CVE-2020-11108 Detail
Current Description
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.
Source: MITRE
View Analysis Description
Analysis Description
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.
Source: MITRE
Severity
References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving NIST webspace. We have provided these links to other web sites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other web sites that are more appropriate for your purpose. NIST does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, NIST does not endorse any commercial products that may be mentioned on these sites. Please address comments about this page to [email protected].
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-434 | Unrestricted Upload of File with Dangerous Type | NIST |
Known Affected Software Configurations Switch to CPE 2.2
Configuration 1 ( hide )
Change History
2 change records found – show changes
Initial Analysis – 5/13/2020 1:20:47 PM
| Action | Type | Old Value | New Value |
|---|---|---|---|
| Added | CPE Configuration |
OR
*cpe:2.3:a:pi-hole:pi-hole:*:*:*:*:*:*:*:* versions up to (including) 4.4
|
|
| Added | CVSS V2 |
NIST (AV:N/AC:L/Au:S/C:C/I:C/A:C) |
|
| Added | CVSS V3.1 |
NIST AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
|
| Added | CWE |
NIST CWE-434 |
|
| Changed | Reference Type |
http://packetstormsecurity.com/files/157623/Pi-hole-4.4-Remote-Code-Execution.html No Types Assigned |
http://packetstormsecurity.com/files/157623/Pi-hole-4.4-Remote-Code-Execution.html Exploit, Third Party Advisory, VDB Entry |
| Changed | Reference Type |
http://packetstormsecurity.com/files/157624/Pi-hole-4.4-Remote-Code-Execution-Privilege-Escalation.html No Types Assigned |
http://packetstormsecurity.com/files/157624/Pi-hole-4.4-Remote-Code-Execution-Privilege-Escalation.html Exploit, Third Party Advisory, VDB Entry |
| Changed | Reference Type |
https://frichetten.com/blog/cve-2020-11108-pihole-rce/ No Types Assigned |
https://frichetten.com/blog/cve-2020-11108-pihole-rce/ Exploit, Third Party Advisory |
| Changed | Reference Type |
https://github.com/Frichetten/CVE-2020-11108-PoC No Types Assigned |
https://github.com/Frichetten/CVE-2020-11108-PoC Exploit, Third Party Advisory |
CVE Modified by MITRE – 5/11/2020 1:15:11 PM
| Action | Type | Old Value | New Value |
|---|---|---|---|
| Added | Reference |
http://packetstormsecurity.com/files/157623/Pi-hole-4.4-Remote-Code-Execution.html [No Types Assigned] |
|
| Added | Reference |
http://packetstormsecurity.com/files/157624/Pi-hole-4.4-Remote-Code-Execution-Privilege-Escalation.html [No Types Assigned] |
Quick Info
CVE Dictionary Entry:
CVE-2020-11108
NVD Published Date:
05/11/2020
NVD Last Modified:
05/13/2020