SB2023122731 - Multiple vulnerabilities in BUFFALO VR-S1000 router

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Main Vulnerability Database SB2023122731

SB2023122731 - Multiple vulnerabilities in BUFFALO VR-S1000 router

Published: December 27, 2023

Security Bulletin ID SB2023122731
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 4
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

Medium 25% Low 75%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 4 vulnerabilities.


1) OS Command Injection (CVE-ID: CVE-2023-45741)

CWE-ID: CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a remote user to execute arbitrary shell commands on the target system.

The vulnerability exists due to improper input validation in the web management interface. A remote authenticated user can send specially crafted data to the application and execute arbitrary OS commands on the target system.


2) Improper Neutralization of Argument Delimiters in a Command (CVE-ID: CVE-2023-46681)

CWE-ID: CWE-88 - Argument Injection or Modification

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote user to execute arbitrary shell commands on the target system.

The vulnerability exists due to improper input validation in the web management interface. A remote authenticated user can send specially crafted data to the application and execute arbitrary OS commands on the target system.


3) Use of Hard-coded Cryptographic Key (CVE-ID: CVE-2023-46711)

CWE-ID: CWE-321 - Use of Hard-coded Cryptographic Key

CVSSv4: CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows an attacker to compromise the affected device.

The vulnerability exists due to presence of a hard-coded cryptographic key on the device. An attacker with physical access to device can recover passwords of other users.


4) Information disclosure (CVE-ID: CVE-2023-51363)

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

CVSSv4: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to excessive data output by the application's web interface. A remote attacker on the local network can gain unauthorized access to sensitive information on the system.


Remediation

Install update from vendor's website.

References