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Ubuntu Security Update USN-3595-1: Samba vulnerabilities

Discussion in 'Linux Security Announcements (Automated)' started by LinuxBot, Mar 13, 2018.

  1. LinuxBot

    LinuxBot Moderator
    Staff Member

    Apr 25, 2017
    Likes Received:
    samba 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 Samba.

    Software Description

    • samba - SMB/CIFS file, print, and login server for Unix

    Björn Baumbach discovered that Samba incorrectly validated permissions when changing account passwords via LDAP. An authenticated attacker could use this issue to change the password of other users, including administrators, and perform actions as those users. (CVE-2018-1057)

    It was discovered that Samba incorrectly validated inputs to the RPC spoolss service. An authenticated attacker could use this issue to cause the service to crash, resulting in a denial of service. (CVE-2018-1050)

    Update instructions

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

    Ubuntu 17.10
    samba - 2:4.6.7+dfsg-1ubuntu3.2
    samba-dsdb-modules - 2:4.6.7+dfsg-1ubuntu3.2
    Ubuntu 16.04 LTS
    samba - 2:4.3.11+dfsg-0ubuntu0.16.04.13
    samba-dsdb-modules - 2:4.3.11+dfsg-0ubuntu0.16.04.13
    Ubuntu 14.04 LTS
    samba - 2:4.3.11+dfsg-0ubuntu0.14.04.14
    samba-dsdb-modules - 2:4.3.11+dfsg-0ubuntu0.14.04.14

    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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