CVE-2023-28357

Published May 11, 2023

Last updated a month ago

CVSS medium 4.3

Overview

Description: A vulnerability has been identified in Rocket.Chat, where the ACL checks in the Slash Command /mute occur after checking whether a user is a member of a given channel, leaking private channel members to unauthorized users. This allows authenticated users to enumerate whether a username is a member of a channel that they do not have access to.
Source: support@hackerone.com
NVD status: Modified

Risk scores

CVSS 3.1

Type: Primary
Base score: 4.3
Impact score: 1.4
Exploitability score: 2.8
Vector string: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Severity: MEDIUM

Weaknesses

support@hackerone.com: CWE-200
nvd@nist.gov: CWE-200
134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-863

Hype score: Not currently trending

Configurations

[
  {
    "nodes": [
      {
        "negate": false,
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:a:rocket.chat:rocket.chat:*:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "2B1141C6-65B5-4FC0-8E0C-C8162E3FDD73",
            "versionEndExcluding": "6.0.0"
          }
        ],
        "operator": "OR"
      }
    ]
  }
]

References