CVE-2014-8750 : Race condition in the VMware driver in OpenStack Compute (Nova) before 2014.1.4 and 2014.2 before 2014.2rc1 allows remot

Race condition in the VMware driver in OpenStack Compute (Nova) before 2014.1.4 and 2014.2 before 2014.2rc1 allows remote authenticated users to access unintended consoles by spawning an instance that triggers the same VNC port to be allocated to two different instances.

Published 2014-10-15 14:55:10

Updated 2018-11-16 15:06:17

Source MITRE

View at NVD, CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2014-8750

EPSS FAQ

0.61%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 79 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2014-8750

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source	First Seen
6.5	MEDIUM	AV:N/AC:L/Au:S/C:P/I:P/A:P	8.0	6.4	NIST
Access Vector: Network Access Complexity: Low Authentication: Single Confidentiality Impact: Partial Integrity Impact: Partial Availability Impact: Partial

CWE ids for CVE-2014-8750

CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

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.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2014-8750

http://lists.openstack.org/pipermail/openstack-announce/2014-October/000293.html

OpenStack Open Source Cloud Computing Software » Message: [openstack-announce] [OSSA 2014-035] Nova VMware driver may connect VNC to another tenant's console (CVE-2014-8750)
Vendor Advisory
http://rhn.redhat.com/errata/RHSA-2014-1781.html

RHSA-2014:1781 - Security Advisory - Red Hat Customer Portal
Third Party Advisory

CVEs referencing this url
http://www.openwall.com/lists/oss-security/2014/10/14/9

oss-security - [OSSA 2014-035] Nova VMware driver may connect VNC to another tenant's console (CVE-2014-8750)
Mailing List;Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2014-1689.html

RHSA-2014:1689 - Security Advisory - Red Hat Customer Portal
Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2014-1782.html

RHSA-2014:1782 - Security Advisory - Red Hat Customer Portal
Third Party Advisory

CVEs referencing this url
https://bugs.launchpad.net/nova/+bug/1357372

Bug #1357372 “[oss-security] [OSSA 2014-035] Nova VMware driver ...” : Bugs : OpenStack Compute (nova)
Third Party Advisory
http://www.securityfocus.com/bid/70182

OpenStack Nova VMware driver 'get_vnc_port()' Function Race Condition Vulnerability
Third Party Advisory;VDB Entry

Products affected by CVE-2014-8750

Openstack » Nova
Versions from including (>=) 2014.1 and before (<) 2014.1.4
cpe:2.3:a:openstack:nova:*:*:*:*:*:*:*:*
Matching versions
Openstack » Nova » Version: 2014.2 Update Milestone2
cpe:2.3:a:openstack:nova:2014.2:milestone2:*:*:*:*:*:*
Matching versions
Openstack » Nova » Version: 2014.2 Update Milestone1
cpe:2.3:a:openstack:nova:2014.2:milestone1:*:*:*:*:*:*
Matching versions
Openstack » Nova » Version: 2014.2 Update Milestone3
cpe:2.3:a:openstack:nova:2014.2:milestone3:*:*:*:*:*:*
Matching versions

Vulnerability Details : CVE-2014-8750

Exploit prediction scoring system (EPSS) score for CVE-2014-8750

CVSS scores for CVE-2014-8750

CWE ids for CVE-2014-8750

References for CVE-2014-8750

Products affected by CVE-2014-8750