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Advisories

Telenia TVox 26.5.3 Privilege Escalation via Insecure sudoers Configuration

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severity
high
date
Affecting

  • TVox >= 26.0.0, <= 26.5.3

  • TVox >= 24.0.0, <= 24.9.21

CWE
  • CWE-250 Execution with Unnecessary Privileges
CVSS
8.5
CVSS V4 Vector
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/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 a privilege escalation vulnerability that allows attackers with access to the apache account to execute arbitrary commands as root by exploiting an insecure sudoers configuration in /etc/sudoers.d/telenia. The configuration grants the apache user NOPASSWD execution of /bin/nice, which can be leveraged to invoke arbitrary commands, enabling full root-level command execution without supplying a password.

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