VDB-78903 · CVE-2015-5240 · RHSA-2015:1909

OpenStack Neutron up to 2014.2.3/2015.1.1 ML2 Plugin race condition

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.
6.0	$0-$5k	0.00

Summaryinfo

A vulnerability classified as problematic has been found in OpenStack Neutron up to 2014.2.3/2015.1.1. Affected by this vulnerability is an unknown functionality of the component ML2 Plugin. Performing a manipulation results in race condition. This vulnerability was named CVE-2015-5240. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in OpenStack Neutron up to 2014.2.3/2015.1.1 (Cloud Software). This affects some unknown processing of the component ML2 Plugin. The manipulation with an unknown input leads to a race condition vulnerability. CWE is classifying the issue as CWE-362. The product contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Race condition in OpenStack Neutron before 2014.2.4 and 2015.1 before 2015.1.2, when using the ML2 plugin or the security groups AMQP API, allows authenticated users to bypass IP anti-spoofing controls by changing the device owner of a port to start with network: before the security group rules are applied.

The weakness was presented 10/27/2015 (Website). It is possible to read the advisory at security.openstack.org. This vulnerability is uniquely identified as CVE-2015-5240 since 07/01/2015. It is possible to initiate the attack remotely. Required for exploitation is a authentication. The technical details are unknown and an exploit is not publicly available.

Upgrading to version 2014.2.4 or 2015.1.2 eliminates this vulnerability.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Cloud Software

Vendor

OpenStack

Name

Neutron

Version

License

free

Website

Vendor: https://www.openstack.org/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
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: Race condition
CWE: CWE-362
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
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

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Neutron 2014.2.4/2015.1.2

Timelineinfo

07/01/2015 🔍
10/27/2015 +118 days 🔍
10/27/2015 +0 days 🔍
10/28/2015 +1 days 🔍
06/25/2022 +2432 days 🔍

Sourcesinfo

Vendor: openstack.org

Advisory: RHSA-2015:1909
Status: Not defined
Confirmation: 🔍

CVE: CVE-2015-5240 (🔍)
GCVE (CVE): GCVE-0-2015-5240
GCVE (VulDB): GCVE-100-78903

Entryinfo

Created: 10/28/2015 10:58
Updated: 06/25/2022 10:32
Changes: 10/28/2015 10:58 (43), 02/21/2018 08:20 (8), 06/25/2022 10:32 (3)
Complete: 🔍
Cache ID: 216:B43:103