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Ubuntu Security Update USN-3588-1: Memcached vulnerabilities

Discussion in 'Linux Security Announcements (Automated)' started by LinuxBot, Mar 5, 2018.

  1. LinuxBot

    LinuxBot Moderator
    Staff Member

    Apr 25, 2017
    Likes Received:
    Ubuntu Security Notice USN-3588-1

    5th March, 2018

    memcached vulnerabilities

    A security issue affects these releases of Ubuntu and its derivatives:

    • Ubuntu 17.10
    • Ubuntu 16.04 LTS
    • Ubuntu 14.04 LTS

    Several security issues were fixed in Memcached.

    Software description

    • memcached - high-performance memory object caching system

    Daniel Shapira discovered an integer overflow issue in Memcached. A remote
    attacker could use this to cause a denial of service (daemon crash).

    It was discovered that Memcached listened to UDP by default. A remote
    attacker could use this as part of a distributed denial of service attack.

    Update instructions

    The problem can be corrected by updating your system to the following package version:

    Ubuntu 17.10:
    memcached 1.4.33-1ubuntu3.2
    Ubuntu 16.04 LTS:
    memcached 1.4.25-2ubuntu1.3
    Ubuntu 14.04 LTS:
    memcached 1.4.14-0ubuntu9.2

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    To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

    In general, a standard system update will make all the necessary changes.

    Please note that after applying this update, Memcached will no longer
    listen to UDP by default. If UDP service is desired, please add
    '-U 11211' to /etc/memcached conf and restart the memcached service.


    CVE-2017-9951, CVE-2018-1000115

    Continue reading...

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