CVE-2014-7821
OpenStack Neutron DNS Configuration Denial of Service
Description
OpenStack Neutron before 2014.1.4 and 2014.2.x before 2014.2.1 allows remote authenticated users to cause a denial of service (crash) via a crafted dns_nameservers value in the DNS configuration.
INFO
Published Date :
Nov. 24, 2014, 3:59 p.m.
Last Modified :
Feb. 13, 2023, 12:42 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
2.9
Exploitability Score :
8.0
Affected Products
The following products are affected by CVE-2014-7821
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-2014-7821
.
URL | Resource |
---|---|
http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155351.html | Third Party Advisory |
http://lists.openstack.org/pipermail/openstack-announce/2014-November/000303.html | Patch Vendor Advisory |
http://rhn.redhat.com/errata/RHSA-2014-1938.html | Third Party Advisory |
http://rhn.redhat.com/errata/RHSA-2014-1942.html | Third Party Advisory |
http://rhn.redhat.com/errata/RHSA-2015-0044.html | Third Party Advisory |
http://secunia.com/advisories/62586 | Third Party Advisory |
http://www.oracle.com/technetwork/topics/security/bulletinjan2015-2370101.html | Third Party Advisory |
https://bugs.launchpad.net/neutron/+bug/1378450 | Third Party Advisory |
https://exchange.xforce.ibmcloud.com/vulnerabilities/98818 | Third Party Advisory VDB Entry |
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).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2014-7821
vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2014-7821
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]
Feb. 13, 2023
Action Type Old Value New Value Changed Description A denial of service flaw was found in the way neutron handled the 'dns_nameservers' parameter. By providing specially crafted 'dns_nameservers' values, an authenticated user could use this flaw to crash the neutron service. OpenStack Neutron before 2014.1.4 and 2014.2.x before 2014.2.1 allows remote authenticated users to cause a denial of service (crash) via a crafted dns_nameservers value in the DNS configuration. Removed CVSS V2 Red Hat, Inc. (AV:N/AC:L/Au:S/C:N/I:N/A:P) Removed Reference https://access.redhat.com/errata/RHSA-2014:1938 [No Types Assigned] Removed Reference https://access.redhat.com/errata/RHSA-2014:1942 [No Types Assigned] Removed Reference https://access.redhat.com/errata/RHSA-2015:0044 [No Types Assigned] Removed Reference https://access.redhat.com/security/cve/CVE-2014-7821 [No Types Assigned] Removed Reference https://bugzilla.redhat.com/show_bug.cgi?id=1163457 [No Types Assigned] -
CVE Modified by [email protected]
Feb. 02, 2023
Action Type Old Value New Value Changed Description OpenStack Neutron before 2014.1.4 and 2014.2.x before 2014.2.1 allows remote authenticated users to cause a denial of service (crash) via a crafted dns_nameservers value in the DNS configuration. A denial of service flaw was found in the way neutron handled the 'dns_nameservers' parameter. By providing specially crafted 'dns_nameservers' values, an authenticated user could use this flaw to crash the neutron service. Added CVSS V2 Red Hat, Inc. (AV:N/AC:L/Au:S/C:N/I:N/A:P) Added Reference https://access.redhat.com/errata/RHSA-2015:0044 [No Types Assigned] Added Reference https://access.redhat.com/errata/RHSA-2014:1942 [No Types Assigned] Added Reference https://access.redhat.com/security/cve/CVE-2014-7821 [No Types Assigned] Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=1163457 [No Types Assigned] Added Reference https://access.redhat.com/errata/RHSA-2014:1938 [No Types Assigned] -
Modified Analysis by [email protected]
Oct. 19, 2018
Action Type Old Value New Value Changed Reference Type https://exchange.xforce.ibmcloud.com/vulnerabilities/98818 No Types Assigned https://exchange.xforce.ibmcloud.com/vulnerabilities/98818 Third Party Advisory, VDB Entry Changed Reference Type http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155351.html No Types Assigned http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155351.html Third Party Advisory Changed Reference Type http://rhn.redhat.com/errata/RHSA-2014-1938.html No Types Assigned http://rhn.redhat.com/errata/RHSA-2014-1938.html Third Party Advisory Changed Reference Type http://rhn.redhat.com/errata/RHSA-2014-1942.html No Types Assigned http://rhn.redhat.com/errata/RHSA-2014-1942.html Third Party Advisory