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Advisories

Telenia TVox 26.5.3 Authentication Bypass via set_env.php

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severity
critical
date
Affecting

  • TVox >= 26.0.0, <= 26.5.3

  • TVox >= 24.0.0, <= 24.9.21

CWE
  • CWE-807 Reliance on Untrusted Inputs in a Security Decision
CVSS
9.3
CVSS V4 Vector
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
Credit
Egidio Romano
Description
Telenia Software TVox 26.5.3 and prior 26.x versions, and 24.9.21 and prior 24.x versions, contain an authentication bypass vulnerability in set_env.php where the redirectToLoginAdminIRequestHaveAccessToken() function derives the current page name from PHP_SELF and skips authentication when the value matches 'login_admin.php'. Attackers can append '/login_admin.php' to the path of any target PHP script to cause the authentication check to pass and gain unauthenticated access to all PHP scripts under the manager HTML directory.

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