Check Point Advisories

Linux Kernel IPv6 Router Advertisement Packets Processing Denial of Service (CVE-2014-2309)

Check Point Reference: CPAI-2014-1536
Date Published: 14 May 2014
Severity: High
Last Updated: Wednesday 14 May, 2014
Source: CVE-2014-2309
Protection Provided by:

Security Gateway
R77

  • R76
  • R75

    		•
    Who is Vulnerable? Linux Kernel Project Kernel 3.10.33 and prior
    Linux Kernel Project Kernel 3.12.13 and prior
    Linux Kernel Project Kernel 3.13.6 and prior
    Vulnerability Description A denial of service vulnerability exists in the Linux kernel. The vulnerability is due to the way it handles IPv6 router advertisement packets. A remote attacker can exploit this vulnerability by sending maliciously crafted packets to a vulnerable system.

    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 R77 / R76 / R75 / R71 / R70

    1. In the IPS tab, click Protections and find the Linux Kernel IPv6 Router Advertisement Packets Processing 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:  DHCP Protocol Enforcement Violation.
    Attack Information:  Linux Kernel IPv6 Router Advertisement Packets Processing Denial of Service

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