CVE-2023-1636: Barbican OpenStack Barbican Information Disclosure Vulnerability Vulnerability

MODERATE
Advisory Identifier: GHSA-6rx9-c2rh-3qv4
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CVSS 6.0
Published
Advisory Summary

CVE-2023-1636 is a MODERATE (CVSS 6.0) openstack barbican information disclosure vulnerability vulnerability (General Security Weakness) affecting Barbican libraries in the PyPI ecosystem. The issue involves openstack barbican information disclosure vulnerability. Remediation is available in the latest vendor maintenance releases.

CVE-2023-1636 at a Glance

CVE Identifier CVE-2023-1636
GHSA Identifier GHSA-6rx9-c2rh-3qv4
Severity MODERATE
CVSS v3.1 Base Score 6.0
CWE Classification General Security Weakness
Affected Product Barbican
Package Ecosystem PyPI
Published Date
Last Updated

Security Impact

CVSS: 6.0

The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:L).

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

How to Fix CVE-2023-1636

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

barbican fixed: Latest secure release 
pip install barbican>=Latest secure release
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 barbican

How to Check if You Are Affected

To determine whether your Python environment is affected by CVE-2023-1636, inspect your installed packages using pip:

pip show barbican

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

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

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under General Security Weakness. In Barbican, 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

A vulnerability was found in OpenStack Barbican containers. This vulnerability is only applicable to deployments that utilize an all-in-one configuration. Barbican containers share the same CGROUP, USER, and NET namespace with the host system and other OpenStack services. If any service is compromised, it could gain access to the data transmitted to and from Barbican.

CVE-2023-1636 Affected Barbican Versions

1 component(s)
Product / Package Ecosystem Affected Versions Fixed Version
barbican
pypi/barbican
PyPI
≤ 16.0.0

References

NVD — CVE-2023-1636 NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-1636
Barbican Security Information SECURITY
https://access.redhat.com/security/cve/CVE-2023-1636
bugzilla.redhat.com/show_bug.cgi WEB
https://bugzilla.redhat.com/show_bug.cgi?id=2181765
Barbican Source Repository REPOSITORY
https://github.com/openstack/barbican

Frequently Asked Questions

What is CVE-2023-1636?
CVE-2023-1636 is a security vulnerability in Barbican involving OpenStack Barbican information disclosure vulnerability under General Security Weakness.
Which Barbican versions are affected?
Affected versions include releases prior to current release patches across affected packages: barbican.
What version fixes CVE-2023-1636?
Upgrading to current release patches (or the latest patched release for your respective branch) resolves the vulnerability.
Is barbican affected?
Yes, barbican is affected in releases prior to Latest secure release. Upgrade your dependency to Latest secure release or later.
What is the CVSS score of CVE-2023-1636?
CVE-2023-1636 has a CVSS v3.1 base score of 6.0 (MODERATE) with vector string CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:L.
What CWE is associated with CVE-2023-1636?
CVE-2023-1636 is classified under General Security Weakness.
How can I check PyPI dependencies for CVE-2023-1636?
Run the dependency tree command: 'pip show barbican'. 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-6rx9-c2rh-3qv4",
  "modified" : "2023-09-25T18:34:33Z",
  "published" : "2023-09-24T03:30:20Z",
  "aliases" : [ "CVE-2023-1636" ],
  "summary" : "OpenStack Barbican information disclosure vulnerability",
  "details" : "A vulnerability was found in OpenStack Barbican containers. This vulnerability is only applicable to deployments that utilize an all-in-one configuration. Barbican containers share the same CGROUP, USER, and NET namespace with the host system and other OpenStack services. If any service is compromised, it could gain access to the data transmitted to and from Barbican.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:L"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "PyPI",
      "name" : "barbican"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "last_affected" : "16.0.0"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2023-1636"
  }, {
    "type" : "WEB",
    "url" : "https://access.redhat.com/security/cve/CVE-2023-1636"
  }, {
    "type" : "WEB",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2181765"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/openstack/barbican"
  } ],
  "database_specific" : {
    "cwe_ids" : [ ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2023-09-25T18:34:33Z",
    "nvd_published_at" : "2023-09-24T01:15:43Z"
  }
}