CVE-2023-45239

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.

Score

CVSS 3.1 9.8 Critical

Status

Modified - cve-assign@fb.com

Published

2023-10-06

Last modified

2025-02-13

Weaknesses

CWE-790

Affected products

• Tac Plus (Facebook)
• Fedora (Fedoraproject)
• Tac Plus (Meta)

References

• https://github.com/facebook/tac_plus/pull/41
• https://github.com/facebook/tac_plus/security/advisories/GHSA-p334-5r3g-4vx3
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/X4J7ZYMFZB4G4OU5EDJPQLP6…