National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2018-6556 Detail

Current Description

lxc-user-nic when asked to delete a network interface will unconditionally open a user provided path. This code path may be used by an unprivileged user to check for the existence of a path which they wouldn't otherwise be able to reach. It may also be used to trigger side effects by causing a (read-only) open of special kernel files (ptmx, proc, sys). Affected releases are LXC: 2.0 versions above and including 2.0.9; 3.0 versions above and including 3.0.0, prior to 3.0.2.

Source:  MITRE
View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score: 3.3 LOW
Vector:  CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00074.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00076.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00091.html Mailing List Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00073.html
https://bugs.launchpad.net/ubuntu/+source/lxc/+bug/1783591 Issue Tracking Third Party Advisory
https://bugzilla.suse.com/show_bug.cgi?id=988348 Issue Tracking Patch
https://security.gentoo.org/glsa/201808-02 Third Party Advisory
https://usn.ubuntu.com/usn/usn-3730-1 Third Party Advisory

Weakness Enumeration

CWE-ID CWE Name Source
CWE-417 Communication Channel Errors NIST  

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
     Show Matching CPE(s)

Configuration 2 ( hide )
 cpe:2.3:a:linuxcontainers:lxc:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
From (including)
2.0.0
Up to (including)
2.0.9
 cpe:2.3:a:linuxcontainers:lxc:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
From (including)
3.0.0
Up to (excluding)
3.0.2

Configuration 3 ( hide )
 cpe:2.3:a:suse:caas_platform:1.0:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:suse:caas_platform:2.0:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:a:suse:openstack_cloud:6:*:*:*:*:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:suse:suse_linux_enterprise_server:11:sp3:*:*:ltss:*:*:*
     Show Matching CPE(s)
 cpe:2.3:o:suse:suse_linux_enterprise_server:11:sp4:*:*:*:*:*:*
     Show Matching CPE(s)

Configuration 4 ( hide )
 cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:*
     Show Matching CPE(s)


Change History

7 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2018-6556
NVD Published Date:
08/10/2018
NVD Last Modified:
05/31/2019