CVEvulnerability
CVE-2023-45239
9.8 CRITICAL
Official page ↗
- Status
- Modified
- Published
- 2023-10-06
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-790
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 configurations
• facebook tac plus (< 2023-10-05)
• fedoraproject fedora 39
Related
Weakness · CWE (1)
- CWE-790 Improper Filtering of Special Elements weakness
References
- https://github.com/facebook/tac_plus/pull/41 Exploit, Patch
- https://github.com/facebook/tac_plus/security/advisories/GHSA-p334-5r3g-4vx3 Vendor Advisory
- https://lists.fedoraproject.org/archives/list/[email protected]/message/X4J7ZYMFZB4G4OU5EDJPQLP6F6RKDGIH/ Mailing List, Third Party Advisory
- https://github.com/facebook/tac_plus/pull/41 Exploit, Patch
- https://github.com/facebook/tac_plus/security/advisories/GHSA-p334-5r3g-4vx3 Vendor Advisory
- https://lists.fedoraproject.org/archives/list/[email protected]/message/X4J7ZYMFZB4G4OU5EDJPQLP6F6RKDGIH/ Mailing List, Third Party Advisory