#VU49027 Command Injection in Pi-hole - CVE-2020-8816
Published: May 29, 2020 / Updated: February 20, 2022
Vulnerability identifier: #VU49027
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Green
CVE-ID: CVE-2020-8816
CWE-ID: CWE-77
Exploitation vector: Remote access
Exploit availability:
The vulnerability is being exploited in the wild
Vulnerable software:
Pi-hole
Pi-hole
Software vendor:
Pi-hole
Pi-hole
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.
Remediation
Install updates from vendor's website.
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
- https://github.com/pi-hole/AdminLTE/commits/master
- https://github.com/pi-hole/AdminLTE/pull/1165
- https://github.com/pi-hole/AdminLTE/releases/tag/v4.3.3
- https://natedotred.wordpress.com/2020/03/28/cve-2020-8816-pi-hole-remote-code-execution/
- https://twitter.com/Nate_Kappa/status/1243900213665902592?s=20