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[USN-3267-1] Samba vulnerability

Posted on 25 April 2017
Ubuntu Security

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Ubuntu Security Notice USN-3267-1
April 25, 2017

samba vulnerability
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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 versions:

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

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:
http://www.ubuntu.com/usn/usn-3267-1
CVE-2017-2619

Package Information:
https://launchpad.net/ubuntu/+source/samba/2:4.5.8+dfsg-0ubuntu0.17.04.=
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