SB2020052817 - Command Injection in Pi-Hole
Published: May 28, 2020 Updated: December 16, 2020
Security Bulletin ID
SB2020052817
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Command Injection (CVE-ID: CVE-2020-8816)
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 update from vendor's website.
References
- 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