Ubuntu 3877-1: LibVNCServer vulnerabilities

    Date 31 Jan 2019
    Posted By Anthony Pell
    Several security issues were fixed in LibVNCServer.
    Ubuntu Security Notice USN-3877-1
    January 31, 2019
    libvncserver vulnerabilities
    A security issue affects these releases of Ubuntu and its derivatives:
    - Ubuntu 18.10
    - Ubuntu 18.04 LTS
    - Ubuntu 16.04 LTS
    - Ubuntu 14.04 LTS
    Several security issues were fixed in LibVNCServer.
    Software Description:
    - libvncserver: vnc server library
    It was discovered that LibVNCServer incorrectly handled certain operations.
    A remote attacker able to connect to applications using LibVNCServer could
    possibly use this issue to obtain sensitive information, cause a denial of
    service, or execute arbitrary code.
    Update instructions:
    The problem can be corrected by updating your system to the following
    package versions:
    Ubuntu 18.10:
      libvncclient1                   0.9.11+dfsg-1.1ubuntu0.1
      libvncserver1                   0.9.11+dfsg-1.1ubuntu0.1
    Ubuntu 18.04 LTS:
      libvncclient1                   0.9.11+dfsg-1ubuntu1.1
      libvncserver1                   0.9.11+dfsg-1ubuntu1.1
    Ubuntu 16.04 LTS:
      libvncclient1                   0.9.10+dfsg-3ubuntu0.16.04.3
      libvncserver1                   0.9.10+dfsg-3ubuntu0.16.04.3
    Ubuntu 14.04 LTS:
      libvncserver0                   0.9.9+dfsg-1ubuntu1.4
    After a standard system update you need to restart LibVNCServer
    applications to make all the necessary changes.
      CVE-2018-15126, CVE-2018-15127, CVE-2018-20019, CVE-2018-20020,
      CVE-2018-20021, CVE-2018-20022, CVE-2018-20023, CVE-2018-20024,
      CVE-2018-20748, CVE-2018-20749, CVE-2018-20750, CVE-2018-6307
    Package Information:

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    [{"id":"106","title":"Yes - I am a privacy advocate and I am strongly opposed to this bill.","votes":"19","type":"x","order":"1","pct":95,"resources":[]},{"id":"107","title":"I'm undecided - it has its pros and cons.","votes":"1","type":"x","order":"2","pct":5,"resources":[]},{"id":"108","title":"No - I support this bill and feel that it will help protect against crime and threats to our national security. ","votes":"0","type":"x","order":"3","pct":0,"resources":[]}] ["#ff5b00","#4ac0f2","#b80028","#eef66c","#60bb22","#b96a9a","#62c2cc"] ["rgba(255,91,0,0.7)","rgba(74,192,242,0.7)","rgba(184,0,40,0.7)","rgba(238,246,108,0.7)","rgba(96,187,34,0.7)","rgba(185,106,154,0.7)","rgba(98,194,204,0.7)"] 350
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