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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2018-6556 Detail

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.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

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/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/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/2019-04/msg00091.html Mailing List  Third Party Advisory 
http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00073.html
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://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://bugzilla.suse.com/show_bug.cgi?id=988348 Issue Tracking  Patch 
https://security.gentoo.org/glsa/201808-02 Third Party Advisory 
https://security.gentoo.org/glsa/201808-02 Third Party Advisory 
https://usn.ubuntu.com/usn/usn-3730-1 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 cwe source acceptance level NIST  

Known Affected Software Configurations Switch to CPE 2.2

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Change History

9 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2018-6556
NVD Published Date:
08/10/2018
NVD Last Modified:
11/20/2024
Source:
Canonical Ltd.