SB2020080514 - Multiple vulnerabilities in several NETGEAR Routers

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Main Vulnerability Database SB2020080514

SB2020080514 - Multiple vulnerabilities in several NETGEAR Routers

Published: August 5, 2020

Security Bulletin ID SB2020080514
Severity
High
Patch available
YES
Number of vulnerabilities 3
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 33% Medium 33% Low 33%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 3 secuirty vulnerabilities.


1) Format string error (CVE-ID: CVE-2020-15634)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a format string error when handling the string table file uploads. A remote attacker on the local network can supply a specially crafted input that contains format string specifiers and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


2) Stack-based buffer overflow (CVE-ID: CVE-2020-15635)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error within the "acsd" service. A remote attacker on the local network can trigger stack-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


3) Stack-based buffer overflow (CVE-ID: CVE-2020-15636)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error within the "check_ra" service. A remote unauthenticated attacker can use a specially crafted "raePolicyVersion" in a "RAE_Policy.json" file, trigger stack-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Remediation

Install update from vendor's website.

References