PT-2023-26733 · Opnsense · Opnsense Community Edition+1

Feliks Penconek · Published 2023-08-09 · Updated 2023-10-10 · CVE-2023-39007

Positive Technologies (AI Summary)

CVSS v3.1

9.6

Critical

Base vector

AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions OPNsense Community Edition versions prior to 23.7 OPNsense Business Edition versions prior to 23.4.2

Description The issue allows for XSS via the openAction in the app/controllers/OPNsense/Cron/ItemController.php file, specifically in the /ui/cron/item/open endpoint of the Cron component.

Recommendations For OPNsense Community Edition versions prior to 23.7, update to version 23.7 or later. For OPNsense Business Edition versions prior to 23.4.2, update to version 23.4.2 or later. As a temporary workaround, consider restricting access to the /ui/cron/item/open endpoint in the Cron component until a patch is available.

Exploit

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2023-39007

Affected Products

Opnsense Business Edition

Opnsense Community Edition

References · 8

• 🔥 https://logicaltrust.net/blog/2023/08/opnsense.html · Exploit
• https://github.com/opnsense/core/commit/5edff49db1cd8b5078611e2f542d91c02af2b25c · Patch
• https://osv.dev/vulnerability/CVE-2023-39007 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-39007 · Security Note
• https://github.com/opnsense/core/compare/23.1.11...23.7 · Note
• https://t.me/cvenotify/58661 · Telegram Post
• https://t.me/cvenotify/56322 · Telegram Post
• https://t.me/cibsecurity/68127 · Telegram Post