OpenStack Compute up to 2015.1.2/12.0.0 libvirt use_cow_images information disclosure

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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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 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.






  • free

CPE 2.3info

CPE 2.2info


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: 🔍



VulDB Base Score: 🔍
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Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
ATT&CK: T1592

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍


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: 🔍
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Recommended: Upgrade
Status: 🔍

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

Upgrade: Compute 2015.1.3/12.0.1


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 🔍



Advisory: USN-3449-1
Status: Not defined

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

See also: 🔍


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: 🔍


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