CVE-2014-0253: microsoft .net_framework Improper Input Validation

Vulnerability summary

CVE-2014-0253 is a medium (CVSS 5.0) Improper Input Validation vulnerability in microsoft .net_framework. EPSS estimates a 38.70% chance of exploitation in the next 30 days, higher than 98.5% of scored vulnerabilities.

Timeline

1. 12-02-2014
   PublishedVulnerability first disclosed.
2. 06-08-2024
   Last modifiedVulnerability information updated.

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."

• CWE-20Improper Input ValidationThe product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.