CVEvulnerability

CVE-2009-2523

10.0 HIGH Published 2009-11-11 Modified 2026-06-16 Official page ↗

Status: Modified
Published: 2009-11-11
Last modified: 2026-06-16
Assigner: [email protected]
CVSS 2.0 ([email protected]): 10.0 HIGH — AV:N/AC:L/Au:N/C:C/I:C/A:C
Weaknesses: CWE-125, CWE-787

Description

The License Logging Server (llssrv.exe) in Microsoft Windows 2000 SP4 allows remote attackers to execute arbitrary code via an RPC message containing a string without a null terminator, which triggers a heap-based buffer overflow in the LlsrLicenseRequestW method, aka "License Logging Server Heap Overflow Vulnerability."

Affected configurations

• microsoft windows 2000

Weakness · CWE (2)

CWE-125 Out-of-bounds Read weakness
CWE-787 Out-of-bounds Write weakness

Referenced by CWE · observed example (4)

CWE-122 Heap-based Buffer Overflow weakness
CWE-125 Out-of-bounds Read weakness
CWE-126 Buffer Over-read weakness
CWE-170 Improper Null Termination weakness

References

http://www.us-cert.gov/cas/techalerts/TA09-314A.html Third Party Advisory, US Government Resource
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-064 Mitigation, Patch, Vendor Advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6300 Broken Link
http://www.us-cert.gov/cas/techalerts/TA09-314A.html Third Party Advisory, US Government Resource
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-064 Mitigation, Patch, Vendor Advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6300 Broken Link