VulnerabilityModified
CVE-2020-11108
The Gravity updater in Pi-hole through 4.4 allows an authenticated adversary to upload arbitrary files.
HIGH 8.8EPSS 78.3%
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 78.3%, higher than 100% of all known CVEs. Patch or mitigate before the next change window.
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.
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 78.26% probability · 100th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-434
- Affected
- pi-hole/pi-hole
- Source
- cve@mitre.org
References
- http://packetstormsecurity.com/files/157623/Pi-hole-4.4-Remote-Code-Execution.htmlExploit, Third Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/157624/Pi-hole-4.4-Remote-Code-Execution-Privilege-Escalation.htmlExploit, 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
- https://frichetten.com/blog/cve-2020-11108-pihole-rce/Exploit, Third Party Advisory
- https://github.com/Frichetten/CVE-2020-11108-PoCExploit, Third Party Advisory
- http://packetstormsecurity.com/files/157623/Pi-hole-4.4-Remote-Code-Execution.htmlExploit, Third Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/157624/Pi-hole-4.4-Remote-Code-Execution-Privilege-Escalation.htmlExploit, 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
- https://frichetten.com/blog/cve-2020-11108-pihole-rce/Exploit, Third Party Advisory
- https://github.com/Frichetten/CVE-2020-11108-PoCExploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.