CVE-2020-14971
Last modified
CVE-2020-14971 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. 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. EPSS estimates a 0.55% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Pi-Hole | Pi-Hole | <= 5.0 |
References
- https://blog.telspace.co.za/2020/06/pi-hole-code-injection-cve-2020-14971.htmlThird Party Advisory
- https://github.com/pi-hole/AdminLTE/commit/8f6e1365b6dec0ae1aa0b0b15b102c9133f347e5Patch, Third Party Advisory
- https://github.com/pi-hole/AdminLTE/commit/c949516ee15fa6a9b0c8511cc4c4d6b0893f3e69Patch, Third Party Advisory
- https://github.com/pi-hole/AdminLTE/pull/1443Third Party Advisory
- https://blog.telspace.co.za/2020/06/pi-hole-code-injection-cve-2020-14971.htmlThird Party Advisory
- https://github.com/pi-hole/AdminLTE/commit/8f6e1365b6dec0ae1aa0b0b15b102c9133f347e5Patch, Third Party Advisory
- https://github.com/pi-hole/AdminLTE/commit/c949516ee15fa6a9b0c8511cc4c4d6b0893f3e69Patch, Third Party Advisory
- https://github.com/pi-hole/AdminLTE/pull/1443Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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