CVE-2023-28356

State: Published
Severity: 7.5 High
Published: May 11, 2023
Updated: Jan 27, 2025
Reserved: Mar 15, 2023

Description

A vulnerability has been identified where a maliciously crafted message containing a specific chain of characters can cause the chat to enter a hot loop on one of the processes, consuming ~120% CPU and rendering the service unresponsive.

Scores

CVSS	Score	Vector	Source
3.1	7.5 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	CISA-ADP

Weaknesses

CWE-400 Denial of Service (CWE-400)
CWE-770 Allocation of Resources Without Limits or Throttling

Affected Products

Product	Versions
Rocket.Chatn/a	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-versionsAffected

References

https://hackerone.com/reports/1461340

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