OpenStack Nova-LXD up to 13.1.0 Neutron Security Group Rule 7pk security

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

Summaryinfo

A vulnerability, which was classified as critical, has been found in OpenStack Nova-LXD up to 13.1.0. Affected by this vulnerability is an unknown functionality of the component Neutron Security Group Rule Handler. The manipulation leads to 7pk security. This vulnerability is uniquely identified as CVE-2017-5936. The attack is possible to be carried out remotely. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in OpenStack Nova-LXD up to 13.1.0 (Cloud Software). It has been rated as critical. This issue affects an unknown functionality of the component Neutron Security Group Rule Handler. The manipulation with an unknown input leads to a 7pk security vulnerability. Using CWE to declare the problem leads to CWE-254. Impacted is integrity. The summary by CVE is:

OpenStack Nova-LXD before 13.1.1 uses the wrong name for the veth pairs when applying Neutron security group rules for instances, which allows remote attackers to bypass intended security restrictions.

The bug was discovered 01/31/2017. The weakness was disclosed 04/12/2017 by James Page (oss-sec). The advisory is shared at openwall.com. The identification of this vulnerability is CVE-2017-5936 since 02/08/2017. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1211 for this issue.

The vulnerability was handled as a non-public zero-day exploit for at least 9 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 97099 (Ubuntu 16.04 LTS : nova-lxd vulnerability (USN-3195-1)), 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 196692 (Ubuntu Security Notification for Nova-lxd Vulnerability (USN-3195-1)).

Upgrading to version 13.1.1 eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (97099) and SecurityFocus (BID 96182†). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: 7pk security
CWE: CWE-254
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 97099
Nessus Name: Ubuntu 16.04 LTS : nova-lxd vulnerability (USN-3195-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 841810
OpenVAS Name: Ubuntu Update for nova-lxd USN-3195-1
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Nova-LXD 13.1.1
Patch: github.com

Timelineinfo

01/31/2017 🔍
02/08/2017 +8 days 🔍
02/09/2017 +1 days 🔍
02/09/2017 +0 days 🔍
02/10/2017 +1 days 🔍
04/12/2017 +61 days 🔍
04/12/2017 +0 days 🔍
04/13/2017 +1 days 🔍
08/25/2024 +2691 days 🔍

Sourcesinfo

Vendor: openstack.org
Product: github.com

Advisory: USN-3195-1
Researcher: James Page
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-5936 (🔍)
GCVE (CVE): GCVE-0-2017-5936
GCVE (VulDB): GCVE-100-99737
SecurityFocus: 96182 - OpenStack Nova-LXD CVE-2017-5936 Security Bypass Vulnerability
OSVDB: - CVE-2017-5936 - OpenStack - Nova-LXD - Security Bypass Issue

Entryinfo

Created: 04/13/2017 12:07
Updated: 08/25/2024 18:09
Changes: 04/13/2017 12:07 (70), 08/29/2020 21:43 (9), 11/29/2022 08:17 (5), 08/25/2024 18:09 (16)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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