Linux Security
    Linux Security
    Linux Security

    Ubuntu 3771-1: strongSwan vulnerabilities

    Date 25 Sep 2018
    1931
    Posted By Anthony Pell
    Several security issues were fixed in strongSwan.
    ==========================================================================
    Ubuntu Security Notice USN-3771-1
    September 25, 2018
    
    strongswan vulnerabilities
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 18.04 LTS
    - Ubuntu 16.04 LTS
    - Ubuntu 14.04 LTS
    
    Summary:
    
    Several security issues were fixed in strongSwan.
    
    Software Description:
    - strongswan: IPsec VPN solution
    
    Details:
    
    It was discovered that strongSwan incorrectly handled IKEv2 key derivation.
    A remote attacker could possibly use this issue to cause strongSwan to
    crash, resulting in a denial of service. (CVE-2018-10811)
    
    Sze Yiu Chau discovered that strongSwan incorrectly handled parsing OIDs in
    the gmp plugin. A remote attacker could possibly use this issue to bypass
    authorization. (CVE-2018-16151)
    
    Sze Yiu Chau discovered that strongSwan incorrectly handled certain
    parameters fields in the gmp plugin. A remote attacker could possibly use
    this issue to bypass authorization. (CVE-2018-16152)
    
    It was discovered that strongSwan incorrectly handled the stroke plugin. A
    local administrator could use this issue to cause a denial of service, or
    possibly execute arbitrary code. (CVE-2018-5388)
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 18.04 LTS:
      libstrongswan                   5.6.2-1ubuntu2.2
      strongswan                      5.6.2-1ubuntu2.2
    
    Ubuntu 16.04 LTS:
      libstrongswan                   5.3.5-1ubuntu3.7
      strongswan                      5.3.5-1ubuntu3.7
    
    Ubuntu 14.04 LTS:
      libstrongswan                   5.1.2-0ubuntu2.10
      strongswan                      5.1.2-0ubuntu2.10
    
    In general, a standard system update will make all the necessary changes.
    
    References:
      https://usn.ubuntu.com/usn/usn-3771-1
      CVE-2018-10811, CVE-2018-16151, CVE-2018-16152, CVE-2018-5388
    
    Package Information:
      https://launchpad.net/ubuntu/+source/strongswan/5.6.2-1ubuntu2.2
      https://launchpad.net/ubuntu/+source/strongswan/5.3.5-1ubuntu3.7
      https://launchpad.net/ubuntu/+source/strongswan/5.1.2-0ubuntu2.10
    
    

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