CVE-2017-7543
OpenStack Neutron Security Group Disabling Race Condition
Description
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.
INFO
Published Date :
July 26, 2018, 2:29 p.m.
Last Modified :
Feb. 12, 2023, 11:30 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
2.2
Affected Products
The following products are affected by CVE-2017-7543
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2017-7543.
| URL | Resource |
|---|---|
| http://www.securityfocus.com/bid/100237 | Third Party Advisory VDB Entry |
| https://access.redhat.com/errata/RHSA-2017:2447 | Third Party Advisory |
| https://access.redhat.com/errata/RHSA-2017:2448 | Third Party Advisory |
| https://access.redhat.com/errata/RHSA-2017:2449 | Third Party Advisory |
| https://access.redhat.com/errata/RHSA-2017:2450 | Third Party Advisory |
| https://access.redhat.com/errata/RHSA-2017:2451 | Third Party Advisory |
| https://access.redhat.com/errata/RHSA-2017:2452 | Third Party Advisory |
| https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-7543 | Mitigation Issue Tracking Third Party Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2017-7543 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2017-7543 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Feb. 12, 2023
Action Type Old Value New Value Changed Description A race-condition flaw was discovered in openstack-neutron 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. 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. Removed Reference https://access.redhat.com/security/cve/CVE-2017-7543 [No Types Assigned] Removed Reference https://bugzilla.redhat.com/show_bug.cgi?id=1473792 [No Types Assigned] Added CWE Red Hat, Inc. CWE-362 -
CVE Modified by [email protected]
Feb. 02, 2023
Action Type Old Value New Value Changed Description 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. A race-condition flaw was discovered in openstack-neutron 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. Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=1473792 [No Types Assigned] Added Reference https://access.redhat.com/security/cve/CVE-2017-7543 [No Types Assigned] Removed CWE Red Hat, Inc. CWE-362 -
CPE Deprecation Remap by [email protected]
Aug. 04, 2021
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:redhat:openstack:9.0:*:*:*:*:*:*:* OR *cpe:2.3:a:redhat:openstack:9:*:*:*:*:*:*:* -
CPE Deprecation Remap by [email protected]
Aug. 04, 2021
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:redhat:openstack:10.0:*:*:*:*:*:*:* OR *cpe:2.3:a:redhat:openstack:10:*:*:*:*:*:*:* -
CPE Deprecation Remap by [email protected]
Aug. 04, 2021
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:redhat:openstack:11.0:*:*:*:*:*:*:* OR *cpe:2.3:a:redhat:openstack:11:*:*:*:*:*:*:* -
CPE Deprecation Remap by [email protected]
Aug. 04, 2021
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:redhat:openstack:8.0:*:*:*:*:*:*:* OR *cpe:2.3:a:redhat:openstack:8:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Oct. 09, 2019
Action Type Old Value New Value Added CVSS V3 Red Hat, Inc. AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N Added CWE Red Hat, Inc. CWE-362 -
Reanalysis by [email protected]
Oct. 26, 2018
Action Type Old Value New Value Changed CPE Configuration OR *cpe:2.3:a:openstack:neutron:*:*:*:*:*:*:*:* versions up to (excluding) 7.2.0-12.1 *cpe:2.3:a:openstack:neutron:*:*:*:*:*:*:*:* versions from (including) 8.0 up to (excluding) 8.3.0-11.1 *cpe:2.3:a:openstack:neutron:*:*:*:*:*:*:*:* versions from (including) 9.0 up to (excluding) 9.3.1-2.1 *cpe:2.3:a:openstack:neutron:*:*:*:*:*:*:*:* versions from (including) 10.0 up to (excluding) 10.0.2-1.1 OR *cpe:2.3:a:openstack:neutron:*:*:*:*:*:*:*:* versions from (including) 7.0.0 up to (excluding) 7.2.0-12.1 *cpe:2.3:a:openstack:neutron:*:*:*:*:*:*:*:* versions from (including) 8.0.0 up to (excluding) 8.3.0-11.1 *cpe:2.3:a:openstack:neutron:*:*:*:*:*:*:*:* versions from (including) 9.0.0 up to (excluding) 9.3.1-2.1 *cpe:2.3:a:openstack:neutron:*:*:*:*:*:*:*:* versions from (including) 10.0.0 up to (excluding) 10.0.2-1.1 -
