Executive Summary

Summary
Title LXD vulnerabilities
Informations
Name USN-2988-1 First vendor Publication 2016-05-31
Vendor Ubuntu Last vendor Modification 2016-05-31
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 16.04 LTS - Ubuntu 15.10

Summary:

Several security issues were fixed in LXD.

Software Description: - lxd: Container hypervisor based on LXC

Details:

Robie Basak discovered that LXD incorrectly set permissions when setting up a loop based ZFS pool. A local attacker could use this issue to copy and read the data of any LXD container. (CVE-2016-1581)

Robie Basak discovered that LXD incorrectly set permissions when switching an unprivileged container into privileged mode. A local attacker could use this issue to access any world readable path in the container directory, including setuid binaries. (CVE-2016-1582)

Update instructions:

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

Ubuntu 16.04 LTS:
lxd 2.0.2-0ubuntu1~16.04.1

Ubuntu 15.10:
lxd 0.20-0ubuntu4.2

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

References:
http://www.ubuntu.com/usn/usn-2988-1
CVE-2016-1581, CVE-2016-1582

Package Information:
https://launchpad.net/ubuntu/+source/lxd/2.0.2-0ubuntu1~16.04.1
https://launchpad.net/ubuntu/+source/lxd/0.20-0ubuntu4.2

Original Source

Url : http://www.ubuntu.com/usn/USN-2988-1

CWE : Common Weakness Enumeration

% Id Name
50 % CWE-284 Access Control (Authorization) Issues
50 % CWE-200 Information Exposure

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 1
Os 2

Nessus® Vulnerability Scanner

Date Description
2016-06-01 Name : The remote Ubuntu host is missing a security-related patch.
File : ubuntu_USN-2988-1.nasl - Type : ACT_GATHER_INFO

Alert History

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0
1
2
3
Date Informations
2016-06-10 21:38:29
  • Multiple Updates
2016-06-09 21:41:05
  • Multiple Updates
2016-06-02 13:27:32
  • Multiple Updates
2016-05-31 21:25:36
  • First insertion