CVE-2017-1000020

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."

CVSS v3.0 9.8 CRITICAL
CVSS v2.0 10.0 HIGH

9.8^/10

CVSS v3.0 : CRITICAL

Vector : AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

10.0^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:N/C:C/I:C/A:C

Exploitability : 10.0 / Impact : 10.0

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
http://ecos.sourceware.org/ecos/problemreport.html	Vendor Advisory

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Configurations

Configuration 1 (hide)

AND

cpe:2.3:o:ecos:embedded_web_servers:*:*:*:*:*:*:*:*

OR	cpe:2.3:h:greatek:soho:-:::::::*
	cpe:2.3:h:totolink:soho:-:::::::*

Information

Published : 2017-07-17 06:18

Updated : 2017-08-15 12:48

NVD link : CVE-2017-1000020

Mitre link : CVE-2017-1000020

JSON object : View

CWE

CWE-287

Improper Authentication

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Products Affected

greatek

soho

totolink

soho

ecos

embedded_web_servers

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