VDB-72979 · CVE-2014-7821 · RHSA-2014:1938

OpenStack Neutron up to 2014.2 resource management

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.1	$0-$5k	0.00

A vulnerability was found in OpenStack Neutron up to 2014.2 (Cloud Software). It has been declared as problematic. Affected by this vulnerability is an unknown code. The manipulation with an unknown input leads to a resource management vulnerability. The CWE definition for the vulnerability is CWE-399. As an impact it is known to affect availability. The summary by CVE is:

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.

The weakness was shared 11/24/2014 (Website). It is possible to read the advisory at lists.openstack.org. This vulnerability is known as CVE-2014-7821 since 10/03/2014. The exploitation appears to be easy. The attack can be launched remotely. A single authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 82975 (Fedora 20 : openstack-neutron-2013.2.4-8.fc20 (2015-5997)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 123167 (Solaris 11.2 Support Repository Update (SRU) 6.4.0 Missing).

Upgrading to version 2014.1.3 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (98818) and Tenable (82975). The entries 67993, 71567 and 73309 are related to this item.

Productinfo

Type

Cloud Software

Vendor

OpenStack

Name

Neutron

Version

License

free

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Resource management
CWE: CWE-399 / CWE-404
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Nessus ID: 82975
Nessus Name: Fedora 20 : openstack-neutron-2013.2.4-8.fc20 (2015-5997)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 867773
OpenVAS Name: Fedora Update for openstack-neutron FEDORA-2015-5997
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Neutron 2014.1.3

Timelineinfo

10/03/2014 🔍
10/10/2014 +7 days 🔍
10/10/2014 +0 days 🔍
11/21/2014 +42 days 🔍
11/24/2014 +3 days 🔍
11/24/2014 +0 days 🔍
03/27/2015 +123 days 🔍
04/22/2015 +26 days 🔍
05/04/2015 +12 days 🔍
04/04/2022 +2527 days 🔍

Sourcesinfo

Vendor: openstack.org

Advisory: RHSA-2014:1938
Status: Not defined
Confirmation: 🔍

CVE: CVE-2014-7821 (🔍)
X-Force: 98818
Vulnerability Center: 49960 - OpenStack Neutron Remote DoS via a Crafted Dns_nameservers Value, Medium
SecurityFocus: 71278 - OpenStack Neutron 'dns_nameservers' Parameter Denial of Service Vulnerability
Secunia: 62586 - OpenStack Neutron dns_nameservers Denial of Service Vulnerability, Not Critical

See also: 🔍

Entryinfo

Created: 03/27/2015 14:56
Updated: 04/04/2022 14:07
Changes: 03/27/2015 14:56 (67), 06/28/2017 06:18 (10), 04/04/2022 14:06 (3), 04/04/2022 14:07 (1)
Complete: 🔍