Changed Reference Type http://www.oracle.com/technetwork/topics/security/bulletinjan2015-2370101.html No Types Assigned http://www.oracle.com/technetwork/topics/security/bulletinjan2015-2370101.html Third Party Advisory Changed Reference Type https://bugs.launchpad.net/neutron/+bug/1378450 No Types Assigned https://bugs.launchpad.net/neutron/+bug/1378450 Third Party Advisory Changed Reference Type http://secunia.com/advisories/62586 No Types Assigned http://secunia.com/advisories/62586 Third Party Advisory Changed Reference Type http://rhn.redhat.com/errata/RHSA-2015-0044.html No Types Assigned http://rhn.redhat.com/errata/RHSA-2015-0044.html Third Party Advisory Changed CPE Configuration OR *cpe:2.3:a:openstack:neutron:2014.1:*:*:*:*:*:*:* *cpe:2.3:a:openstack:neutron:2014.1.1:*:*:*:*:*:*:* *cpe:2.3:a:openstack:neutron:2014.1.2:*:*:*:*:*:*:* *cpe:2.3:a:openstack:neutron:2014.1.2-3:*:*:*:*:*:*:* *cpe:2.3:a:openstack:neutron:*:*:*:*:*:*:*:* versions up to (including) 2014.1.3 *cpe:2.3:a:openstack:neutron:2014.2:*:*:*:*:*:*:* OR *cpe:2.3:a:openstack:neutron:*:*:*:*:*:*:*:* versions from (including) 2012.2.1 up to (excluding) 2014.1.4 *cpe:2.3:a:openstack:neutron:*:*:*:*:*:*:*:* versions from (including) 2014.2 up to (excluding) 2014.2.1 -
CVE Modified by [email protected]
Sep. 08, 2017
Action Type Old Value New Value Removed Reference http://xforce.iss.net/xforce/xfdb/98818 [No Types Assigned] Added Reference https://exchange.xforce.ibmcloud.com/vulnerabilities/98818 [No Types Assigned] -
CVE Modified by [email protected]
Dec. 08, 2016
Action Type Old Value New Value Added Reference https://bugs.launchpad.net/neutron/+bug/1378450 [No Types Assigned] -
CVE Modified by [email protected]
Oct. 26, 2016
Action Type Old Value New Value Added Reference http://www.oracle.com/technetwork/topics/security/bulletinjan2015-2370101.html -
Modified Analysis by [email protected]
Jun. 28, 2016
Action Type Old Value New Value Changed CPE Configuration Configuration 1 OR *cpe:2.3:a:openstack:neutron:2014.1:*:*:*:*:*:*:* *cpe:2.3:a:openstack:neutron:2014.1.1:*:*:*:*:*:*:* *cpe:2.3:a:openstack:neutron:2014.1.2:*:*:*:*:*:*:* *cpe:2.3:a:openstack:neutron:2014.1.2-3:*:*:*:*:*:*:* *cpe:2.3:a:openstack:neutron:2014.1.3:*:*:*:*:*:*:* (and previous) *cpe:2.3:a:openstack:neutron:2014.2:*:*:*:*:*:*:* Configuration 1 OR *cpe:2.3:a:openstack:neutron:2014.1:*:*:*:*:*:*:* *cpe:2.3:a:openstack:neutron:2014.1.1:*:*:*:*:*:*:* *cpe:2.3:a:openstack:neutron:2014.1.2:*:*:*:*:*:*:* *cpe:2.3:a:openstack:neutron:2014.1.2-3:*:*:*:*:*:*:* *cpe:2.3:a:openstack:neutron:2014.1.3:*:*:*:*:*:*:* (and previous) *cpe:2.3:a:openstack:neutron:2014.2:*:*:*:*:*:*:* Configuration 2 OR *cpe:2.3:o:fedoraproject:fedora:20:*:*:*:*:*:*:* Configuration 3 OR *cpe:2.3:a:redhat:openstack:4.0:*:*:*:*:*:*:* -
CVE Modified by [email protected]
May. 12, 2015
Action Type Old Value New Value Added Reference http://lists.fedoraproject.org/pipermail/package-announce/2015-April/155351.html -
CVE Modified by [email protected]
Mar. 10, 2015
Action Type Old Value New Value Added Reference http://rhn.redhat.com/errata/RHSA-2015-0044.html -
Modified Analysis by [email protected]
Dec. 10, 2014
Action Type Old Value New Value Added CWE CWE-20 -
CVE Modified by [email protected]
Dec. 07, 2014
Action Type Old Value New Value Added Reference http://rhn.redhat.com/errata/RHSA-2014-1942.html Added Reference http://rhn.redhat.com/errata/RHSA-2014-1938.html -
Initial Analysis by [email protected]
Nov. 24, 2014
Action Type Old Value New Value Added CPE Configuration Configuration 1 OR *cpe:2.3:a:openstack:neutron:2014.1:*:*:*:*:*:*:* *cpe:2.3:a:openstack:neutron:2014.1.1:*:*:*:*:*:*:* *cpe:2.3:a:openstack:neutron:2014.1.2:*:*:*:*:*:*:* *cpe:2.3:a:openstack:neutron:2014.1.2-3:*:*:*:*:*:*:* *cpe:2.3:a:openstack:neutron:2014.1.3:*:*:*:*:*:*:* (and previous) *cpe:2.3:a:openstack:neutron:2014.2:*:*:*:*:*:*:* Added CVSS V2 (AV:N/AC:L/Au:S/C:N/I:N/A:P) Changed Reference Type http://lists.openstack.org/pipermail/openstack-announce/2014-November/000303.html No Types Assigned http://lists.openstack.org/pipermail/openstack-announce/2014-November/000303.html Advisory, Patch Added CWE CWE-399
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2014-7821
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-2014-7821
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.91 }} -0.12%
score
0.82965
percentile