CVE-2015-7713

openstack-nova: network security group changes are not applied to running instances

Severity Score

5.0

*CVSS v2

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

OpenStack Compute (Nova) before 2014.2.4 (juno) and 2015.1.x before 2015.1.2 (kilo) do not properly apply security group changes, which allows remote attackers to bypass intended restriction by leveraging an instance that was running when the change was made.

OpenStack Compute (Nova) en versiones anteriores a 2014.2.4 (juno) y 2015.1.x en versiones anteriores a 2015.1.2 (kilo) no aplica correctamente los cambios de grupos de seguridad, lo que permite a atacantes remotos eludir las restricciones previstas mediante el aprovechamiento de una instancia que se estaba ejecutando cuando se hizo el cambio.

A vulnerability was discovered in the way OpenStack Compute (nova) networking handled security group updates; changes were not applied to already running VM instances. A remote attacker could use this flaw to access running VM instances.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

Partial

Availability

None

Attack Vector

Network

Attack Complexity

Low

Authentication

Single

Confidentiality

Partial

Integrity

Partial

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2015-10-06 CVE Reserved
2015-10-29 CVE Published
2023-03-07 EPSS Updated
2024-08-06 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-254: 7PK - Security Features
CWE-285: Improper Authorization

CAPEC

References (8)

URL	Tag	Source
http://www.securityfocus.com/bid/76960	Third Party Advisory
https://bugs.launchpad.net/nova/+bug/1491307	Third Party Advisory
https://bugs.launchpad.net/nova/+bug/1492961	Third Party Advisory

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
http://rhn.redhat.com/errata/RHSA-2015-2684.html	2023-02-13
https://access.redhat.com/errata/RHSA-2015:2673	2023-02-13
https://security.openstack.org/ossa/OSSA-2015-021.html	2023-02-13
https://access.redhat.com/security/cve/CVE-2015-7713	2016-01-10
https://bugzilla.redhat.com/show_bug.cgi?id=1269119	2016-01-10

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Openstack Search vendor "Openstack"		Nova Search vendor "Openstack" for product "Nova"				>= 2014.2 < 2014.2.4 Search vendor "Openstack" for product "Nova" and version " >= 2014.2 < 2014.2.4"		-		Affected
Openstack Search vendor "Openstack"		Nova Search vendor "Openstack" for product "Nova"				>= 2015.1.0 < 2015.1.2 Search vendor "Openstack" for product "Nova" and version " >= 2015.1.0 < 2015.1.2"		-		Affected