Executive Summary

Informations
Name CVE-2020-14971 First vendor Publication 2020-06-23
Vendor Cve Last vendor Modification 2021-07-21

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Overall CVSS Score 7.8
Base Score 7.8 Environmental Score 7.8
impact SubScore 5.9 Temporal Score 7.8
Exploitabality Sub Score 1.8
 
Attack Vector Local Attack Complexity Low
Privileges Required Low User Interaction None
Scope Unchanged Confidentiality Impact High
Integrity Impact High Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:L/AC:L/Au:N/C:P/I:P/A:P)
Cvss Base Score 4.6 Attack Range Local
Cvss Impact Score 6.4 Attack Complexity Low
Cvss Expoit Score 3.9 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

Pi-hole through 5.0 allows code injection in piholedhcp (the Static DHCP Leases section) by modifying Teleporter backup files and then restoring them. This occurs in settings.php. To exploit this, an attacker would request a backup of limited files via teleporter.php. These are placed into a .tar.gz archive. The attacker then modifies the host parameter in dnsmasq.d files, and then compresses and uploads these files again.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-14971

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 3

Sources (Detail)

Source Url
CONFIRM https://github.com/pi-hole/AdminLTE/commit/8f6e1365b6dec0ae1aa0b0b15b102c9133...
https://github.com/pi-hole/AdminLTE/commit/c949516ee15fa6a9b0c8511cc4c4d6b089...
https://github.com/pi-hole/AdminLTE/pull/1443
MISC https://blog.telspace.co.za/2020/06/pi-hole-code-injection-cve-2020-14971.html

Alert History

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Date Informations
2021-08-05 01:37:18
  • Multiple Updates
2021-07-21 17:23:44
  • Multiple Updates
2021-05-05 01:37:57
  • Multiple Updates
2021-05-04 13:45:32
  • Multiple Updates
2021-04-22 02:57:34
  • Multiple Updates
2021-03-27 01:33:25
  • Multiple Updates
2020-08-06 01:26:13
  • Multiple Updates
2020-07-06 17:22:41
  • Multiple Updates
2020-06-24 17:22:44
  • Multiple Updates
2020-06-23 21:23:03
  • First insertion