openstack-neutron up to 7.2.0-12.0/8.3.0-11.0/9.3.1-2.0/10.0.2-1.0 Security Group race condition

CVSS Meta Temp Score
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CTI Interest Score
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5.6$0-$5k0.00

Summaryinfo

A vulnerability was found in openstack-neutron up to 7.2.0-12.0/8.3.0-11.0/9.3.1-2.0/10.0.2-1.0 and classified as problematic. Affected by this vulnerability is an unknown functionality of the component Security Group Handler. Such manipulation leads to race condition. This vulnerability is referenced as CVE-2017-7543. It is possible to launch the attack remotely. No exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in openstack-neutron up to 7.2.0-12.0/8.3.0-11.0/9.3.1-2.0/10.0.2-1.0 (Cloud Software). It has been rated as problematic. Affected by this issue is an unknown code of the component Security Group Handler. The manipulation with an unknown input leads to a race condition vulnerability. Using CWE to declare the problem leads to CWE-362. The product contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently. Impacted is confidentiality. CVE summarizes:

A race-condition flaw was discovered in openstack-neutron before 7.2.0-12.1, 8.x before 8.3.0-11.1, 9.x before 9.3.1-2.1, and 10.x before 10.0.2-1.1, where, following a minor overcloud update, neutron security groups were disabled. Specifically, the following were reset to 0: net.bridge.bridge-nf-call-ip6tables and net.bridge.bridge-nf-call-iptables. The race was only triggered by an update, at which point an attacker could access exposed tenant VMs and network resources.

The bug was discovered 07/27/2018. The weakness was published 07/26/2018 by Paul with Red Hat as not defined bug report (Bugzilla). The advisory is available at bugzilla.redhat.com. This vulnerability is handled as CVE-2017-7543 since 04/05/2017. The attack may be launched remotely. No form of authentication is required for exploitation. The technical details are unknown and an exploit is not available.

The vulnerability scanner Nessus provides a plugin with the ID 210276 (RHEL 7 : openstack-neutron (RHSA-2017:2452)), which helps to determine the existence of the flaw in a target environment. The commercial vulnerability scanner Qualys is able to test this issue with plugin 236465 (Red Hat Update for openstack-neutron (RHSA-2017:2449)).

Upgrading to version 7.2.0-12.1, 8.3.0-11.1, 9.3.1-2.1 or 10.0.2-1.1 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (210276) and SecurityFocus (BID 100237†). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.7
VulDB Meta Temp Score: 5.6

VulDB Base Score: 5.9
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.9
NVD Vector: 🔍

CNA Base Score: 5.3
CNA Vector (Red Hat, Inc.): 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Race condition
CWE: CWE-362
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: 210276
Nessus Name: RHEL 7 : openstack-neutron (RHSA-2017:2452)

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: openstack-neutron 7.2.0-12.1/8.3.0-11.1/9.3.1-2.1/10.0.2-1.1

Timelineinfo

04/05/2017 🔍
08/08/2017 +125 days 🔍
07/26/2018 +351 days 🔍
07/26/2018 +0 days 🔍
07/26/2018 +0 days 🔍
07/27/2018 +1 days 🔍
11/10/2024 +2298 days 🔍

Sourcesinfo

Advisory: RHSA-2017:2447
Researcher: Paul
Organization: Red Hat
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-7543 (🔍)
GCVE (CVE): GCVE-0-2017-7543
GCVE (VulDB): GCVE-100-122210
SecurityFocus: 100237 - OpenStack Neutron CVE-2017-7543 Information Disclosure Vulnerability

Entryinfo

Created: 07/26/2018 20:12
Updated: 11/10/2024 08:56
Changes: 07/26/2018 20:12 (62), 03/10/2020 13:29 (6), 04/25/2023 19:46 (4), 04/25/2023 19:53 (12), 11/10/2024 08:56 (18)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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