisory

Hyperlink:http://secunia.com/advisories/35355

External Source: OVAL

Name: oval:org.mitre.oval:def:6180

Hyperlink:http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:6180

External Source: OSVDB

Name: 54937

Hyperlink:http://osvdb.org/54937

External Source: IDEFENSE

Name: 20090611 Microsoft Active Directory Hexdecimal DN AttributeValue Invalid Free Vulnerability

Hyperlink:http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=804

References to Check Content

Identifier:oval:org.mitre.oval:def:6180

Check System:http://oval.mitre.org/XMLSchema/oval-definitions-5

Hyperlink:http://oval.mitre.org/repository/data/DownloadDefinition?id=oval:org.mitre.oval:def:6180