CVE-2018-6556
"LXC File Path Traversal Vulnerability"
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.
INFO
Published Date :
Aug. 10, 2018, 3:29 p.m.
Last Modified :
May 31, 2019, 9:29 p.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
1.4
Exploitability Score :
1.8
Public PoC/Exploit Available at Github
CVE-2018-6556 has a 3 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
Affected Products
The following products are affected by CVE-2018-6556
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2018-6556.
| URL | 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 |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
None
None
LXC Information Disclosure vulnerability.
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2018-6556 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2018-6556 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
May. 31, 2019
Action Type Old Value New Value Added Reference http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00073.html [No Types Assigned] -
Modified Analysis by [email protected]
Apr. 27, 2019
Action Type Old Value New Value Changed Reference Type https://security.gentoo.org/glsa/201808-02 No Types Assigned https://security.gentoo.org/glsa/201808-02 Third Party Advisory Changed Reference Type http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00091.html No Types Assigned http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00091.html Mailing List, Third Party Advisory Changed Reference Type http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00074.html No Types Assigned http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00074.html Mailing List, Third Party Advisory Changed Reference Type http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00076.html No Types Assigned http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00076.html Mailing List, Third Party Advisory Added CPE Configuration OR *cpe:2.3:a:suse:caas_platform:1.0:*:*:*:*:*:*:* *cpe:2.3:a:suse:caas_platform:2.0:*:*:*:*:*:*:* *cpe:2.3:a:suse:openstack_cloud:6:*:*:*:*:*:*:* *cpe:2.3:o:suse:suse_linux_enterprise_server:11:sp3:*:*:ltss:*:*:* *cpe:2.3:o:suse:suse_linux_enterprise_server:11:sp4:*:*:*:*:*:* Added CPE Configuration OR *cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Apr. 25, 2019
Action Type Old Value New Value Added Reference http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00091.html [No Types Assigned] -
CVE Modified by [email protected]
Apr. 18, 2019
Action Type Old Value New Value Added Reference http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00076.html [No Types Assigned] -
CVE Modified by [email protected]
Apr. 17, 2019
Action Type Old Value New Value Added Reference http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00074.html [No Types Assigned] -
CVE Modified by [email protected]
Oct. 21, 2018
Action Type Old Value New Value Added Reference https://security.gentoo.org/glsa/201808-02 [No Types Assigned] -
Initial Analysis by [email protected]
Oct. 12, 2018
Action Type Old Value New Value Added CVSS V2 (AV:L/AC:L/Au:N/C:P/I:N/A:N) Added CVSS V3 AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N Changed Reference Type https://bugzilla.suse.com/show_bug.cgi?id=988348 No Types Assigned https://bugzilla.suse.com/show_bug.cgi?id=988348 Issue Tracking, Patch Changed Reference Type https://bugs.launchpad.net/ubuntu/+source/lxc/+bug/1783591 No Types Assigned https://bugs.launchpad.net/ubuntu/+source/lxc/+bug/1783591 Issue Tracking, Third Party Advisory Changed Reference Type https://usn.ubuntu.com/usn/usn-3730-1 No Types Assigned https://usn.ubuntu.com/usn/usn-3730-1 Third Party Advisory Added CWE CWE-417 Added CPE Configuration OR *cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* Added CPE Configuration OR *cpe:2.3:a:linuxcontainers:lxc:*:*:*:*:*:*:*:* versions from (including) 2.0.0 up to (including) 2.0.9 *cpe:2.3:a:linuxcontainers:lxc:*:*:*:*:*:*:*:* versions from (including) 3.0.0 up to (excluding) 3.0.2
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2018-6556 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2018-6556
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.08 }} 0.03%
score
0.32150
percentile