FTP: Microsoft IIS FTP Server Denial of Service1
This signature detects attempts to exploit a known vulnerability against the Microsoft IIS FTP server. A successful attack can result in a denial-of-service condition.
Extended 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."
Affected Products
Microsoft internet_information_services
References
CVE: CVE-2009-2521
Short Name
FTP:MS-FTP:MSFTPSVC-DOS-1
Severity
Minor
Recommended
False
Recommended Action
Drop
Category
FTP
Keywords
CVE-2009-2521 Denial FTP IIS Microsoft Server Service1 of
Release Date
02/11/2016
Supported Platforms
srx-branch-12.3
srx-19.3
srx-branch-19.3
vsrx3bsd-19.2
srx-branch-19.4
vsrx-19.4
mx-12.3
mx-19.4
vmx-19.4
mx-19.3
vsrx3bsd-19.4
srx-19.4
vsrx-12.3
vmx-19.3
vsrx-19.2
srx-12.3
Sigpack Version
3650
False Positive
Unknown
Vendors
Microsoft
CVSS Score
2.6