Out-of-bounds Read in Microsoft Windows 2000
CVE-2009-2523
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."
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v2 metric
CVSS v2 base score 10.0 (High). Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.265 (97.9th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 97.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.265 · newest: 0.265 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.us-cert.gov/cas/techalerts/TA09-314A.html (US Government Resource, Third Party Advisory, third-party-advisory)
- oval.cisecurity.org/repository/search/definition/oval:org.mitre.oval:def:6300 (Broken Link, signature, vdb-entry)
- docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-064 (vendor-advisory, Patch, Mitigation, Vendor Advisory)
Frequently asked questions
- What is CVE-2009-2523?
- CVE-2009-2523 is a vulnerability in Microsoft Windows 2000, classified under Out-of-bounds Read. Published 2009-11-11.
- Is CVE-2009-2523 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.