USN-3242-1: Samba vulnerability

Ubuntu Security Notice USN-3242-1

23rd March, 2017

samba vulnerability

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

  • Ubuntu 16.10
  • Ubuntu 16.04 LTS
  • Ubuntu 14.04 LTS
  • Ubuntu 12.04 LTS

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 16.10:
samba

2:4.4.5+dfsg-2ubuntu5.4
Ubuntu 16.04 LTS:
samba

2:4.3.11+dfsg-0ubuntu0.16.04.5
Ubuntu 14.04 LTS:
samba

2:4.3.11+dfsg-0ubuntu0.14.04.6
Ubuntu 12.04 LTS:
samba

2:3.6.25-0ubuntu0.12.04.9

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.

References

CVE-2017-2619


Source From: ubuntu.com.
Original article title: USN-3242-1: Samba vulnerability.
This full article can be read at: USN-3242-1: Samba vulnerability.

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