USN-3976-2: Samba vulnerability

Published May 14, 2019
·
Updated

USN-3976-1 fixed a vulnerability in Samba. This update provides the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM. Original advisory details: Isaac Boukris and Andrew Bartlett discovered that Samba incorrectly checked S4U2Self packets. In certain environments, a remote attacker could possibly use this issue to escalate privileges.

Affected Software

4 affected componentsFixes available
All of the following
ubuntu/samba<2:4.3.11+dfsg-0ubuntu0.14.04.20+esm1
2:4.3.11+dfsg-0ubuntu0.14.04.20+esm1
Ubuntu Ubuntu=14.04
All of the following
ubuntu/samba<2:3.6.25-0ubuntu0.12.04.18
2:3.6.25-0ubuntu0.12.04.18
Ubuntu Ubuntu=12.04

Event History

May 14, 2019
Advisory Published
via Ubuntu·12:00 AM

Child vulnerabilities

Contains the following vulnerabilities.

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Frequently Asked Questions

1

What is the vulnerability ID in USN-3976-2?

The vulnerability ID in USN-3976-2 is CVE-2018-16860.

2

What software is affected by the Samba vulnerability in USN-3976-2?

The Samba vulnerability in USN-3976-2 affects Samba version 2:4.3.11+dfsg-0ubuntu0.14.04.20+esm1 on Ubuntu 14.04 and Samba version 2:3.6.25-0ubuntu0.12.04.18 on Ubuntu 12.04.

3

What is the severity of CVE-2018-16860?

The severity of CVE-2018-16860 is not specified.

4

How can I fix the Samba vulnerability in USN-3976-2?

To fix the Samba vulnerability in USN-3976-2, update Samba package to version 2:4.3.11+dfsg-0ubuntu0.14.04.20+esm1 for Ubuntu 14.04 and version 2:3.6.25-0ubuntu0.12.04.18 for Ubuntu 12.04.

5

Where can I find more information about USN-3976-2?

You can find more information about USN-3976-2 on the Ubuntu security website.

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