CVE-2017-1000020

Severity Score

9.8

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

SYN Flood or FIN Flood attack in ECos 1 and other versions embedded devices results in web Authentication Bypass. "eCos Embedded Web Servers used by Multiple Routers and Home devices, while sending SYN Flood or FIN Flood packets fails to validate and handle the packets and does not ask for any sign of authentication resulting in Authentication Bypass. An attacker can take complete advantage of this bug and take over the device remotely or locally. The bug has been successfully tested and reproduced in some versions of SOHO Routers manufactured by TOTOLINK, GREATEK and others."

El ataque de tipo SYN Flood o FIN Flood en ECos versión 1 y en otras versiones de dispositivos incorporados da como resultado un bypass de autenticación web. "Embedded Web Servers de eCos utilizados por múltiples enrutadores y dispositivos domésticos, mientras envían los paquetes SYN Flood o FIN Flood fallan en la comprobación y el manejo de los paquetes, y no solicitan ninguna firma de autenticación que resulta en la Omisión de Autentificación. Un atacante tomar ventaja de este bug y tomar el control del dispositivo de manera remota o local. El bug se ha probado y reproducido con éxito en algunas versiones de Enrutadores SOHO fabricados por TOTOLINK, GREATEK y otros ".

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Complete

Integrity

Complete

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2017-07-10 CVE Reserved
2017-07-13 CVE Published
2024-03-25 EPSS Updated
2024-08-05 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-287: Improper Authentication

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
http://ecos.sourceware.org/ecos/problemreport.html	2017-08-15

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Ecos Search vendor "Ecos"	Embedded Web Servers Search vendor "Ecos" for product "Embedded Web Servers"	<= 1.3.1 Search vendor "Ecos" for product "Embedded Web Servers" and version " <= 1.3.1"	-	Affected	in	Greatek Search vendor "Greatek"	Soho Search vendor "Greatek" for product "Soho"	-	-	Safe
Ecos Search vendor "Ecos"	Embedded Web Servers Search vendor "Ecos" for product "Embedded Web Servers"	<= 1.3.1 Search vendor "Ecos" for product "Embedded Web Servers" and version " <= 1.3.1"	-	Affected	in	Totolink Search vendor "Totolink"	Soho Search vendor "Totolink" for product "Soho"	-	-	Safe