CVE-2023-40703
Denial of Service via specially crafted block fields in Mattermost Boards
Severity Score
7.5
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
Mattermost fails to properly limit the characters allowed in different fields of a block in Mattermost Boards allowing a attacker to consume excessive resources, possibly leading to Denial of Service, by patching the field of a block using a specially crafted string.
Mattermost no logra limitar adecuadamente los caracteres permitidos en diferentes campos de un bloque en Mattermost Boards, lo que permite a un atacante consumir recursos excesivos, lo que posiblemente lleve a una Denegación de Servicio, al parchear el campo de un bloque usando una cadena especialmente manipulada.
*Credits:
vultza (vultza)
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
- 2023-11-22 CVE Reserved
- 2023-11-27 CVE Published
- 2024-08-02 CVE Updated
- 2024-10-27 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-400: Uncontrolled Resource Consumption
CAPEC
References (1)
| URL | Tag | Source |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://mattermost.com/security-updates | 2023-12-01 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Mattermost Search vendor "Mattermost" | Mattermost Search vendor "Mattermost" for product "Mattermost" | <= 7.8.12 Search vendor "Mattermost" for product "Mattermost" and version " <= 7.8.12" | - |
Affected
| ||||||
| Mattermost Search vendor "Mattermost" | Mattermost Search vendor "Mattermost" for product "Mattermost" | >= 8.0.0 <= 8.1.3 Search vendor "Mattermost" for product "Mattermost" and version " >= 8.0.0 <= 8.1.3" | - |
Affected
| ||||||
| Mattermost Search vendor "Mattermost" | Mattermost Search vendor "Mattermost" for product "Mattermost" | >= 9.0.0 <= 9.0.1 Search vendor "Mattermost" for product "Mattermost" and version " >= 9.0.0 <= 9.0.1" | - |
Affected
| ||||||
| Mattermost Search vendor "Mattermost" | Mattermost Search vendor "Mattermost" for product "Mattermost" | 9.1.0 Search vendor "Mattermost" for product "Mattermost" and version "9.1.0" | - |
Affected
| ||||||