Ubuntu 3759-2: libtirpc vulnerabilities

    Date05 Sep 2018
    CategoryUbuntu
    2465
    Posted ByAnthony Pell
    Several security issues were fixed in libtirpc.
    ==========================================================================
    Ubuntu Security Notice USN-3759-2
    September 05, 2018
    
    libtirpc vulnerabilities
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 12.04 ESM
    
    Summary:
    
    Several security issues were fixed in libtirpc.
    
    Software Description:
    - libtirpc: transport-independent RPC library - development files
    
    Details:
    
    USN-3759-1 fixed a vulnerability in libtirpc. This update provides
    the corresponding update for Ubuntu 12.04 ESM.
    
    Original advisory details:
    
     Aldy Hernandez discovered that libtirpc incorrectly handled certain
     inputs. An attacker could possibly use this issue to cause a denial of
     service. (CVE-2016-4429)
    
     It was discovered that libtirpc incorrectly handled certain inputs.
     An attacker could possibly use this issue to cause a denial of
     service. (CVE-2018-14622)
    
     It was discovered that libtirpc incorrectly handled certain strings.
     An attacker could possibly use this issue to cause a denial of
     service. (CVE-2017-8779)
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 12.04 ESM:
      libtirpc-dev                    0.2.2-5ubuntu0.1
      libtirpc1                       0.2.2-5ubuntu0.1
    
    After a standard system update you need to reboot your computer to make
    all the necessary changes.
    
    References:
      https://usn.ubuntu.com/usn/usn-3759-2
      https://usn.ubuntu.com/usn/usn-3759-1
      CVE-2016-4429, CVE-2017-8779, CVE-2018-14622
    
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