Overview
- Description
- An improper access control vulnerability exists in Rocket.Chat <v5, <v4.8.2 and <v4.7.5 due to input data in the getUsersOfRoom Meteor server method is not type validated, so that MongoDB query operator objects are accepted by the server, so that instead of a matching rid String a$regex query can be executed, bypassing the room access permission check for every but the first matching room.
- Source
- support@hackerone.com
- NVD status
- Analyzed
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
Social media
- Hype score
- Not currently trending
Configurations
[
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:rocket.chat:rocket.chat:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "E3155E31-438F-4694-88C7-4D6C91C86C1D",
"versionEndExcluding": "4.7.5"
},
{
"criteria": "cpe:2.3:a:rocket.chat:rocket.chat:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "2C7BCD8A-EF54-4DFB-9DBA-FED38DB78789",
"versionEndExcluding": "4.8.2",
"versionStartIncluding": "4.8.0"
}
],
"operator": "OR"
}
]
}
]