Ubuntu 2450-1: strongSwan vulnerability

    Date05 Jan 2015
    CategoryUbuntu
    49
    Posted ByLinuxSecurity Advisories
    strongSwan could be made to crash or run programs if it received specially crafted network traffic.
    ==========================================================================
    Ubuntu Security Notice USN-2450-1
    January 05, 2015
    
    strongswan vulnerability
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 14.10
    - Ubuntu 14.04 LTS
    
    Summary:
    
    strongSwan could be made to crash or run programs if it received specially
    crafted network traffic.
    
    Software Description:
    - strongswan: IPsec VPN solution
    
    Details:
    
    Mike Daskalakis discovered that strongSwan incorrectly handled IKEv2
    payloads that contained the Diffie-Hellman group 1025. A remote attacker
    could use this issue to cause the IKE daemon to crash, resulting in a
    denial of service.
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 14.10:
      strongswan-ike                  5.1.2-0ubuntu3.2
    
    Ubuntu 14.04 LTS:
      strongswan-ike                  5.1.2-0ubuntu2.2
    
    In general, a standard system update will make all the necessary changes.
    
    References:
      http://www.ubuntu.com/usn/usn-2450-1
      CVE-2014-9221
    
    Package Information:
      https://launchpad.net/ubuntu/+source/strongswan/5.1.2-0ubuntu3.2
      https://launchpad.net/ubuntu/+source/strongswan/5.1.2-0ubuntu2.2
    
    
    
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