PT-2023-26728 · Opnsense · Opnsense Community Edition+1

Feliks Penconek · Published 2023-08-09 · Updated 2023-10-10 · CVE-2023-39002

Positive Technologies (AI Summary)

CVSS v3.1

6.1

Medium

Base vector

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

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 A cross-site scripting (XSS) issue exists in the act parameter of system certmanager.php, allowing attackers to execute arbitrary web scripts or HTML via a crafted payload.

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 system certmanager.php file until a patch is available.

Exploit

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2023-39002

Affected Products

Opnsense Business Edition

Opnsense Community Edition

References · 6

• 🔥 https://logicaltrust.net/blog/2023/08/opnsense.html · Exploit
• https://github.com/opnsense/core/commit/a4f6a8f8d604271f81984cfcbba0471af58e34dc · Patch
• https://osv.dev/vulnerability/CVE-2023-39002 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-39002 · Security Note
• https://t.me/cibsecurity/68117 · Telegram Post
• https://t.me/cvenotify/56136 · Telegram Post