CVE-2023-39008 Command injection in n/a

Critical 9.8 Published 9 Aug 2023 Updated 10 Oct 2024

Attackers can execute arbitrary system commands via the cron settings API in OPNsense, requiring an upgrade to secure the firewall.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2023-39008?

CVE-2023-39008 is a critical command injection vulnerability in n/a, published on 9 Aug 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A command injection vulnerability in the component /api/cron/settings/setJob/ of OPNsense Community Edition before 23.7 and Business Edition before 23.4.2 allows attackers to execute arbitrary system commands.

Weakness: CWE-77

Which versions are affected by CVE-2023-39008?

It affects 1 product.

Products include Opnsense Opnsense.

How do I fix CVE-2023-39008?

No fix has been published for CVE-2023-39008 yet. Limit exposure of the affected software until one is available.

Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.

Is CVE-2023-39008 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-39008 exists.

Sources

Also known as GHSA-58fg-qwhp-cmjh.