CVE-2018-1000518

Severity Score

7.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

aaugustin websockets version 4 contains a CWE-409: Improper Handling of Highly Compressed Data (Data Amplification) vulnerability in Servers and clients, unless configured with compression=None that can result in Denial of Service by memory exhaustion. This attack appear to be exploitable via Sending a specially crafted frame on an established connection. This vulnerability appears to have been fixed in 5.

aaugustin websockets 4 contiene una vulnerabilidad CWE-409: gestión incorrecta de datos altamente comprimidos (amplificación de datos) en los servidores y los clientes, a no ser que se configure con compression=None, lo que puede resultar en una denegación de servicio (DoS) por agotamiento de memoria. Este ataque parece ser explotable mediante el envío de una trama especialmente manipulada en una conexión establecida. La vulnerabilidad parece haber sido solucionada en la versión 5.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2018-05-19 CVE Reserved
2018-06-26 CVE Published
2024-05-05 EPSS Updated
2024-08-05 CVE Updated
2024-08-05 First Exploit
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-400: Uncontrolled Resource Consumption

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC
https://github.com/aaugustin/websockets/pull/407	2024-08-05

URL	Date	SRC

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Websockets Project Search vendor "Websockets Project"		Websockets Search vendor "Websockets Project" for product "Websockets"				4.0 Search vendor "Websockets Project" for product "Websockets" and version "4.0"		python		Affected