HTTP: Microsoft Dot Net Technology Server Side Denial of Service
This signature detects attempts to exploit a known vulnerability against Microsoft Dot Net Techonolgy. A successful attack can result in a denial-of-service condition.
Extended Description
Microsoft .NET Framework 1.1 SP1, 2.0 SP2, 3.5, 3.5.1, 4, 4.5, and 4.5.1 does not properly determine TCP connection states, which allows remote attackers to cause a denial of service (ASP.NET daemon hang) via crafted HTTP requests that trigger persistent resource consumption for a (1) stale or (2) closed connection, as exploited in the wild in February 2014, aka "POST Request DoS Vulnerability."
Affected Products
Microsoft .net_framework
References
CVE: CVE-2014-0253
Short Name
HTTP:IIS:DOT-NET-SERVER-DOS
Severity
Major
Recommended
False
Recommended Action
Drop
Category
HTTP
Keywords
CVE-2014-0253 Denial Dot Microsoft Net Server Service Side Technology of
Release Date
02/10/2014
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
3761
False Positive
Unknown
Vendors
Microsoft
CVSS Score
5.0