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CVE-2009-2521

CVE-2009-2521

EPSS 82.3%
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."
Affected products
n/a · n/a
public PoCs found — 2
exploitdbwww.exploit-db.com/exploits/9587unverifiedexploitdbwww.exploit-db.com/exploits/17476unverified
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.

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References
http://archives.neohapsis.com/archives/fulldisclosure/2009-09/0040.htmlhttps://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-053https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A6508http://support.microsoft.com/default.aspx?scid=kb%3B%5BLN%5D%3BQ975191http://www.us-cert.gov/cas/techalerts/TA09-286A.html