Executive Summary

Summary
Title Samba vulnerability
Informations
NameUSN-3976-1First vendor Publication2019-05-14
VendorUbuntuLast vendor Modification2019-05-14
Severity (Vendor) N/ARevisionN/A

Security-Database Scoring CVSS v2

Cvss vector :
Cvss Base ScoreN/AAttack RangeN/A
Cvss Impact ScoreN/AAttack ComplexityN/A
Cvss Expoit ScoreN/AAuthenticationN/A
Calculate full CVSS 2.0 Vectors scores

Detail

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

- Ubuntu 19.04 - Ubuntu 18.10 - Ubuntu 18.04 LTS - Ubuntu 16.04 LTS

Summary:

Samba could allow unintended access to network services.

Software Description: - samba: SMB/CIFS file, print, and login server for Unix

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.

Update instructions:

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

Ubuntu 19.04:
samba 2:4.10.0+dfsg-0ubuntu2.1

Ubuntu 18.10:
samba 2:4.8.4+dfsg-2ubuntu2.4

Ubuntu 18.04 LTS:
samba 2:4.7.6+dfsg~ubuntu-0ubuntu2.10

Ubuntu 16.04 LTS:
samba 2:4.3.11+dfsg-0ubuntu0.16.04.20

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

References:
https://usn.ubuntu.com/usn/usn-3976-1
CVE-2018-16860

Package Information:
https://launchpad.net/ubuntu/+source/samba/2:4.10.0+dfsg-0ubuntu2.1
https://launchpad.net/ubuntu/+source/samba/2:4.8.4+dfsg-2ubuntu2.4
https://launchpad.net/ubuntu/+source/samba/2:4.7.6+dfsg~ubuntu-0ubuntu2.10
https://launchpad.net/ubuntu/+source/samba/2:4.3.11+dfsg-0ubuntu0.16.04.20

Original Source

Url : http://www.ubuntu.com/usn/USN-3976-1

Alert History

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0
1
DateInformations
2019-05-14 17:21:37
  • Multiple Updates
2019-05-14 17:18:49
  • First insertion