CVE-2022-1384: Github.com/mattermost/mattermost server/v6 Insecure Plugin Handling Vulnerability

HIGH
Advisory Identifier: GHSA-32rp-q37p-jg6w
Share
CVSS 8.8
CWE-862
Published
Advisory Summary

CVE-2022-1384 is a HIGH (CVSS 8.8) insecure plugin handling vulnerability (CWE-862: Missing Authorization) affecting Github.com/mattermost/mattermost server/v6 libraries in the Go ecosystem. The issue involves insecure plugin handling in mattermost. Remediation is available by upgrading affected packages to version 6.5.0.

CVE-2022-1384 at a Glance

CVE Identifier CVE-2022-1384
GHSA Identifier GHSA-32rp-q37p-jg6w
Severity HIGH
CVSS v3.1 Base Score 8.8
CWE Classification CWE-862: Missing Authorization
Affected Product Github.com/mattermost/mattermost server/v6
Package Ecosystem Go
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:L/UI:N/S:U/C:H/I:H/A:H).

Attack Vector Network (AV:N)
Attack Complexity Low (AC:L)
Privileges Required Low (PR:L)
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-2022-1384

To remediate this vulnerability, upgrade all affected Github.com/mattermost/mattermost server/v6 dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.

github.com/mattermost/mattermost-server/v6 fixed: 6.5.0 
Upgrade github.com/mattermost/mattermost-server/v6 to 6.5.0
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 github.com/mattermost/mattermost-server/v6

How to Check if You Are Affected

To determine whether your application is affected by CVE-2022-1384, inspect your project dependencies for Github.com/mattermost/mattermost server/v6:

inspect dependencies for github.com/mattermost/mattermost-server/v6

Analyze the terminal output to locate any version of Github.com/mattermost/mattermost server/v6 in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 6.5.0), 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-862: Missing Authorization, where the product does not perform an authorization check when an actor attempts to access a resource or perform an action. In Github.com/mattermost/mattermost server/v6, 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

Mattermost version 6.4.x and earlier fails to properly check the plugin version when a plugin is installed from the Marketplace, which allows an authenticated and an authorized user to install and exploit an old plugin version from the Marketplace which might have known vulnerabilities.

CVE-2022-1384 Affected Github.com/mattermost/mattermost server/v6 Versions

1 component(s)
Fixed Versions:
6.5.0
Product / Package Ecosystem Affected Versions Fixed Version
github.com/mattermost/mattermost-server/v6
golang/github.com/mattermost/mattermost-server/v6
Go
≥ 6.4.0
< 6.5.0
6.5.0

References

NVD — CVE-2022-1384 NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-1384
Github.com/mattermost/mattermost server/v6 Security Information SECURITY
https://mattermost.com/security-updates
github.com/mattermos... PACKAGE
github.com/mattermost/mattermost-server

Frequently Asked Questions

What is CVE-2022-1384?
CVE-2022-1384 is a security vulnerability in Github.com/mattermost/mattermost server/v6 involving Insecure plugin handling in Mattermost under CWE-862: Missing Authorization.
Which Github.com/mattermost/mattermost server/v6 versions are affected?
Affected versions include releases prior to 6.5.0 across affected packages: github.com/mattermost/mattermost-server/v6.
What version fixes CVE-2022-1384?
Upgrading to 6.5.0 (or the latest patched release for your respective branch) resolves the vulnerability.
Is github.com/mattermost/mattermost-server/v6 affected?
Yes, github.com/mattermost/mattermost-server/v6 is affected in releases prior to 6.5.0. Upgrade your dependency to 6.5.0 or later.
What is the CVSS score of CVE-2022-1384?
CVE-2022-1384 has a CVSS v3.1 base score of 8.8 (HIGH) with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
What CWE is associated with CVE-2022-1384?
CVE-2022-1384 is classified under CWE-862: Missing Authorization (The product does not perform an authorization check when an actor attempts to access a resource or perform an action.).
How can I check Go dependencies for CVE-2022-1384?
Run the dependency tree command: 'inspect dependencies for github.com/mattermost/mattermost-server/v6'. 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-32rp-q37p-jg6w",
  "modified" : "2022-04-28T21:12:15Z",
  "published" : "2022-04-20T00:00:30Z",
  "aliases" : [ "CVE-2022-1384" ],
  "summary" : "Insecure plugin handling in Mattermost",
  "details" : "Mattermost version 6.4.x and earlier fails to properly check the plugin version when a plugin is installed from the Marketplace, which allows an authenticated and an authorized user to install and exploit an old plugin version from the Marketplace which might have known vulnerabilities.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Go",
      "name" : "github.com/mattermost/mattermost-server/v6"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "6.4.0"
      }, {
        "fixed" : "6.5.0"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2022-1384"
  }, {
    "type" : "WEB",
    "url" : "https://mattermost.com/security-updates"
  }, {
    "type" : "PACKAGE",
    "url" : "github.com/mattermost/mattermost-server"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-862" ],
    "severity" : "HIGH",
    "github_reviewed" : true,
    "github_reviewed_at" : "2022-04-28T21:12:15Z",
    "nvd_published_at" : "2022-04-19T21:15:00Z"
  }
}