VDB-105143 · CVE-2015-2687 · BID 77505

OpenStack Compute Live Migration access control

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.
5.0	$0-$5k	0.00

Summaryinfo

A vulnerability has been found in OpenStack Compute and classified as problematic. Impacted is an unknown function of the component Live Migration Handler. The manipulation leads to access control. This vulnerability is listed as CVE-2015-2687. The attack must be carried out locally. There is no available exploit.

Detailsinfo

A vulnerability was found in OpenStack Compute (Cloud Software) (the affected version unknown) and classified as problematic. This issue affects an unknown part of the component Live Migration Handler. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

OpenStack Compute (nova) Icehouse, Juno and Havana when live migration fails allows local users to access VM volumes that they would normally not have permissions for.

The bug was discovered 03/24/2015. The weakness was presented 08/09/2017 with OpenStack (oss-sec). It is possible to read the advisory at openwall.com. The identification of this vulnerability is CVE-2015-2687 since 03/24/2015. Attacking locally is a requirement. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 869 days. During that time the estimated underground price was around $0-$5k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 77505†). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Cloud Software

Vendor

OpenStack

Name

Compute

License

free

Website

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

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.0
VulDB Meta Temp Score: 5.0

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.7
NVD Vector: 🔍

CVSSv2info

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

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

03/24/2015 🔍
03/24/2015 +0 days 🔍
10/29/2015 +219 days 🔍
08/09/2017 +650 days 🔍
08/09/2017 +0 days 🔍
08/10/2017 +1 days 🔍
01/08/2021 +1247 days 🔍

Sourcesinfo

Vendor: openstack.org

Advisory: openwall.com
Researcher: OpenStack
Organization: OpenStack
Status: Not defined
Confirmation: 🔍

CVE: CVE-2015-2687 (🔍)
GCVE (CVE): GCVE-0-2015-2687
GCVE (VulDB): GCVE-100-105143
SecurityFocus: 77505 - OpenStack Nova CVE-2015-2687 Local Information Disclosure Vulnerability

Entryinfo

Created: 08/10/2017 08:21
Updated: 01/08/2021 15:54
Changes: 08/10/2017 08:21 (63), 11/05/2019 17:39 (1), 01/08/2021 15:54 (2)
Complete: 🔍
Cache ID: 216::103