Denial of Service Vulnerability in Chat Service by Specific Vendor
CVE-2023-28356

7.5HIGH

Key Information:

Vendor
CVE Published:
11 May 2023

What is CVE-2023-28356?

A vulnerability has been found in the chat service where a specially crafted message can trigger a loop in one of the service processes. This can lead to excessive CPU usage, often exceeding 120%, and results in the chat service becoming unresponsive, significantly disrupting user experience. Address this issue to ensure service reliability and performance.

Affected Version(s)

Rocket.Chat 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

References

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.