CVE-2023-28357

2023-05-1122:15:09

CWE-200

[email protected]

web.nvd.nist.gov

rocket.chat

vulnerability

acl checks

slash command

cve-2023-28357

nvd

4.3 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

4.4 Medium

AI Score

Confidence

High

0.0005 Low

EPSS

Percentile

17.7%

JSON

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.

Affected configurations

NVD

Node

rocket.chatrocket.chatRange<6.0.0

CPENameOperatorVersion
rocket.chat:rocket.chatrocket.chatlt6.0.0

CPE	Name	Operator	Version
rocket.chat:rocket.chat	rocket.chat	lt	6.0.0

CNA Affected

[
  {
    "vendor": "n/a",
    "product": "Rocket.Chat",
    "versions": [
      {
        "version": "This issue has been fixed in version 6.0> and is backported for the supported versions. Check this document for more info: https://docs.rocket.chat/resources/get-support/enterprise-support#rocket.chat-versions",
        "status": "affected"
      }
    ]
  }
]