Ubuntu Security Update USN-3267-1: Samba vulnerability

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Ubuntu Security Notice USN-3267-1


25th April, 2017

samba vulnerability


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

  • Ubuntu 17.04
Summary


Samba could be made to expose sensitive information over the network.

Software description

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


Jann Horn discovered that Samba incorrectly handled symlinks. An
authenticated remote attacker could use this issue to access files on the
server outside of the exported directories.

Update instructions


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

Ubuntu 17.04:
samba 2:4.5.8+dfsg-0ubuntu0.17.04.1

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

This update uses a new upstream release, which includes additional bug
fixes. In general, a standard system update will make all the necessary
changes.

References


CVE-2017-2619

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