CVE-2019-10876

An issue was discovered in OpenStack Neutron 11.x before 11.0.7, 12.x before 12.0.6, and 13.x before 13.0.3. By creating two security groups with separate/overlapping port ranges, an authenticated user may prevent Neutron from being able to configure networks on any compute nodes where those security groups are present, because of an Open vSwitch (OVS) firewall KeyError. All Neutron deployments utilizing neutron-openvswitch-agent are affected.

CVSS v3.0 6.5 MEDIUM
CVSS v2.0 4.0 MEDIUM

6.5^/10

CVSS v3.0 : MEDIUM

Vector : AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

4.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:S/C:P/I:N/A:N

Exploitability : 8.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

References

Link	Resource
https://review.openstack.org/#/q/topic:bug/1813007	Vendor Advisory
https://bugs.launchpad.net/ossa/+bug/1813007	Issue Tracking Third Party Advisory
https://security.openstack.org/ossa/OSSA-2019-002.html	Third Party Advisory
http://www.openwall.com/lists/oss-security/2019/04/09/2	Mailing List Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:0935	Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:0879	Third Party Advisory

Advertisement

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:openstack:neutron::::::::
	cpe:2.3:a:openstack:neutron::::::::
	cpe:2.3:a:openstack:neutron::::::::

Configuration 2 (hide)

OR	cpe:2.3:a:redhat:openstack:13:::::::*
	cpe:2.3:a:redhat:openstack:14:::::::*

Information

Published : 2019-04-04 22:29

Updated : 2021-08-04 10:15

NVD link : CVE-2019-10876

Mitre link : CVE-2019-10876

JSON object : View

CWE

NVD-CWE-noinfo

Advertisement

Products Affected

openstack

neutron

redhat

openstack

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://review.openstack.org/#/q/topic:bug/1813007", "name": "https://review.openstack.org/#/q/topic:bug/1813007", "tags": ["Vendor Advisory"], "refsource": "MISC"}, {"url": "https://bugs.launchpad.net/ossa/+bug/1813007", "name": "https://bugs.launchpad.net/ossa/+bug/1813007", "tags": ["Issue Tracking", "Third Party Advisory"], "refsource": "MISC"}, {"url": "https://security.openstack.org/ossa/OSSA-2019-002.html", "name": "https://security.openstack.org/ossa/OSSA-2019-002.html", "tags": ["Third Party Advisory"], "refsource": "CONFIRM"}, {"url": "http://www.openwall.com/lists/oss-security/2019/04/09/2", "name": "[oss-security] 20190409 [OSSA-2019-002] neutron-openvswitch-agent: Unable to install new flows on compute nodes when having broken security group rules (CVE-2019-10876)", "tags": ["Mailing List", "Third Party Advisory"], "refsource": "MLIST"}, {"url": "https://access.redhat.com/errata/RHSA-2019:0935", "name": "RHSA-2019:0935", "tags": ["Third Party Advisory"], "refsource": "REDHAT"}, {"url": "https://access.redhat.com/errata/RHSA-2019:0879", "name": "RHSA-2019:0879", "tags": ["Third Party Advisory"], "refsource": "REDHAT"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "An issue was discovered in OpenStack Neutron 11.x before 11.0.7, 12.x before 12.0.6, and 13.x before 13.0.3. By creating two security groups with separate/overlapping port ranges, an authenticated user may prevent Neutron from being able to configure networks on any compute nodes where those security groups are present, because of an Open vSwitch (OVS) firewall KeyError. All Neutron deployments utilizing neutron-openvswitch-agent are affected."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2019-10876", "ASSIGNER": "cve@mitre.org"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 4.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:S/C:P/I:N/A:N", "authentication": "SINGLE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "NONE", "confidentialityImpact": "PARTIAL"}, "severity": "MEDIUM", "acInsufInfo": false, "impactScore": 2.9, "obtainAllPrivilege": false, "exploitabilityScore": 8.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "baseMetricV3": {"cvssV3": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 6.5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 3.6, "exploitabilityScore": 2.8}}, "publishedDate": "2019-04-05T05:29Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:openstack:neutron:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "12.0.6", "versionStartIncluding": "12.0.0"}, {"cpe23Uri": "cpe:2.3:a:openstack:neutron:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "11.0.7", "versionStartIncluding": "11.0.0"}, {"cpe23Uri": "cpe:2.3:a:openstack:neutron:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "13.0.3", "versionStartIncluding": "13.0.0"}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:redhat:openstack:13:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:redhat:openstack:14:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2021-08-04T17:15Z"}