Check Point Advisories

Microsoft ASP.NET POST Request Denial of Service (MS14-009; CVE-2014-0253)

Check Point Reference: CPAI-2014-0878
Date Published: 11 Mar 2014
Severity: High
Last Updated: Monday 10 March, 2014
Source: CVE-2014-0253
Protection Provided by:

Security Gateway
R70

  • R71
  • R75 and above

  • Who is Vulnerable? Microsoft .NET Framework 1.0 Service Pack 3
    Microsoft .NET Framework 1.1 Service Pack 1
    Microsoft .NET Framework 2.0 Service Pack 2
    Microsoft .NET Framework 3.5
    Microsoft .NET Framework 3.5.1
    Microsoft .NET Framework 4
    Microsoft .NET Framework 4.5
    Microsoft .NET Framework 4.5.1

    Vulnerability Description A denial of service vulnerability exists in Microsoft ASP.NET. The vulnerability is caused when the .NET Framework improperly identifies stale or closed HTTP client connections. A remote attacker can trigger this flaw by sending a small number of specially crafted requests to an affected server
    Update/Patch AvaliableApply patches from: MS14-009

    Protection Overview

    This protection will detect and block attempts to exploit this vulnerability.

    In order for the protection to be activated, update your Security Gateway product to the latest IPS update. For information on how to update IPS, go to SBP-2006-05, Protection tab and select the version of your choice.

    Security Gateway R70 / R71 / R75 and above

    1. In the IPS tab, click Protections and find the Microsoft ASP.NET POST Request Denial of Service (MS14-009) protection using the Search tool and Edit the protection's settings.
    2. Install policy on all modules.

    SmartView Tracker will log the following entries:

    Attack Name:  Web Server Enforcement Violation.
    Attack Information:  Microsoft ASP.NET POST Request Denial of Service (MS14-009)

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