CVE-2020-18326: Intelliants/subrion Cross Site Request Forgery Vulnerability

HIGH
Advisory Identifier: GHSA-9cc3-5w85-pxvx
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CVSS 8.8
CWE-352
Published
Advisory Summary

CVE-2020-18326 is a HIGH (CVSS 8.8) cross site request forgery vulnerability (CWE-352: Cross-Site Request Forgery (CSRF)) affecting Intelliants/subrion libraries in the Packagist ecosystem. The issue involves cross site request forgery in intelliants/subrion. Remediation is available in the latest vendor maintenance releases.

CVE-2020-18326 at a Glance

CVE Identifier CVE-2020-18326
GHSA Identifier GHSA-9cc3-5w85-pxvx
Severity HIGH
CVSS v3.1 Base Score 8.8
CWE Classification CWE-352: Cross-Site Request Forgery (CSRF)
Affected Product Intelliants/subrion
Package Ecosystem Packagist
Published Date
Last Updated

Security Impact

CVSS: 8.8

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

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

How to Fix CVE-2020-18326

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

intelliants/subrion fixed: Latest secure release 
Upgrade intelliants/subrion to 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: 

inspect dependencies for intelliants/subrion

How to Check if You Are Affected

To determine whether your application is affected by CVE-2020-18326, inspect your project dependencies for Intelliants/subrion:

inspect dependencies for intelliants/subrion

Analyze the terminal output to locate any version of Intelliants/subrion 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: Verify declared build manifests and deployed runtime container environments.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under CWE-352: Cross-Site Request Forgery (CSRF), where the web application does not, or cannot, sufficiently verify whether a request was intentionally provided by the user who sent the request, which could have originated from an unauthorized actor. In Intelliants/subrion, 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

Cross Site Request Forgery (CSRF) vulnerability exists in Intelliants Subrion CMS v4.2.1 via the Members administrator function, which could let a remote unauthenticated malicious user send an authorised request to victim and successfully create an arbitrary administrator user.

CVE-2020-18326 Affected Intelliants/subrion Versions

1 component(s)
Product / Package Ecosystem Affected Versions Fixed Version
intelliants/subrion
 Packagist
≤ 4.2.1

References

NVD — CVE-2020-18326 NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-18326
Intelliants/subrion Source Repository REPOSITORY
https://github.com/hamm0nz/CVE-2020-18326
Intelliants/subrion Source Repository REPOSITORY
https://github.com/intelliants/subrion

Frequently Asked Questions

What is CVE-2020-18326?
CVE-2020-18326 is a security vulnerability in Intelliants/subrion involving Cross Site Request Forgery in intelliants/subrion under CWE-352: Cross-Site Request Forgery (CSRF).
Which Intelliants/subrion versions are affected?
Affected versions include releases prior to current release patches across affected packages: intelliants/subrion.
What version fixes CVE-2020-18326?
Upgrading to current release patches (or the latest patched release for your respective branch) resolves the vulnerability.
Is intelliants/subrion affected?
Yes, intelliants/subrion 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-2020-18326?
CVE-2020-18326 has a CVSS v3.1 base score of 8.8 (HIGH) with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
What CWE is associated with CVE-2020-18326?
CVE-2020-18326 is classified under CWE-352: Cross-Site Request Forgery (CSRF) (The web application does not, or cannot, sufficiently verify whether a request was intentionally provided by the user who sent the request, which could have originated from an unauthorized actor.).
How can I check Packagist dependencies for CVE-2020-18326?
Run the dependency tree command: 'inspect dependencies for intelliants/subrion'. 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-9cc3-5w85-pxvx",
  "modified" : "2022-03-14T23:03:31Z",
  "published" : "2022-03-05T00:00:45Z",
  "aliases" : [ "CVE-2020-18326" ],
  "summary" : "Cross Site Request Forgery in intelliants/subrion",
  "details" : "Cross Site Request Forgery (CSRF) vulnerability exists in Intelliants Subrion CMS v4.2.1 via the Members administrator function, which could let a remote unauthenticated malicious user send an authorised request to victim and successfully create an arbitrary administrator user.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "intelliants/subrion"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "last_affected" : "4.2.1"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2020-18326"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/hamm0nz/CVE-2020-18326"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/intelliants/subrion"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-352" ],
    "severity" : "HIGH",
    "github_reviewed" : true,
    "github_reviewed_at" : "2022-03-14T23:03:31Z",
    "nvd_published_at" : "2022-03-04T15:15:00Z"
  }
}