CVE-2023-28357
Last modified
CVE-2023-28357 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. 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.. EPSS estimates a 0.41% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Rocket.Chat | Rocket.Chat | < 6.0.0 |
References
- https://hackerone.com/reports/1445810Issue Tracking, Third Party Advisory
- https://hackerone.com/reports/1445810Issue Tracking, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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