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githubGitHub Advisory DatabaseGHSA-HVXR-2FVV-C3WQ
HistoryMay 13, 2022 - 1:07 a.m.

OpenStack Neutron Race Condition vulnerability

2022-05-1301:07:31
CWE-362
GitHub Advisory Database
github.com
5
openstack
neutron
race condition
vulnerability
overcloud update
security groups
net.bridge.bridge-nf-call-ip6tables
net.bridge.bridge-nf-call-iptables
attacker
tenant vms

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:M/Au:N/C:P/I:N/A:N

CVSS3

5.9

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS

0.003

Percentile

70.3%

JSON

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.

Affected configurations

Vulners
Node
openstackneutronRange10.0.0–10.0.2-1.1
OR
openstackneutronRange9.0.0–9.3.1-2.1
OR
openstackneutronRange8.0.0–8.3.0-11.1
OR
openstackneutronRange<7.2.0-12.1
VendorProductVersionCPE
openstackneutron*cpe:2.3:a:openstack:neutron:*:*:*:*:*:*:*:*

Related

redhat 6
cve 1
osv 1
cvelist 1
ubuntucve 1
prion 1
redhatcve 1
ibm 1
veracode 1
nvd 1
debiancve 1
redhat
redhat
(RHSA-2017:2451) Important: openstack-neutron security update
2017-08-08 22:11:21
(RHSA-2017:2448) Important: openstack-neutron security update
2017-08-08 22:10:35
(RHSA-2017:2452) Important: openstack-neutron security update
2017-08-08 22:38:51
cve
cve
CVE-2017-7543
2018-07-26 14:29:00
osv
osv
OpenStack Neutron Race Condition vulnerability
2022-05-13 01:07:31
cvelist
cvelist
CVE-2017-7543
2018-07-26 14:00:00
ubuntucve
ubuntucve
CVE-2017-7543
2018-07-26 00:00:00
prion
prion
Race condition
2018-07-26 14:29:00
redhatcve
redhatcve
CVE-2017-7543
2021-03-20 20:50:25
ibm
ibm
Security Bulletin: IBM Cloud Manager with OpenStack is affected by a vulnerability found in OpenStack Neutron (CVE-2017-7543)
2018-12-12 09:40:02
veracode
veracode
Information Disclosure
2019-01-15 09:18:15
nvd
nvd
CVE-2017-7543
2018-07-26 14:29:00
debiancve
debiancve
CVE-2017-7543
2018-07-26 14:29:00

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:M/Au:N/C:P/I:N/A:N

CVSS3

5.9

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS

0.003

Percentile

70.3%

JSON
Related for GHSA-HVXR-2FVV-C3WQ
redhat6cve1osv1cvelist1ubuntucve1prion1redhatcve1ibm1veracode1nvd1debiancve1