CVE-2014-0253

Medium

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."

SeverityMedium

CVSS5.0

Exploit probability—

Product

Microsoft .net Framework

PublishedFeb 12, 2014

First seenFeb 12, 2014

How to fix

Vendor advisories

docs.microsoft.com/en-us/security-updates/securitybulletins/2014/ms14-009

Affected products

Product	Affected versions	Fixed in
microsoft .net_framework	1.1, 2.0, 3.5, 3.5.1, 4.0, 4.5, 4.5.1	—

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