CVE-2022-41921
Discourse chat messages should have a maximum character limit
Severity Score
4.3
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
Discourse is an open-source discussion platform. Prior to version 2.9.0.beta13, users can post chat messages of an unlimited length, which can cause a denial of service for other users when posting huge amounts of text. Users should upgrade to version 2.9.0.beta13, where a limit has been introduced. No known workarounds are available.
Discourse es una plataforma de discusión de código abierto. Antes de la versión 2.9.0.beta13, los usuarios podían publicar mensajes de chat de longitud ilimitada, lo que podía provocar una Denegación de Servicio (DoS) para otros usuarios al publicar grandes cantidades de texto. Los usuarios deben actualizar a la versión 2.9.0.beta13, donde se introdujo un límite. No hay workarounds conocidos disponibles.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2022-09-30 CVE Reserved
- 2022-11-28 CVE Published
- 2024-06-20 EPSS Updated
- 2024-08-03 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-20: Improper Input Validation
- CWE-770: Allocation of Resources Without Limits or Throttling
CAPEC
References (2)
| URL | Tag | Source |
|---|---|---|
| https://github.com/discourse/discourse/security/advisories/GHSA-mfh7-6cv6-qccc | Third Party Advisory |
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://github.com/discourse/discourse/commit/3de765c89524a526ce611e11468d758a471a933f | 2022-12-01 |
| URL | Date | SRC |
|---|
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Discourse Search vendor "Discourse" | Discourse Search vendor "Discourse" for product "Discourse" | < 2.9.0 Search vendor "Discourse" for product "Discourse" and version " < 2.9.0" | - |
Affected
| ||||||
| Discourse Search vendor "Discourse" | Discourse Search vendor "Discourse" for product "Discourse" | 2.9.0 Search vendor "Discourse" for product "Discourse" and version "2.9.0" | beta1 |
Affected
| ||||||
| Discourse Search vendor "Discourse" | Discourse Search vendor "Discourse" for product "Discourse" | 2.9.0 Search vendor "Discourse" for product "Discourse" and version "2.9.0" | beta10 |
Affected
| ||||||
| Discourse Search vendor "Discourse" | Discourse Search vendor "Discourse" for product "Discourse" | 2.9.0 Search vendor "Discourse" for product "Discourse" and version "2.9.0" | beta11 |
Affected
| ||||||
| Discourse Search vendor "Discourse" | Discourse Search vendor "Discourse" for product "Discourse" | 2.9.0 Search vendor "Discourse" for product "Discourse" and version "2.9.0" | beta12 |
Affected
| ||||||
| Discourse Search vendor "Discourse" | Discourse Search vendor "Discourse" for product "Discourse" | 2.9.0 Search vendor "Discourse" for product "Discourse" and version "2.9.0" | beta2 |
Affected
| ||||||
| Discourse Search vendor "Discourse" | Discourse Search vendor "Discourse" for product "Discourse" | 2.9.0 Search vendor "Discourse" for product "Discourse" and version "2.9.0" | beta3 |
Affected
| ||||||
| Discourse Search vendor "Discourse" | Discourse Search vendor "Discourse" for product "Discourse" | 2.9.0 Search vendor "Discourse" for product "Discourse" and version "2.9.0" | beta4 |
Affected
| ||||||
| Discourse Search vendor "Discourse" | Discourse Search vendor "Discourse" for product "Discourse" | 2.9.0 Search vendor "Discourse" for product "Discourse" and version "2.9.0" | beta5 |
Affected
| ||||||
| Discourse Search vendor "Discourse" | Discourse Search vendor "Discourse" for product "Discourse" | 2.9.0 Search vendor "Discourse" for product "Discourse" and version "2.9.0" | beta6 |
Affected
| ||||||
| Discourse Search vendor "Discourse" | Discourse Search vendor "Discourse" for product "Discourse" | 2.9.0 Search vendor "Discourse" for product "Discourse" and version "2.9.0" | beta7 |
Affected
| ||||||
| Discourse Search vendor "Discourse" | Discourse Search vendor "Discourse" for product "Discourse" | 2.9.0 Search vendor "Discourse" for product "Discourse" and version "2.9.0" | beta8 |
Affected
| ||||||
| Discourse Search vendor "Discourse" | Discourse Search vendor "Discourse" for product "Discourse" | 2.9.0 Search vendor "Discourse" for product "Discourse" and version "2.9.0" | beta9 |
Affected
| ||||||