CVE-2015-2687: Nova OpenStack Compute (Nova) Improper Access Vulnerability

MODERATE
Advisory Identifier: GHSA-97fv-22hc-mrgj
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CVSS 4.7
CWE-284
Published
Advisory Summary

CVE-2015-2687 is a MODERATE (CVSS 4.7) openstack compute (nova) improper access vulnerability (CWE-284: Improper Access Control) affecting Nova libraries in the PyPI ecosystem. The issue involves openstack compute (nova) improper access control. Remediation is available by upgrading affected packages to version 15.0.0.0b1.

CVE-2015-2687 at a Glance

CVE Identifier CVE-2015-2687
GHSA Identifier GHSA-97fv-22hc-mrgj
Severity MODERATE
CVSS v3.1 Base Score 4.7
CWE Classification CWE-284: Improper Access Control
Affected Product Nova
Package Ecosystem PyPI
Published Date
Last Updated

Security Impact

CVSS: 4.7

The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N).

Attack Vector Local (AV:L)
Attack Complexity High (AC:H)
Privileges Required Low (PR:L)
User Interaction None (UI:N)
Scope Unchanged (S:U)
Confidentiality High (C:H)
Integrity None (I:N)
Availability None (A:N)

How to Fix CVE-2015-2687

To remediate this vulnerability, upgrade all affected Nova dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.

nova fixed: 15.0.0.0b1 
pip install nova>=15.0.0.0b1
Verify Direct and Transitive Dependencies

Run the following command in your project directory to verify that all resolved dependencies use the patched release: 

pip show nova

How to Check if You Are Affected

To determine whether your Python environment is affected by CVE-2015-2687, inspect your installed packages using pip:

pip show nova

Analyze the terminal output to locate any version of Nova in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 15.0.0.0b1), your application is affected.

Note: The pip show nova command checks currently installed packages in your active Python environment.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under CWE-284: Improper Access Control, where the product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. In Nova, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.

Source Advisory Statement

OpenStack Compute (nova) Icehouse, Juno and Havana when live migration fails allows local users to access VM volumes that they would normally not have permissions for.

CVE-2015-2687 Affected Nova Versions

1 component(s)
Fixed Versions:
15.0.0.0b1
Product / Package Ecosystem Affected Versions Fixed Version
nova
pypi/nova
PyPI
< 15.0.0.0b1
15.0.0.0b1

References

NVD — CVE-2015-2687 NVD
https://nvd.nist.gov/vuln/detail/CVE-2015-2687
Security Fix Commit FIX COMMIT
https://github.com/openstack/nova/commit/b83cae02ece4c338e09c3606c6ae69b715bd6f8c
bugs.launchpad.net/nova/+bug/1419577 WEB
https://bugs.launchpad.net/nova/+bug/1419577
bugzilla.redhat.com/show_bug.cgi WEB
https://bugzilla.redhat.com/show_bug.cgi?id=1205313
Nova Source Repository REPOSITORY
https://github.com/openstack/nova
Nova Source Repository REPOSITORY
https://github.com/pypa/advisory-database/tree/main/vulns/nova/PYSEC-2017-145.yaml
review.openstack.org/ WEB
https://review.openstack.org/#/c/338929
Nova Security Information SECURITY
http://www.openwall.com/lists/oss-security/2015/03/24/10
Nova Security Information SECURITY
http://www.openwall.com/lists/oss-security/2015/03/25/3

Frequently Asked Questions

What is CVE-2015-2687?
CVE-2015-2687 is a security vulnerability in Nova involving OpenStack Compute (Nova) Improper Access Control under CWE-284: Improper Access Control.
Which Nova versions are affected?
Affected versions include releases prior to 15.0.0.0b1 across affected packages: nova.
What version fixes CVE-2015-2687?
Upgrading to 15.0.0.0b1 (or the latest patched release for your respective branch) resolves the vulnerability.
Is nova affected?
Yes, nova is affected in releases prior to 15.0.0.0b1. Upgrade your dependency to 15.0.0.0b1 or later.
What is the CVSS score of CVE-2015-2687?
CVE-2015-2687 has a CVSS v3.1 base score of 4.7 (MODERATE) with vector string CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N.
What CWE is associated with CVE-2015-2687?
CVE-2015-2687 is classified under CWE-284: Improper Access Control (The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.).
How can I check PyPI dependencies for CVE-2015-2687?
Run the dependency tree command: 'pip show nova'. This command lists direct and transitive dependencies in your build configuration so you can verify if a vulnerable version is resolved.
Machine-readable OSV JSON OSV v1.5 Schema
Normalized schema output
View Raw JSON 
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-97fv-22hc-mrgj",
  "modified" : "2024-11-26T18:21:48Z",
  "published" : "2022-05-17T01:57:43Z",
  "aliases" : [ "CVE-2015-2687" ],
  "summary" : "OpenStack Compute (Nova) Improper Access Control ",
  "details" : "OpenStack Compute (nova) Icehouse, Juno and Havana when live migration fails allows local users to access VM volumes that they would normally not have permissions for.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N"
  }, {
    "type" : "CVSS_V4",
    "score" : "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "PyPI",
      "name" : "nova"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "15.0.0.0b1"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2015-2687"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/openstack/nova/commit/b83cae02ece4c338e09c3606c6ae69b715bd6f8c"
  }, {
    "type" : "WEB",
    "url" : "https://bugs.launchpad.net/nova/+bug/1419577"
  }, {
    "type" : "WEB",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=1205313"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/openstack/nova"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/pypa/advisory-database/tree/main/vulns/nova/PYSEC-2017-145.yaml"
  }, {
    "type" : "WEB",
    "url" : "https://review.openstack.org/#/c/338929"
  }, {
    "type" : "WEB",
    "url" : "http://www.openwall.com/lists/oss-security/2015/03/24/10"
  }, {
    "type" : "WEB",
    "url" : "http://www.openwall.com/lists/oss-security/2015/03/25/3"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-284" ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2024-05-14T20:54:30Z",
    "nvd_published_at" : "2017-08-09T18:29:00Z"
  }
}