// For flags

CVE-2023-45239

Gentoo Linux Security Advisory 202402-13

Severity Score

9.8
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

2
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Attend
*SSVC
Descriptions

A lack of input validation exists in tac_plus prior to commit 4fdf178 which, when pre or post auth commands are enabled, allows an attacker who can control the username, rem-addr, or NAC address sent to tac_plus to inject shell commands and gain remote code execution on the tac_plus server.

Existe una falta de validación de entrada en tac_plus antes del commit 4fdf178 que, cuando los comandos de autenticación previa o posterior están habilitados, permite a un atacante que puede controlar el nombre de usuario, rem-addr o la dirección NAC enviada a tac_plus inyectar comandos de shell y obtener código remoto ejecución en el servidor tac_plus.

A vulnerability has been discovered in TACACS+ which could lead to remote code execution. Versions less than or equal to 4.0.4.27a-r3 are affected.

*Credits: N/A
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete
* Common Vulnerability Scoring System
SSVC
  • Decision:Attend
Exploitation
None
Automatable
Yes
Tech. Impact
Total
* Organization's Worst-case Scenario
Timeline
  • 2023-10-05 CVE Reserved
  • 2023-10-06 CVE Published
  • 2024-05-17 First Exploit
  • 2025-02-13 CVE Updated
  • 2025-03-30 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
  • CWE-790: Improper Filtering of Special Elements
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Facebook
Search vendor "Facebook"
 Tac Plus
Search vendor "Facebook" for product "Tac Plus"
 < 2023-10-05
Search vendor "Facebook" for product "Tac Plus" and version " < 2023-10-05"
-
Affected
Fedoraproject
Search vendor "Fedoraproject"
 Fedora
Search vendor "Fedoraproject" for product "Fedora"
 39
Search vendor "Fedoraproject" for product "Fedora" and version "39"
-
Affected