Command Injection in Pi-Hole



Published: 2020-05-28 | Updated: 2020-12-16
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-8816
CWE-ID CWE-77
Exploitation vector Network
Public exploit Vulnerability #1 is being exploited in the wild.
Vulnerable software
Subscribe
Pi-hole
Web applications / Modules and components for CMS

Vendor Pi-hole

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Command Injection

EUVDB-ID: #VU49027

Risk: Medium

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-8816

CWE-ID: CWE-77 - Command injection

Exploit availability: Yes

Description

The vulnerability allows a remote attacker to execute arbitrary commands on the target system.

The vulnerability exists due to improper input validation. A remote authenticated attacker can use a specially crafted DHCP static lease and execute arbitrary commands on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Pi-hole: 4.3.2

External links

http://packetstormsecurity.com/files/157861/Pi-Hole-4.3.2-DHCP-MAC-OS-Command-Execution.html
http://packetstormsecurity.com/files/158737/Pi-hole-4.3.2-Remote-Code-Execution.html
http://github.com/pi-hole/AdminLTE/commits/master
http://github.com/pi-hole/AdminLTE/pull/1165
http://github.com/pi-hole/AdminLTE/releases/tag/v4.3.3
http://natedotred.wordpress.com/2020/03/28/cve-2020-8816-pi-hole-remote-code-execution/
http://twitter.com/Nate_Kappa/status/1243900213665902592?s=20


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



###SIDEBAR###