Ubuntu 4080-1: OpenJDK 8 vulnerabilities

    Date30 Jul 2019
    CategoryUbuntu
    2229
    Posted ByLinuxSecurity Advisories
    Ubuntu Large
    Several security issues were fixed in OpenJDK.
    ==========================================================================
    Ubuntu Security Notice USN-4080-1
    July 31, 2019
    
    openjdk-8 vulnerabilities
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 16.04 LTS
    
    Summary:
    
    Several security issues were fixed in OpenJDK.
    
    Software Description:
    - openjdk-8: Open Source Java implementation
    
    Details:
    
    Keegan Ryan discovered that the ECC implementation in OpenJDK was not
    sufficiently resilient to side-channel attacks. An attacker could possibly
    use this to expose sensitive information. (CVE-2019-2745)
    
    It was discovered that OpenJDK did not sufficiently validate serial streams
    before deserializing suppressed exceptions in some situations. An attacker
    could use this to specially craft an object that, when deserialized, would
    cause a denial of service. (CVE-2019-2762)
    
    It was discovered that in some situations OpenJDK did not properly bound
    the amount of memory allocated during object deserialization. An attacker
    could use this to specially craft an object that, when deserialized, would
    cause a denial of service (excessive memory consumption). (CVE-2019-2769)
    
    It was discovered that OpenJDK did not properly restrict privileges in
    certain situations. An attacker could use this to specially construct an
    untrusted Java application or applet that could escape sandbox
    restrictions. (CVE-2019-2786)
    
    Jonathan Birch discovered that the Networking component of OpenJDK did not
    properly validate URLs in some situations. An attacker could use this to
    bypass restrictions on characters in URLs. (CVE-2019-2816)
    
    Nati Nimni discovered that the Java Cryptography Extension component in
    OpenJDK did not properly perform array bounds checking in some situations.
    An attacker could use this to cause a denial of service. (CVE-2019-2842)
    
    It was discovered that OpenJDK incorrectly handled certain memory
    operations. If a user or automated system were tricked into opening a
    specially crafted PNG file, a remote attacker could use this issue to
    cause OpenJDK to crash, resulting in a denial of service, or possibly
    execute arbitrary code. (CVE-2019-7317)
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 16.04 LTS:
      openjdk-8-jdk                   8u222-b10-1ubuntu1~16.04.1
      openjdk-8-jdk-headless          8u222-b10-1ubuntu1~16.04.1
      openjdk-8-jre                   8u222-b10-1ubuntu1~16.04.1
      openjdk-8-jre-headless          8u222-b10-1ubuntu1~16.04.1
      openjdk-8-jre-jamvm             8u222-b10-1ubuntu1~16.04.1
      openjdk-8-jre-zero              8u222-b10-1ubuntu1~16.04.1
    
    This update uses a new upstream release, which includes additional bug
    fixes. After a standard system update you need to restart any Java
    applications or applets to make all the necessary changes.
    
    References:
      https://usn.ubuntu.com/4080-1
      CVE-2019-2745, CVE-2019-2762, CVE-2019-2769, CVE-2019-2786,
      CVE-2019-2816, CVE-2019-2842, CVE-2019-7317
    
    Package Information:
      https://launchpad.net/ubuntu/+source/openjdk-8/8u222-b10-1ubuntu1~16.04.1
    
    You are not authorised to post comments.

    Comments powered by CComment

    LinuxSecurity Poll

    What do you think of the articles on LinuxSecurity?

    No answer selected. Please try again.
    Please select either existing option or enter your own, however not both.
    Please select minimum 0 answer(s) and maximum 3 answer(s).
    /main-polls/24-what-do-you-think-of-the-quality-of-the-articles-on-linuxsecurity?task=poll.vote&format=json
    24
    radio
    [{"id":"87","title":"Excellent, don't change a thing!","votes":"39","type":"x","order":"1","pct":50,"resources":[]},{"id":"88","title":"Should be more technical","votes":"11","type":"x","order":"2","pct":14.1,"resources":[]},{"id":"89","title":"Should include more HOWTOs","votes":"28","type":"x","order":"3","pct":35.9,"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
    bottom200

    We use cookies to provide and improve our services. By using our site, you consent to our Cookie Policy.