CVE-2018-1000211: Doorkeeper Doorkeeper Subject To Incorrect Permission Vulnerability

HIGH
Advisory Identifier: GHSA-694m-jhr9-pf77
Share
CVSS 7.5
CWE-732
Published
Advisory Summary

CVE-2018-1000211 is a HIGH (CVSS 7.5) doorkeeper subject to incorrect permission vulnerability (CWE-732: Incorrect Permission Assignment for Critical Resource) affecting Doorkeeper libraries in the RubyGems ecosystem. The issue involves doorkeeper subject to incorrect permission assignment. Remediation is available by upgrading affected packages to version 4.4.0.

CVE-2018-1000211 at a Glance

CVE Identifier CVE-2018-1000211
GHSA Identifier GHSA-694m-jhr9-pf77
Severity HIGH
CVSS v3.1 Base Score 7.5
CWE Classification CWE-732: Incorrect Permission Assignment for Critical Resource
Affected Product Doorkeeper
Package Ecosystem RubyGems
Published Date
Last Updated

Security Impact

CVSS: 7.5

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

Attack Vector Network (AV:N)
Attack Complexity Low (AC:L)
Privileges Required None (PR:N)
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-2018-1000211

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

doorkeeper fixed: 4.4.0 
Upgrade doorkeeper to 4.4.0
Verify Direct and Transitive Dependencies

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

inspect dependencies for doorkeeper

How to Check if You Are Affected

To determine whether your application is affected by CVE-2018-1000211, inspect your project dependencies for Doorkeeper:

inspect dependencies for doorkeeper

Analyze the terminal output to locate any version of Doorkeeper in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 4.4.0), your application is affected.

Note: Verify declared build manifests and deployed runtime container environments.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under CWE-732: Incorrect Permission Assignment for Critical Resource, where the product specifies permissions for a security-critical resource in a way that allows that resource to be read or modified by unintended actors. In Doorkeeper, 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

Doorkeeper version 4.2.0 and later contains a Incorrect Access Control vulnerability in Token revocation API's authorized method that can result in Access tokens are not revoked for public OAuth apps, leaking access until expiry.

CVE-2018-1000211 Affected Doorkeeper Versions

1 component(s)
Fixed Versions:
4.4.0
Product / Package Ecosystem Affected Versions Fixed Version
doorkeeper
gem/doorkeeper
RubyGems
≥ 4.2.0
< 4.4.0
4.4.0

References

NVD — CVE-2018-1000211 NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-1000211
Doorkeeper Source Repository REPOSITORY
https://github.com/doorkeeper-gem/doorkeeper/issues/891
Doorkeeper Source Repository REPOSITORY
https://github.com/doorkeeper-gem/doorkeeper/pull/1119
GitHub Advisory / Wiki ADVISORY
https://github.com/advisories/GHSA-694m-jhr9-pf77
Doorkeeper Source Repository REPOSITORY
https://github.com/doorkeeper-gem/doorkeeper

Frequently Asked Questions

What is CVE-2018-1000211?
CVE-2018-1000211 is a security vulnerability in Doorkeeper involving Doorkeeper subject to Incorrect Permission Assignment under CWE-732: Incorrect Permission Assignment for Critical Resource.
Which Doorkeeper versions are affected?
Affected versions include releases prior to 4.4.0 across affected packages: doorkeeper.
What version fixes CVE-2018-1000211?
Upgrading to 4.4.0 (or the latest patched release for your respective branch) resolves the vulnerability.
Is doorkeeper affected?
Yes, doorkeeper is affected in releases prior to 4.4.0. Upgrade your dependency to 4.4.0 or later.
What is the CVSS score of CVE-2018-1000211?
CVE-2018-1000211 has a CVSS v3.1 base score of 7.5 (HIGH) with vector string CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
What CWE is associated with CVE-2018-1000211?
CVE-2018-1000211 is classified under CWE-732: Incorrect Permission Assignment for Critical Resource (The product specifies permissions for a security-critical resource in a way that allows that resource to be read or modified by unintended actors.).
How can I check RubyGems dependencies for CVE-2018-1000211?
Run the dependency tree command: 'inspect dependencies for doorkeeper'. 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-694m-jhr9-pf77",
  "modified" : "2023-01-21T03:36:04Z",
  "published" : "2018-08-13T20:46:41Z",
  "aliases" : [ "CVE-2018-1000211" ],
  "summary" : "Doorkeeper subject to Incorrect Permission Assignment",
  "details" : "Doorkeeper version 4.2.0 and later contains a Incorrect Access Control vulnerability in Token revocation API's authorized method that can result in Access tokens are not revoked for public OAuth apps, leaking access until expiry.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "RubyGems",
      "name" : "doorkeeper"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "4.2.0"
      }, {
        "fixed" : "4.4.0"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2018-1000211"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/doorkeeper-gem/doorkeeper/issues/891"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/doorkeeper-gem/doorkeeper/pull/1119"
  }, {
    "type" : "ADVISORY",
    "url" : "https://github.com/advisories/GHSA-694m-jhr9-pf77"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/doorkeeper-gem/doorkeeper"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-732" ],
    "severity" : "HIGH",
    "github_reviewed" : true,
    "github_reviewed_at" : "2020-06-16T21:18:42Z",
    "nvd_published_at" : null
  }
}