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    Ubuntu 4496-1: Apache XML-RPC vulnerability

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    Apache XML-RPC could be made to execute arbitrary code if it received specially crafted data by a malicious XML-RPC server.
    Ubuntu Security Notice USN-4496-1
    September 15, 2020
    Apache XML-RPC vulnerability
    A security issue affects these releases of Ubuntu and its derivatives:
    - Ubuntu 18.04 LTS
    - Ubuntu 16.04 LTS
    Apache XML-RPC could be made to execute arbitrary code if it received
    specially crafted data by a malicious XML-RPC server.
    Software Description:
    - libxmlrpc3-java: XML-RPC implementation in Java
    It was discovered that Apache XML-RPC (aka ws-xmlrpc) does not properly
    deserialize untrusted data. An attacker could possibly use this issue to
    execute arbitrary code. (CVE-2019-17570)
    Update instructions:
    The problem can be corrected by updating your system to the following
    package versions:
    Ubuntu 18.04 LTS:
      libxmlrpc3-client-java          3.1.3-9+deb10u1build0.18.04.1
      libxmlrpc3-common-java          3.1.3-9+deb10u1build0.18.04.1
      libxmlrpc3-server-java          3.1.3-9+deb10u1build0.18.04.1
    Ubuntu 16.04 LTS:
      libxmlrpc3-client-java          3.1.3-7+deb8u1build0.16.04.1
      libxmlrpc3-common-java          3.1.3-7+deb8u1build0.16.04.1
      libxmlrpc3-server-java          3.1.3-7+deb8u1build0.16.04.1
    In general, a standard system update will make all the necessary changes.
    Package Information:


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