CVE-2020-10928

Severity Score

8.4

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of NETGEAR R6700 V1.0.4.84_10.0.58 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of string table file uploads. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length, heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the web server. Was ZDI-CAN-9767.

Esta vulnerabilidad permite a atacantes adyacentes a la red ejecutar código arbitrario en las instalaciones afectadas de los enrutadores NETGEAR R6700 versión V1.0.4.84_10.0.58. No es requerida una autenticación para explotar esta vulnerabilidad. El fallo específico se presenta en el manejo de las cargas de archivos de tabla de cadenas. El problema resulta de una falta de comprobación apropiada de la longitud de los datos suministrados por el usuario antes de copiarlos en un búfer en la región heap de la memoria de longitud fija. Un atacante puede aprovechar esta vulnerabilidad para ejecutar código en el contexto del servidor web. Fue ZDI-CAN-9767

*Credits: d4rkn3ss from VNPT ISC

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Local

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2020-03-24 CVE Reserved
2020-07-28 CVE Published
2023-03-08 EPSS Updated
2024-08-04 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-122: Heap-based Buffer Overflow

CAPEC

References (1)

URL	Tag	Source
https://www.zerodayinitiative.com/advisories/ZDI-20-708	Third Party Advisory

URL	Date	SRC

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
Netgear Search vendor "Netgear"	R6700 Firmware Search vendor "Netgear" for product "R6700 Firmware"	1.0.4.84_10.0.58 Search vendor "Netgear" for product "R6700 Firmware" and version "1.0.4.84_10.0.58"	-	Affected	in	Netgear Search vendor "Netgear"	R6700 Search vendor "Netgear" for product "R6700"	-	-	Safe