CVE-2009-1138

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Summary

CVECVE-2009-1138
StatePUBLISHED
Assignermicrosoft
Source PriorityCVE Program / NVD first with legacy fallback
Published2009-06-10 18:00:00 UTC
Updated2026-04-23 00:35:47 UTC
DescriptionThe 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.

Risk And Classification

Primary CVSS: v2.0 10 from [email protected]

AV:N/AC:L/Au:N/C:C/I:C/A:C

Problem Types: CWE-399 | n/a

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Low
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete

AV:N/AC:L/Au:N/C:C/I:C/A:C

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Microsoft Windows 2000 All sp4 All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
Webmail - OVH af854a3a-2127-422b-91ae-364da2661108 www.vupen.com Patch, Vendor Advisory
Microsoft Active Directory Encoded LDAP String Memory Corruption Remote Code Execution Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com Patch
US-CERT Technical Cyber Security Alert TA09-160A -- Microsoft Updates for Multiple Vulnerabilities af854a3a-2127-422b-91ae-364da2661108 www.us-cert.gov US Government Resource
Public Advisory: 06.11.09 // iDefense Labs af854a3a-2127-422b-91ae-364da2661108 labs.idefense.com
ASA-2009-214 (971055) af854a3a-2127-422b-91ae-364da2661108 support.avaya.com
osvdb.org/54937 af854a3a-2127-422b-91ae-364da2661108 osvdb.org
Microsoft Security Bulletin MS09-018 - Critical | Microsoft Docs af854a3a-2127-422b-91ae-364da2661108 docs.microsoft.com
Microsoft Windows Active Directory Two Vulnerabilities - Secunia Advisories - Vulnerability Information - Secunia.com af854a3a-2127-422b-91ae-364da2661108 secunia.com Vendor Advisory
SecurityTracker.com Archives - Microsoft Active Directory Bugs Let Remote Users Execute Arbitrary Code or Deny Service af854a3a-2127-422b-91ae-364da2661108 www.securitytracker.com
Repository / Oval Repository af854a3a-2127-422b-91ae-364da2661108 oval.cisecurity.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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