CVE-2023-5967

Denial of Service via crashing the Calls Plugin

Severity Score

4.3

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

Track

*SSVC

Descriptions

Mattermost fails to properly validate requests to the Calls plugin, allowing an attacker sending a request without a User Agent header to cause a panic and crash the Calls plugin

Mattermost no valida correctamente las solicitudes al complemento Calls, lo que permite que un atacante que envíe una solicitud sin un encabezado de Agente de Usuario cause pánico y bloquee el complemento Calls.

*Credits: DoyenSec

CVSS Scores

NISTv3.1 4.3

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

Low

* Common Vulnerability Scoring System

SSVC

Decision:Track

Exploitation

None

Automatable

Tech. Impact

Partial

* Organization's Worst-case Scenario

Timeline

2023-11-06 CVE Reserved
2023-11-06 CVE Published
2023-11-15 EPSS Updated
2024-09-12 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-754: Improper Check for Unusual or Exceptional Conditions

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://mattermost.com/security-updates	2023-11-14

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"				<= 7.8.11 Search vendor "Mattermost" for product "Mattermost" and version " <= 7.8.11"		-		Affected
Mattermost Search vendor "Mattermost"		Mattermost Search vendor "Mattermost" for product "Mattermost"				>= 8.0.0 <= 8.0.3 Search vendor "Mattermost" for product "Mattermost" and version " >= 8.0.0 <= 8.0.3"		-		Affected
Mattermost Search vendor "Mattermost"		Mattermost Search vendor "Mattermost" for product "Mattermost"				>= 8.1.0 <= 8.1.2 Search vendor "Mattermost" for product "Mattermost" and version " >= 8.1.0 <= 8.1.2"		-		Affected