Executive Summary

Summary
Title LXC vulnerability
Informations
Name USN-3730-1 First vendor Publication 2018-08-06
Vendor Ubuntu Last vendor Modification 2018-08-06
Severity (Vendor) N/A Revision N/A

Security-Database Scoring CVSS v3

Cvss vector : N/A
Overall CVSS Score NA
Base Score NA Environmental Score NA
impact SubScore NA Temporal Score NA
Exploitabality Sub Score NA
 
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:L/AC:L/Au:N/C:P/I:N/A:N)
Cvss Base Score 2.1 Attack Range Local
Cvss Impact Score 2.9 Attack Complexity Low
Cvss Expoit Score 3.9 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

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

- Ubuntu 18.04 LTS

Summary:

LXC would allow unintended access to files.

Software Description: - lxc: Linux Containers userspace tools

Details:

Matthias Gerstner discovered that LXC incorrectly handled the lxc-user-nic utility. A local attacker could possibly use this issue to open arbitrary files.

Update instructions:

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

Ubuntu 18.04 LTS:
lxc 3.0.1-0ubuntu1~18.04.2

After a standard system update you need to restart LXC containers to make all the necessary changes.

References:
https://usn.ubuntu.com/usn/usn-3730-1
CVE-2018-6556

Package Information:
https://launchpad.net/ubuntu/+source/lxc/3.0.1-0ubuntu1~18.04.2

Original Source

Url : http://www.ubuntu.com/usn/USN-3730-1

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-417 Channel and Path Errors

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 29
Application 2
Application 1
Os 1
Os 1
Os 2

Nessus® Vulnerability Scanner

Date Description
2018-08-23 Name : The remote Gentoo host is missing one or more security-related patches.
File : gentoo_GLSA-201808-02.nasl - Type : ACT_GATHER_INFO

Alert History

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0
1
2
Date Informations
2018-10-13 00:25:22
  • Multiple Updates
2018-08-10 21:21:57
  • Multiple Updates
2018-08-06 21:19:01
  • First insertion