CVE-2020-8816 Pi-Hole AdminLTE Remote Code Execution

Exploited in the wild Critical 9.1 Published Updated

Privileged dashboard users can execute arbitrary code via crafted DHCP static leases in Pi-hole Web Admin.

Exploited in the wild
Since 10 Dec 2021
Login needed
An administrator
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2020-8816?

CVE-2020-8816 is a critical command injection vulnerability in n/a, published on 29 May 2020. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

Pi-hole Web v4.3.2 (aka AdminLTE) allows Remote Code Execution by privileged dashboard users via a crafted DHCP static lease.

Weakness: CWE-78

Which versions are affected by CVE-2020-8816?

It affects 1 product.

Products include Pi-Hole Pi-Hole.

How do I fix CVE-2020-8816?

No fix has been published for CVE-2020-8816 yet. Limit exposure of the affected software until one is available. US federal agencies must fix it by 10 Jun 2022.

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

Is CVE-2020-8816 being exploited?

Yes. Attackers have exploited CVE-2020-8816 in the wild since at least 10 Dec 2021.

Public exploit code: 1 Metasploit module, 1 Exploit-DB entry and 4 proofs of concept on GitHub.

Sources

Also known as GHSA-v4fw-xc8h-7p52.

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