VDB-133897 · CVE-2011-3147 · OSVDB 76024

Nova up to 2012 Hypervisor Host File information disclosure

CVSS Meta Temp Score
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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
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5.7$0-$5k0.00

A vulnerability has been found in Nova up to 2012 and classified as problematic. Affected by this vulnerability is an unknown functionality of the component Hypervisor Host File Handler. The manipulation with an unknown input 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. The summary by CVE is:

Versions of nova before 2012.1 could expose hypervisor host files to a guest operating system when processing a maliciously constructed qcow filesystem.

The bug was discovered 09/18/2011. The weakness was disclosed 04/22/2019. This vulnerability is known as CVE-2011-3147 since 08/16/2011. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1592 for this issue.

The vulnerability was handled as a non-public zero-day exploit for at least 2773 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 2012.1 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at OSVDB (76024†).

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.7
VulDB Meta Temp Score: 5.7

VulDB Base Score: 5.8
VulDB Temp Score: 5.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.6
NVD Vector: 🔍

CNA Base Score: 2.8
CNA Vector (MITRE): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

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

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Nova 2012.1

Timelineinfo

08/16/2011 🔍
09/18/2011 +33 days 🔍
04/22/2019 +2773 days 🔍
04/23/2019 +1 days 🔍
09/06/2023 +1597 days 🔍

Sourcesinfo

Advisory: bazaar.launchpad.net
Status: Not defined

CVE: CVE-2011-3147 (🔍)
OSVDB: 76024 - OpenStack Compute qcow2 image security bypass

Entryinfo

Created: 04/23/2019 08:09 AM
Updated: 09/06/2023 07:36 AM
Changes: 04/23/2019 08:09 AM (54), 06/01/2020 06:59 AM (3), 09/06/2023 07:30 AM (4), 09/06/2023 07:36 AM (12)
Complete: 🔍
Cache ID: 18:CD1:40

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