CVE-2012-4457: Keystone OpenStack Keystone Token Authorization For Vulnerability

MODERATE
Advisory Identifier: GHSA-x8h4-xf47-pqc3
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CWE-287
Published
Advisory Summary

CVE-2012-4457 is a MODERATE openstack keystone token authorization for vulnerability (CWE-287: Improper Authentication) affecting Keystone libraries in the PyPI ecosystem. The issue involves openstack keystone token authorization for a user in a disabled tenant is allowed. Remediation is available by upgrading affected packages to version 8.0.0a0.

CVE-2012-4457 at a Glance

CVE Identifier CVE-2012-4457
GHSA Identifier GHSA-x8h4-xf47-pqc3
Severity MODERATE
CVSS v3.1 Base Score N/A
CWE Classification CWE-287: Improper Authentication
Affected Product Keystone
Package Ecosystem PyPI
Published Date
Last Updated

How to Fix CVE-2012-4457

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

Keystone fixed: 8.0.0a0 
pip install Keystone>=8.0.0a0
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 Keystone

How to Check if You Are Affected

To determine whether your Python environment is affected by CVE-2012-4457, inspect your installed packages using pip:

pip show Keystone

Analyze the terminal output to locate any version of Keystone in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 8.0.0a0), your application is affected.

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

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under CWE-287: Improper Authentication, where when an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. In Keystone, 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 Keystone Essex before 2012.1.2 and Folsom before folsom-3 does not properly handle authorization tokens for disabled tenants, which allows remote authenticated users to access the tenant's resources by requesting a token for the tenant.

CVE-2012-4457 Affected Keystone Versions

1 component(s)
Fixed Versions:
8.0.0a0
Product / Package Ecosystem Affected Versions Fixed Version
Keystone
pypi/Keystone
PyPI
< 8.0.0a0
8.0.0a0

References

NVD — CVE-2012-4457 NVD
https://nvd.nist.gov/vuln/detail/CVE-2012-4457
Security Fix Commit FIX COMMIT
https://github.com/openstack/keystone/commit/4ebfdfaf23c6da8e3c182bf3ec2cb2b7132ef685
Security Fix Commit FIX COMMIT
https://github.com/openstack/keystone/commit/5373601bbdda10f879c08af1698852142b75f8d5
bugzilla.redhat.com/show_bug.cgi WEB
https://bugzilla.redhat.com/show_bug.cgi?id=861180
exchange.xforce.ibmcloud.com/vulnerabilities/789... WEB
https://exchange.xforce.ibmcloud.com/vulnerabilities/78947
Keystone Source Repository REPOSITORY
https://github.com/openstack/keystone
lists.launchpad.net/openstack/msg17035.... WEB
https://lists.launchpad.net/openstack/msg17035.html
secunia.com/advisories/50665 WEB
http://secunia.com/advisories/50665
Keystone Security Information SECURITY
http://www.openwall.com/lists/oss-security/2012/09/28/6
Keystone Security Information SECURITY
http://www.securityfocus.com/bid/55716

Frequently Asked Questions

What is CVE-2012-4457?
CVE-2012-4457 is a security vulnerability in Keystone involving OpenStack Keystone Token authorization for a user in a disabled tenant is allowed under CWE-287: Improper Authentication.
Which Keystone versions are affected?
Affected versions include releases prior to 8.0.0a0 across affected packages: Keystone.
What version fixes CVE-2012-4457?
Upgrading to 8.0.0a0 (or the latest patched release for your respective branch) resolves the vulnerability.
Is Keystone affected?
Yes, Keystone is affected in releases prior to 8.0.0a0. Upgrade your dependency to 8.0.0a0 or later.
What CWE is associated with CVE-2012-4457?
CVE-2012-4457 is classified under CWE-287: Improper Authentication (When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.).
How can I check PyPI dependencies for CVE-2012-4457?
Run the dependency tree command: 'pip show Keystone'. 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-x8h4-xf47-pqc3",
  "modified" : "2024-01-12T20:20:44Z",
  "published" : "2022-05-14T01:58:49Z",
  "aliases" : [ "CVE-2012-4457" ],
  "summary" : "OpenStack Keystone Token authorization for a user in a disabled tenant is allowed",
  "details" : "OpenStack Keystone Essex before 2012.1.2 and Folsom before folsom-3 does not properly handle authorization tokens for disabled tenants, which allows remote authenticated users to access the tenant's resources by requesting a token for the tenant.",
  "severity" : [ ],
  "affected" : [ {
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      "ecosystem" : "PyPI",
      "name" : "Keystone"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "8.0.0a0"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2012-4457"
  }, {
    "type" : "WEB",
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  }, {
    "type" : "WEB",
    "url" : "https://github.com/openstack/keystone/commit/5373601bbdda10f879c08af1698852142b75f8d5"
  }, {
    "type" : "WEB",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=861180"
  }, {
    "type" : "WEB",
    "url" : "https://exchange.xforce.ibmcloud.com/vulnerabilities/78947"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/openstack/keystone"
  }, {
    "type" : "WEB",
    "url" : "https://lists.launchpad.net/openstack/msg17035.html"
  }, {
    "type" : "WEB",
    "url" : "http://secunia.com/advisories/50665"
  }, {
    "type" : "WEB",
    "url" : "http://www.openwall.com/lists/oss-security/2012/09/28/6"
  }, {
    "type" : "WEB",
    "url" : "http://www.securityfocus.com/bid/55716"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-287" ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2024-01-12T20:20:44Z",
    "nvd_published_at" : "2012-10-09T15:55:00Z"
  }
}