Executive Summary

Summary
Title LXCFS vulnerabilities
Informations
Name USN-2813-1 First vendor Publication 2015-11-17
Vendor Ubuntu Last vendor Modification 2015-11-17
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:C/I:C/A:C)
Cvss Base Score 7.2 Attack Range Local
Cvss Impact Score 10 Attack Complexity Low
Cvss Expoit Score 3.9 Authentication None Required
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Detail

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

- Ubuntu 15.10 - Ubuntu 15.04

Summary:

Several security issues were fixed in LXCFS.

Software Description: - lxcfs: FUSE based filesystem for LXC

Details:

It was discovered that LXCFS incorrectly enforced directory escapes. A local attacker could use this issue to possibly escalate privileges. (CVE-2015-1342)

It was discovered that LXCFS incorrectly checked certain permissions. A local attacker could use this issue t possibly escalate privileges. (CVE-2015-1344)

Update instructions:

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

Ubuntu 15.10:
lxcfs 0.10-0ubuntu2.1

Ubuntu 15.04:
lxcfs 0.7-0ubuntu4.1

After a standard system update you need to reboot your computer to make all the necessary changes.

References:
http://www.ubuntu.com/usn/usn-2813-1
CVE-2015-1342, CVE-2015-1344

Package Information:
https://launchpad.net/ubuntu/+source/lxcfs/0.10-0ubuntu2.1
https://launchpad.net/ubuntu/+source/lxcfs/0.7-0ubuntu4.1

Original Source

Url : http://www.ubuntu.com/usn/USN-2813-1

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-264 Permissions, Privileges, and Access Controls

CPE : Common Platform Enumeration

TypeDescriptionCount
Os 2

Nessus® Vulnerability Scanner

Date Description
2015-11-18 Name : The remote Ubuntu host is missing a security-related patch.
File : ubuntu_USN-2813-1.nasl - Type : ACT_GATHER_INFO

Alert History

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0
1
2
3
Date Informations
2015-12-09 00:28:53
  • Multiple Updates
2015-12-08 00:29:48
  • Multiple Updates
2015-11-19 13:25:26
  • Multiple Updates
2015-11-17 21:22:42
  • First insertion