CVE-2023-48123 — An issue in Netgate pfSense Plus v

An issue in Netgate pfSense Plus v.23.05.1 and before and pfSense CE v.2.7.0 allows a remote attacker to execute arbitrary code via a crafted request to the packet_capture.php file.

01What is this vulnerability?

An issue in Netgate pfSense Plus v.23.05.1 and before and pfSense CE v.2.7.0 allows a remote attacker to execute arbitrary code via a crafted request to the packet_capture.php file.

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2023-12-06T00:00:00.000Z
• Last modified: 2024-08-02T21:23:38.593Z

09References

• redmine.pfsense.org — https://redmine.pfsense.org/issues/14809
• github.com — https://github.com/pfsense/pfsense/commit/f72618c4abb61ea6346938d0c93df9078736b7…
• docs.netgate.com — https://docs.netgate.com/downloads/pfSense-SA-23_11.webgui.asc