Executive Summary

Summary
Title LXC: Remote security bypass
Informations
Name GLSA-201711-09 First vendor Publication 2017-11-11
Vendor Gentoo Last vendor Modification 2017-11-11
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:N/AC:L/Au:N/C:N/I:P/A:N)
Cvss Base Score 5 Attack Range Network
Cvss Impact Score 2.9 Attack Complexity Low
Cvss Expoit Score 10 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

Synopsis


========


 


A vulnerability in LXC may lead to an unauthorized security bypass.


 


Background


==========


 


LinuX Containers userspace utilities


 


Description


===========


 


Previous versions of lxc-attach ran a shell or the specified command


without allocating a pseudo terminal making it vulnerable to input


faking via a TIOCSTI ioctl call.


 


Impact


======


 


Remote attackers can escape the container and perform unauthorized


modifications.


 


Workaround


==========


 


There is no know workaround at this time.


 


Resolution


==========


 


All LXC users should upgrade to the latest version:


 



# emerge --sync



# emerge --ask --oneshot --verbose ">=app-emulation/lxc-2.0.7"


 


References


==========


 


[ 1 ] CVE-2016-10124


https://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-10124


 


Availability


============


 


This GLSA and any updates to it are available for viewing at


the Gentoo Security Website:


 


https://security.gentoo.org/glsa/201711-09


 


Original Source

Url : http://security.gentoo.org/glsa/glsa-201711-09.xml

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-284 Access Control (Authorization) Issues

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 29

Nessus® Vulnerability Scanner

Date Description
2017-11-13 Name : The remote Gentoo host is missing one or more security-related patches.
File : gentoo_GLSA-201711-09.nasl - Type : ACT_GATHER_INFO
2017-08-03 Name : The remote Ubuntu host is missing a security-related patch.
File : ubuntu_USN-3375-1.nasl - Type : ACT_GATHER_INFO

Alert History

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0
1
Date Informations
2017-11-14 13:24:55
  • Multiple Updates
2017-11-11 17:23:31
  • First insertion