CVE-2020-14971

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.

CVSS v3.0 7.8 HIGH
CVSS v2.0 4.6 MEDIUM

7.8^/10

CVSS v3.0 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

4.6^/10

CVSS v2.0 : MEDIUM

Vector : AV:L/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 3.9 / Impact : 6.4

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://blog.telspace.co.za/2020/06/pi-hole-code-injection-cve-2020-14971.html	Third Party Advisory
https://github.com/pi-hole/AdminLTE/pull/1443	Third Party Advisory
https://github.com/pi-hole/AdminLTE/commit/8f6e1365b6dec0ae1aa0b0b15b102c9133f347e5	Patch Third Party Advisory
https://github.com/pi-hole/AdminLTE/commit/c949516ee15fa6a9b0c8511cc4c4d6b0893f3e69	Patch Third Party Advisory

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Configurations

Configuration 1 (hide)

cpe:2.3:a:pi-hole:pi-hole:*:*:*:*:*:*:*:*

Information

Published : 2020-06-23 07:15

Updated : 2021-07-21 04:39

NVD link : CVE-2020-14971

Mitre link : CVE-2020-14971

JSON object : View

CWE

CWE-862

Missing Authorization

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Products Affected

pi-hole

pi-hole

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