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.
5.4	$0-$5k	0.00

A vulnerability was found in OpenStack Compute up to 2015.1.2/12.0.0 (Cloud Software). It has been declared as critical. This vulnerability affects an unknown part of the component libvirt. The manipulation of the argument use_cow_images with the input value false leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was presented 01/12/2016 (Website). The advisory is shared for download at security.openstack.org. This vulnerability was named CVE-2015-7548 since 09/29/2015. The attack can be initiated remotely. A single authentication is necessary for exploitation. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1592.

The vulnerability scanner Nessus provides a plugin with the ID 103812 (Ubuntu 14.04 LTS : nova vulnerabilities (USN-3449-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Ubuntu Local Security Checks and running in the context local. The commercial vulnerability scanner Qualys is able to test this issue with plugin 196940 (Ubuntu Security Notification for Nova Vulnerabilities (USN-3449-1)).

Upgrading to version 2015.1.3 or 12.0.1 eliminates this vulnerability. A possible mitigation has been published 2 years after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (103812). See 77648, 78886, 78953 and 80285 for similar entries.

Productinfo

Type

• Cloud Software

Vendor

• OpenStack

Name

• Compute

License

• free

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.4

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 3.5
NVD Vector: 🔍

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: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
ATT&CK: T1592

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: 103812
Nessus Name: Ubuntu 14.04 LTS : nova vulnerabilities (USN-3449-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 841810
OpenVAS Name: Ubuntu Update for nova USN-3449-1
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: Compute 2015.1.3/12.0.1

Timelineinfo

09/29/2015 🔍
12/09/2015 +71 days 🔍
01/12/2016 +34 days 🔍
01/12/2016 +0 days 🔍
01/13/2016 +1 days 🔍
10/11/2017 +637 days 🔍
10/12/2017 +1 days 🔍
07/02/2022 +1724 days 🔍

Sourcesinfo

Vendor: openstack.org

Advisory: USN-3449-1
Status: Not defined

CVE: CVE-2015-7548 (🔍)
SecurityFocus: 80176 - OpenStack Compute (Nova) 'imagebackend.py' Incomplete Fix Information Disclosure Vulnerability

See also: 🔍

Entryinfo

Created: 01/13/2016 09:24 AM
Updated: 07/02/2022 09:41 PM
Changes: 01/13/2016 09:24 AM (55), 06/10/2018 09:04 AM (27), 07/02/2022 09:30 PM (4), 07/02/2022 09:41 PM (1)
Complete: 🔍

Discussion

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