PT-2023-21666 · Rocket.Chat+1 · Rocket.Chat

Vv9K · Published 2023-05-11 · Updated 2023-05-22 · CVE-2023-28356

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Software (affected versions not specified)

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.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Allocation of Resources Without Limits

Resource Exhaustion

Weakness Enumeration

CWE-770

CWE-400

Related Identifiers

CVE-2023-28356

Affected Products

Rocket.Chat

References · 6

• https://nvd.nist.gov/vuln/detail/CVE-2023-28356 · Security Note
• https://osv.dev/vulnerability/CVE-2023-28356 · Vendor Advisory
• https://t.me/cibsecurity/63936 · Telegram Post
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-28356 · Note
• https://hackerone.com/reports/1461340 · Note
• https://t.me/cvenotify/50286 · Telegram Post