Vulnerability Description
Stack consumption vulnerability in the FTP Service in Microsoft Internet Information Services (IIS) 5.0 through 7.0 allows remote authenticated users to cause a denial of service (daemon crash) via a list (ls) -R command containing a wildcard that references a subdirectory, followed by a .. (dot dot), aka "IIS FTP Service DoS Vulnerability."
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Internet Information Services | >= 5.0, <= 7.0 |
Related Weaknesses (CWE)
References
- http://archives.neohapsis.com/archives/fulldisclosure/2009-09/0040.htmlBroken Link
- http://support.microsoft.com/default.aspx?scid=kb%3B%5BLN%5D%3BQ975191
- http://www.us-cert.gov/cas/techalerts/TA09-286A.htmlThird Party AdvisoryUS Government Resource
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-05PatchVendor Advisory
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Third Party Advisory
- http://archives.neohapsis.com/archives/fulldisclosure/2009-09/0040.htmlBroken Link
- http://support.microsoft.com/default.aspx?scid=kb%3B%5BLN%5D%3BQ975191
- http://www.us-cert.gov/cas/techalerts/TA09-286A.htmlThird Party AdvisoryUS Government Resource
- https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-05PatchVendor Advisory
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Third Party Advisory
FAQ
What is CVE-2009-2521?
CVE-2009-2521 is a vulnerability with a CVSS score of 5.0 (MEDIUM). Stack consumption vulnerability in the FTP Service in Microsoft Internet Information Services (IIS) 5.0 through 7.0 allows remote authenticated users to cause a denial of service (daemon crash) via a ...
How severe is CVE-2009-2521?
CVE-2009-2521 has been rated MEDIUM with a CVSS base score of 5.0/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2009-2521?
Check the references section above for vendor advisories and patch information. Affected products include: Microsoft Internet Information Services.