CVE-2018-1000207: Modx/revolution MODX Revolution Incorrect Access Control Vulnerability

HIGH
Advisory Identifier: GHSA-m899-6mh4-mpc5
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CVSS 7.2
CWE-732
Published
Advisory Summary

CVE-2018-1000207 is a HIGH (CVSS 7.2) modx revolution incorrect access control vulnerability (CWE-732: Incorrect Permission Assignment for Critical Resource) affecting Modx/revolution libraries in the Packagist ecosystem. The issue involves modx revolution incorrect access control vulnerability. Remediation is available by upgrading affected packages to version 2.7.0.

CVE-2018-1000207 at a Glance

CVE Identifier CVE-2018-1000207
GHSA Identifier GHSA-m899-6mh4-mpc5
Severity HIGH
CVSS v3.1 Base Score 7.2
CWE Classification CWE-732: Incorrect Permission Assignment for Critical Resource
Affected Product Modx/revolution
Package Ecosystem Packagist
Published Date
Last Updated

Security Impact

CVSS: 7.2

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

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

How to Fix CVE-2018-1000207

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

modx/revolution fixed: 2.7.0 
Upgrade modx/revolution to 2.7.0
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 modx/revolution

How to Check if You Are Affected

To determine whether your application is affected by CVE-2018-1000207, inspect your project dependencies for Modx/revolution:

inspect dependencies for modx/revolution

Analyze the terminal output to locate any version of Modx/revolution in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 2.7.0), 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 Modx/revolution, 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

MODX Revolution version <=2.6.4 contains a Incorrect Access Control vulnerability in Filtering user parameters before passing them into phpthumb class that can result in Creating file with custom a filename and content. This attack appear to be exploitable via Web request. This vulnerability appears to have been fixed in commit 06bc94257408f6a575de20ddb955aca505ef6e68.

CVE-2018-1000207 Affected Modx/revolution Versions

1 component(s)
Fixed Versions:
2.7.0
Product / Package Ecosystem Affected Versions Fixed Version
modx/revolution
 Packagist
< 2.7.0
2.7.0

References

NVD — CVE-2018-1000207 NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-1000207
Modx/revolution Source Repository REPOSITORY
https://github.com/modxcms/revolution/pull/13979
Security Fix Commit FIX COMMIT
https://github.com/modxcms/revolution/commit/06bc94257408f6a575de20ddb955aca505ef6e68
Modx/revolution Source Repository REPOSITORY
https://github.com/a2u/CVE-2018-1000207
Modx/revolution Source Repository REPOSITORY
https://github.com/modxcms/revolution
rudnkh.me/posts/critical-vuln... WEB
https://rudnkh.me/posts/critical-vulnerability-in-modx-revolution-2-6-4

Frequently Asked Questions

What is CVE-2018-1000207?
CVE-2018-1000207 is a security vulnerability in Modx/revolution involving MODX Revolution Incorrect Access Control vulnerability under CWE-732: Incorrect Permission Assignment for Critical Resource.
Which Modx/revolution versions are affected?
Affected versions include releases prior to 2.7.0 across affected packages: modx/revolution.
What version fixes CVE-2018-1000207?
Upgrading to 2.7.0 (or the latest patched release for your respective branch) resolves the vulnerability.
Is modx/revolution affected?
Yes, modx/revolution is affected in releases prior to 2.7.0. Upgrade your dependency to 2.7.0 or later.
What is the CVSS score of CVE-2018-1000207?
CVE-2018-1000207 has a CVSS v3.1 base score of 7.2 (HIGH) with vector string CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.
What CWE is associated with CVE-2018-1000207?
CVE-2018-1000207 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 Packagist dependencies for CVE-2018-1000207?
Run the dependency tree command: 'inspect dependencies for modx/revolution'. 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-m899-6mh4-mpc5",
  "modified" : "2023-10-06T01:42:01Z",
  "published" : "2022-05-13T01:48:35Z",
  "aliases" : [ "CVE-2018-1000207" ],
  "summary" : "MODX Revolution Incorrect Access Control vulnerability",
  "details" : "MODX Revolution version <=2.6.4 contains a Incorrect Access Control vulnerability in Filtering user parameters before passing them into phpthumb class that can result in Creating file with custom a filename and content. This attack appear to be exploitable via Web request. This vulnerability appears to have been fixed in commit 06bc94257408f6a575de20ddb955aca505ef6e68.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "modx/revolution"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "2.7.0"
      } ]
    } ],
    "database_specific" : {
      "last_known_affected_version_range" : "<= 2.6.4"
    }
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2018-1000207"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/modxcms/revolution/pull/13979"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/modxcms/revolution/commit/06bc94257408f6a575de20ddb955aca505ef6e68"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/a2u/CVE-2018-1000207"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/modxcms/revolution"
  }, {
    "type" : "WEB",
    "url" : "https://rudnkh.me/posts/critical-vulnerability-in-modx-revolution-2-6-4"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-732" ],
    "severity" : "HIGH",
    "github_reviewed" : true,
    "github_reviewed_at" : "2023-07-21T22:32:43Z",
    "nvd_published_at" : "2018-07-13T18:29:00Z"
  }
}