CVE-2009-2523
What it is
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."
At a glance
- Exploitability
- Can be exploited over the network without logging in. High risk of data exposure, data tampering, service disruption.
- Exploit odds
- 26.5% chance of exploitation in the next 30 days (EPSS). Higher than most.
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- ReservedThe CVE id was reserved by its CNA
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 26.5% in the next 30 days (EPSS).
- Severity: 10.0 HIGH (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Exploit probability
- 26.5% · EPSS, next 30 days
- Weakness
- CWE-125 · Out-of-bounds read
- Record status
- Modified
Affected
- Microsoft Windows 2000
Attack profile CVSS 2.0 · 10.0
- Attack vector
- Network
- Complexity
- Low
- Authentication
- None
- Confidentiality
- Complete
- Integrity
- Complete
- Availability
- Complete
Raw vector
AV:N/AC:L/Au:N/C:C/I:C/A:C
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2009-2523.md and follow it. Check whether this project is affected by CVE-2009-2523. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-064
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-064
References
- http://www.us-cert.gov/cas/techalerts/TA09-314A.html
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-064
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6300
- http://www.us-cert.gov/cas/techalerts/TA09-314A.html
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-064
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6300