CVE-2024-50052: Github.com/mattermost/mattermost/server/v8 Mattermost Server Allows Authenticated User Vulnerability

MODERATE
Advisory Identifier: GHSA-g376-m3h3-mj4r
CVSS 4.3
CWE-862
Published
Advisory Summary

CVE-2024-50052 is a MODERATE (CVSS 4.3) mattermost server allows authenticated user vulnerability (CWE-862: Missing Authorization) affecting Github.com/mattermost/mattermost/server/v8 libraries in the Go ecosystem. The issue involves mattermost server allows authenticated user to delete arbitrary post. Remediation is available by upgrading affected packages to version 8.0.0-20240926115259-20ed58906adc.

CVE-2024-50052 at a Glance

CVE Identifier CVE-2024-50052
GHSA Identifier GHSA-g376-m3h3-mj4r
Severity MODERATE
CVSS v3.1 Base Score 4.3
CWE Classification CWE-862: Missing Authorization
Affected Product Github.com/mattermost/mattermost/server/v8
Package Ecosystem Go
Published Date
Last Updated

Security Impact

CVSS: 4.3

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:N/I:L/A:N).

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 None (C:N)
Integrity Low (I:L)
Availability None (A:N)

How to Fix CVE-2024-50052

To remediate this vulnerability, upgrade all affected Github.com/mattermost/mattermost/server/v8 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/v8 fixed: 8.0.0-20240926115259-20ed58906adc
Upgrade github.com/mattermost/mattermost/server/v8 to 8.0.0-20240926115259-20ed58906adc
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/v8

How to Check if You Are Affected

To determine whether your application is affected by CVE-2024-50052, inspect your project dependencies for Github.com/mattermost/mattermost/server/v8:

inspect dependencies for github.com/mattermost/mattermost/server/v8

Analyze the terminal output to locate any version of Github.com/mattermost/mattermost/server/v8 in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 8.0.0-20240926115259-20ed58906adc), 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/v8, 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 versions 9.10.x <= 9.10.2, 9.11.x <= 9.11.1, 9.5.x <= 9.5.9 fail to check that the origin of the message in an integration action matches with the original post metadata which allows an authenticated user to delete an arbitrary post.

CVE-2024-50052 Affected Github.com/mattermost/mattermost/server/v8 Versions

1 component(s)
Fixed Versions:
8.0.0-20240926115259-20ed58906adc
Product / Package Ecosystem Affected Versions Fixed Version
github.com/mattermost/mattermost/server/v8
Go
< 8.0.0-20240926115259-20ed58906adc
8.0.0-20240926115259-20ed58906adc

References

Frequently Asked Questions

What is CVE-2024-50052?
CVE-2024-50052 is a security vulnerability in Github.com/mattermost/mattermost/server/v8 involving Mattermost server allows authenticated user to delete arbitrary post under CWE-862: Missing Authorization.
Which Github.com/mattermost/mattermost/server/v8 versions are affected?
Affected versions include releases prior to 8.0.0-20240926115259-20ed58906adc across affected packages: github.com/mattermost/mattermost/server/v8.
What version fixes CVE-2024-50052?
Upgrading to 8.0.0-20240926115259-20ed58906adc (or the latest patched release for your respective branch) resolves the vulnerability.
Is github.com/mattermost/mattermost/server/v8 affected?
Yes, github.com/mattermost/mattermost/server/v8 is affected in releases prior to 8.0.0-20240926115259-20ed58906adc. Upgrade your dependency to 8.0.0-20240926115259-20ed58906adc or later.
What is the CVSS score of CVE-2024-50052?
CVE-2024-50052 has a CVSS v3.1 base score of 4.3 (MODERATE) with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.
What CWE is associated with CVE-2024-50052?
CVE-2024-50052 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-2024-50052?
Run the dependency tree command: 'inspect dependencies for github.com/mattermost/mattermost/server/v8'. 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
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-g376-m3h3-mj4r",
  "modified" : "2024-11-04T21:25:15Z",
  "published" : "2024-10-29T09:30:51Z",
  "aliases" : [ "CVE-2024-50052" ],
  "summary" : "Mattermost server allows authenticated user to delete arbitrary post",
  "details" : "Mattermost versions 9.10.x <= 9.10.2, 9.11.x <= 9.11.1, 9.5.x <= 9.5.9 fail to check that the origin of the message in an integration action matches with the original post metadata which allows an authenticated user to delete an arbitrary post.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N"
  }, {
    "type" : "CVSS_V4",
    "score" : "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Go",
      "name" : "github.com/mattermost/mattermost/server/v8"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "8.0.0-20240926115259-20ed58906adc"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2024-50052"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/mattermost/mattermost"
  }, {
    "type" : "WEB",
    "url" : "https://mattermost.com/security-updates"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-862" ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2024-10-29T16:13:12Z",
    "nvd_published_at" : "2024-10-29T08:15:12Z"
  }
}