CVE-2020-11108
CVSS V2 High 9
CVSS V3 High 8.8
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.
Overview
- CVE ID
- CVE-2020-11108
- Assigner
- cve@mitre.org
- Vulnerability Status
- Modified
- Published Version
- 2020-05-11T15:15:11
- Last Modified Date
- 2020-05-27T18:15:12
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:pi-hole:pi-hole:*:*:*:*:*:*:*:* | 1 | OR | 4.4 |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:L/Au:S/C:C/I:C/A:C
- Access Vector
- NETWORK
- Access Compatibility
- LOW
- Authentication
- SINGLE
- Confidentiality Impact
- COMPLETE
- Integrity Impact
- COMPLETE
- Availability Impact
- COMPLETE
- Base Score
- 9
- Severity
- HIGH
- Exploitability Score
- 8
- Impact Score
- 10
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality Impact
- HIGH
- Availability Impact
- HIGH
- Base Score
- 8.8
- Base Severity
- HIGH
- Exploitability Score
- 2.8
- Impact Score
- 5.9
References
| Reference URL | Reference Tags |
|---|---|
| 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 VDB Entry |
| http://packetstormsecurity.com/files/157624/Pi-hole-4.4-Remote-Code-Execution-Privilege-Escalation.html | Exploit Third Party Advisory VDB Entry |
| 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 |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2020-11108 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-11108 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 17:30:26 | Added to TrackCVE | |||
| 2022-12-04 16:21:32 | 2020-05-11T15:15Z | 2020-05-11T15:15:11 | CVE Published Date | updated |
| 2022-12-04 16:21:32 | 2020-05-27T18:15:12 | CVE Modified Date | updated | |
| 2022-12-04 16:21:32 | Modified | Vulnerability Status | updated |