Check Point Advisories

MIT Kerberos Invalid RFC 1964 Token Denial of Service (CVE-2014-4342)

Check Point Reference: CPAI-2014-1845
Date Published: 14 Oct 2014
Severity: High
Last Updated: Tuesday 14 October, 2014
Source: MIT
Industry Reference:CVE-2014-4342
Protection Provided by:

Security Gateway
R77

  • R76
  • R75

    		•
    Who is Vulnerable? MIT Kerberos git prior to fb99962cbd063ac04c9a9
    Vulnerability Description A denial-of-service vulnerability exists in the MIT Kerberos 5. A remote, unauthenticated attacker can exploit this vulnerability by injecting packets into a legitimate GSSAPI session and cause the GSSAPI application to crash resulting in a denial-of-service condition.

    Protection Overview

    Security Gateway R77 / R76 / R75 / R71 / R70

    1. In the IPS tab, click Protections and find the MIT Kerberos Invalid RFC 1964 Token Denial of Service 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: Application Servers Protection Violation.
    Attack Information: MIT Kerberos Invalid RFC 1964 Token Denial of Service

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