1. Ubuntu Security Notices
  2. USN-3939-1

USN-3939-1: Samba vulnerability

Publication date

8 April 2019

Overview

Samba could be made to create files in unexpected locations.

Releases

Packages

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

Details

Michael Hanselmann discovered that Samba incorrectly handled registry
files. A remote attacker could possibly use this issue to create new
registry files outside of the share, contrary to expectations.

Michael Hanselmann discovered that Samba incorrectly handled registry
files. A remote attacker could possibly use this issue to create new
registry files outside of the share, contrary to expectations.

Update instructions

In general, a standard system update will make all the necessary changes.

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
18.10 cosmic libsmbclient –  2:4.8.4+dfsg-2ubuntu2.3
samba –  2:4.8.4+dfsg-2ubuntu2.3
18.04 bionic libsmbclient –  2:4.7.6+dfsg~ubuntu-0ubuntu2.9
samba –  2:4.7.6+dfsg~ubuntu-0ubuntu2.9
16.04 xenial libsmbclient –  2:4.3.11+dfsg-0ubuntu0.16.04.19
samba –  2:4.3.11+dfsg-0ubuntu0.16.04.19
14.04 trusty libsmbclient –  2:4.3.11+dfsg-0ubuntu0.14.04.20
samba –  2:4.3.11+dfsg-0ubuntu0.14.04.20

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References

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