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CVE-2023-45239

nvd nist
Published: Oct 6, 2023Modified: Jun 17, 2026

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9.8
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploitability: 3.9 / Impact: 5.9
Source: NVD

Description

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.

Affected (2)

Facebook
1 product
Tac Plus
Fedoraproject
1 product
Fedora
Configuration A
1 vulnerable
Vulnerable SoftwareAffected Versions
Tac Plus
Before 2023-10-05
Configuration B
1 vulnerable
Vulnerable SoftwareAffected Versions
Fedora
Version 39

Related CWEs

CWE-790
Improper Filtering of Special Elements
The product receives data from an upstream component, but does not filter or incorrectly filters special elements before sending it to a downstream component.

References (6)

Source: cve-assign@fb.com
ExploitPatch
Source: cve-assign@fb.com
Vendor Advisory
Source: cve-assign@fb.com
Mailing ListThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
ExploitPatch
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing ListThird Party Advisory

Timeline

No history available yet.