CVE Vulnerability

CVE-2020-11108

The Gravity updater in Pi-hole through 4.4 allows an authenticated adversary to upload arbitrary files. This can be abused for Remote Code Execution by writing to a PHP file in the web directory. (Also, it can be used in conjunction with the sudo rule for the www-data user to escalate privileges to root.) The code error is in gravity_DownloadBlocklistFromUrl in gravity.sh.

9 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8 / Impact : 10

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

Scope

8.8 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://frichetten.com/blog/cve-2020-11108-pihole-rce/ Exploit Third Party Advisory
https://github.com/Frichetten/CVE-2020-11108-PoC Exploit Third Party Advisory
http://packetstormsecurity.com/files/157623/Pi-hole-4.4-Remote-Code-Execution.html Exploit Third Party Advisory
http://packetstormsecurity.com/files/157624/Pi-hole-4.4-Remote-Code-Execution-Privilege-Escalation.html Exploit Third Party Advisory
http://packetstormsecurity.com/files/157748/Pi-Hole-heisenbergCompensator-Blocklist-OS-Command-Execution.html
http://packetstormsecurity.com/files/157839/Pi-hole-4.4.0-Remote-Code-Execution.html
Configurations

Configuration 1

cpe:2.3:a:pi-hole:pi-hole:*:*:*:*:*:*:*:*
Information

Published : 2020-05-11 03:15

Updated : 2020-05-27 06:15

NVD link : CVE-2020-11108

Mitre link : CVE-2020-11108

Products Affected
No products.
CWE
CWE-434