CVE-2022-3257

Published Sep 23, 2022

Last updated 2 years ago

CVSS medium 6.5

Overview

Description: Mattermost version 7.1.x and earlier fails to sufficiently process a specifically crafted GIF file when it is uploaded while drafting a post, which allows authenticated users to cause resource exhaustion while processing the file, resulting in server-side Denial of Service.
Source: responsibledisclosure@mattermost.com
NVD status: Analyzed

Risk scores

CVSS 3.1

Type: Primary
Base score: 6.5
Impact score: 3.6
Exploitability score: 2.8
Vector string: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Severity: MEDIUM

Weaknesses

nvd@nist.gov: CWE-434
responsibledisclosure@mattermost.com: CWE-400

Hype score: Not currently trending

Configurations

[
  {
    "nodes": [
      {
        "negate": false,
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "9507DE58-215B-472C-8410-DF0ED6F6CF81",
            "versionEndExcluding": "7.2.0"
          }
        ],
        "operator": "OR"
      }
    ]
  }
]

References