Initial Analysis by [email protected]
Oct. 01, 2018
Action Type Old Value New Value Added CVSS V2 (AV:N/AC:M/Au:N/C:P/I:N/A:N) Added CVSS V3 AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N Changed Reference Type https://access.redhat.com/errata/RHSA-2017:2447 No Types Assigned https://access.redhat.com/errata/RHSA-2017:2447 Third Party Advisory Changed Reference Type https://access.redhat.com/errata/RHSA-2017:2449 No Types Assigned https://access.redhat.com/errata/RHSA-2017:2449 Third Party Advisory Changed Reference Type http://www.securityfocus.com/bid/100237 No Types Assigned http://www.securityfocus.com/bid/100237 Third Party Advisory, VDB Entry Changed Reference Type https://access.redhat.com/errata/RHSA-2017:2448 No Types Assigned https://access.redhat.com/errata/RHSA-2017:2448 Third Party Advisory Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-7543 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2017-7543 Issue Tracking, Mitigation, Third Party Advisory Changed Reference Type https://access.redhat.com/errata/RHSA-2017:2450 No Types Assigned https://access.redhat.com/errata/RHSA-2017:2450 Third Party Advisory Changed Reference Type https://access.redhat.com/errata/RHSA-2017:2452 No Types Assigned https://access.redhat.com/errata/RHSA-2017:2452 Third Party Advisory Changed Reference Type https://access.redhat.com/errata/RHSA-2017:2451 No Types Assigned https://access.redhat.com/errata/RHSA-2017:2451 Third Party Advisory Added CWE CWE-362 Added CPE Configuration OR *cpe:2.3:a:openstack:neutron:*:*:*:*:*:*:*:* versions up to (excluding) 7.2.0-12.1 *cpe:2.3:a:openstack:neutron:*:*:*:*:*:*:*:* versions from (including) 8.0 up to (excluding) 8.3.0-11.1 *cpe:2.3:a:openstack:neutron:*:*:*:*:*:*:*:* versions from (including) 9.0 up to (excluding) 9.3.1-2.1 *cpe:2.3:a:openstack:neutron:*:*:*:*:*:*:*:* versions from (including) 10.0 up to (excluding) 10.0.2-1.1 Added CPE Configuration AND OR *cpe:2.3:a:redhat:openstack:6.0:*:*:*:*:*:*:* OR cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* Added CPE Configuration AND OR *cpe:2.3:a:redhat:openstack:7.0:*:*:*:*:*:*:* OR cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* Added CPE Configuration OR *cpe:2.3:a:redhat:openstack:8.0:*:*:*:*:*:*:* *cpe:2.3:a:redhat:openstack:9.0:*:*:*:*:*:*:* *cpe:2.3:a:redhat:openstack:10.0:*:*:*:*:*:*:* *cpe:2.3:a:redhat:openstack:11.0:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Jul. 28, 2018
Action Type Old Value New Value Added Reference https://access.redhat.com/errata/RHSA-2017:2452 [No Types Assigned] Added Reference https://access.redhat.com/errata/RHSA-2017:2451 [No Types Assigned] Added Reference https://access.redhat.com/errata/RHSA-2017:2450 [No Types Assigned] Added Reference https://access.redhat.com/errata/RHSA-2017:2449 [No Types Assigned] Added Reference https://access.redhat.com/errata/RHSA-2017:2448 [No Types Assigned] Added Reference https://access.redhat.com/errata/RHSA-2017:2447 [No Types Assigned] Added Reference http://www.securityfocus.com/bid/100237 [No Types Assigned]
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2017-7543 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2017-7543
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.31 }} -0.13%
score
0.70027
percentile