SB2020030412 - Multiple vulnerabilities in TONNET TAT-76 and TAT-77 series of products

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Main Vulnerability Database SB2020030412

SB2020030412 - Multiple vulnerabilities in TONNET TAT-76 and TAT-77 series of products

Published: March 4, 2020

Security Bulletin ID SB2020030412
CSH Severity
High
Patch available
NO
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 vulnerabilities.


1) Improper access control (CVE-ID: CVE-2020-3923)

CWE-ID: CWE-284 - Improper Access Control

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


The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to misconfigured authentication mechanism in DVR firmware. A remote attacker can bypass implemented security restrictions and gain unauthorized access to the application.


2) Command Injection (CVE-ID: CVE-2020-3924)

CWE-ID: CWE-77 - Command injection

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


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

The vulnerability exists due to the DVR firmware does not properly verify patch files. A remote attacker can inject a specific command into a patch file and gain access to the system.

Remediation

Cybersecurity Help is not aware of any official remediation provided by the vendor.

References