OpenStack Compute up to 2015.1.3 libvirt Driver File information disclosure

CVSS Meta Temp Score
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CTI Interest Score
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6.3$0-$5k0.00

A vulnerability was found in OpenStack Compute up to 2015.1.3 (Cloud Software). It has been declared as critical. This vulnerability affects an unknown functionality of the component libvirt Driver. The manipulation with an unknown input leads to a information disclosure vulnerability (File). 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, and availability. CVE summarizes:

The libvirt driver in OpenStack Compute (Nova) before 2015.1.4 (kilo) and 12.0.x before 12.0.3 (liberty), when using raw storage and use_cow_images is set to false, allows remote authenticated users to read arbitrary files via a crafted qcow2 header in an ephemeral or root disk.

The weakness was presented 04/12/2016 with Red Hat (Website). The advisory is available at openwall.com. This vulnerability was named CVE-2016-2140 since 01/28/2016. The attack can be initiated remotely. The successful exploitation needs a single authentication. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1592 by the MITRE ATT&CK project.

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 l. 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 2015.1.4 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 80188 for similar entries.

Productinfo

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License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
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CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

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

NVD Base Score: 5.3
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Name: File
Class: Information disclosure / File
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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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: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
Exposure Time: 🔍

Upgrade: Compute 2015.1.4

Timelineinfo

01/28/2016 🔍
03/07/2016 +39 days 🔍
04/12/2016 +35 days 🔍
04/12/2016 +0 days 🔍
04/13/2016 +1 days 🔍
10/11/2017 +545 days 🔍
10/12/2017 +1 days 🔍
07/24/2022 +1746 days 🔍

Sourcesinfo

Vendor: openstack.org

Advisory: USN-3449-1
Organization: Red Hat
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-2140 (🔍)
SecurityFocus: 84277 - OpenStack Compute (Nova) CVE-2016-2140 Security Bypass Vulnerability

See also: 🔍

Entryinfo

Created: 04/13/2016 10:07
Updated: 07/24/2022 08:03
Changes: 04/13/2016 10:07 (51), 10/05/2018 07:41 (32), 07/24/2022 08:03 (3)
Complete: 🔍

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