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Ubuntu Security Update USN-3276-3: shadow vulnerability

Discussion in 'Linux Security Announcements (Automated)' started by LinuxBot, Nov 14, 2017.

  1. LinuxBot

    LinuxBot Moderator
    Staff Member

    Apr 25, 2017
    Likes Received:
    Ubuntu Security Notice USN-3276-3

    14th November, 2017

    shadow vulnerability

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

    • Ubuntu 12.04 LTS

    su could be made to crash or stop programs as an administrator.

    Software description

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    • shadow - system login tools

    USN-3276-1 and USN-3276-2 fixed vulnerabilities in shadow. This update
    provides the corresponding update for Ubuntu 12.04 ESM.

    Original advisory details:

    Sebastian Krahmer discovered integer overflows in shadow utilities.
    A local attacker could possibly cause them to crash or potentially
    gain privileges via crafted input. (CVE-2016-6252)

    Update instructions

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

    Ubuntu 12.04 LTS:
    passwd 1:
    login 1:

    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.



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