CVE-2020-14162

An issue was discovered in Pi-Hole through 5.0. The local www-data user has sudo privileges to execute the pihole core script as root without a password, which could allow an attacker to obtain root access via shell metacharacters to this script's setdns command.

CVSS v3 7.8 HIGH
CVSS v2.0 7.2 HIGH

7.8^/10

CVSS v3 : 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

7.2^/10

CVSS v2.0 : HIGH

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

Exploitability : 3.9 / Impact : 10.0

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://0xpanic.github.io/2020/07/21/Pihole.html	Exploit Third Party Advisory
https://docs.pi-hole.net/core/pihole-command/	Vendor Advisory

Configurations

Configuration 1 (hide)

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

History

No history.

Information

Published : 2020-07-30 14:15

Updated : 2023-12-10 13:27

NVD link : CVE-2020-14162

Mitre link : CVE-2020-14162

CVE.ORG link : CVE-2020-14162

JSON object : View

Products Affected

pi-hole

pi-hole

CWE

CWE-269

Improper Privilege Management

CWE-78

Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

{"id": "CVE-2020-14162", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 7.2, "accessVector": "LOCAL", "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C", "authentication": "NONE", "integrityImpact": "COMPLETE", "accessComplexity": "LOW", "availabilityImpact": "COMPLETE", "confidentialityImpact": "COMPLETE"}, "acInsufInfo": false, "impactScore": 10.0, "baseSeverity": "HIGH", "obtainAllPrivilege": false, "exploitabilityScore": 3.9, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.8, "attackVector": "LOCAL", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.8}]}, "published": "2020-07-30T14:15:12.153", "references": [{"url": "https://0xpanic.github.io/2020/07/21/Pihole.html", "tags": ["Exploit", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://docs.pi-hole.net/core/pihole-command/", "tags": ["Vendor Advisory"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-269"}, {"lang": "en", "value": "CWE-78"}]}], "descriptions": [{"lang": "en", "value": "An issue was discovered in Pi-Hole through 5.0. The local www-data user has sudo privileges to execute the pihole core script as root without a password, which could allow an attacker to obtain root access via shell metacharacters to this script's setdns command."}, {"lang": "es", "value": "Se detect\u00f3 un problema en Pi-Hole versiones hasta 5.0. El usuario local de www-data presenta privilegios de sudo para ejecutar el script core de pihole como root sin una contrase\u00f1a, lo que podr\u00eda permitir a un atacante obtener acceso root por medio de metacaracteres de shell en este comando setdns de script"}], "lastModified": "2021-07-21T11:39:23.747", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:pi-hole:pi-hole:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C94A32E2-C02F-4D7A-8F90-49C8BFE699A8", "versionEndExcluding": "5.1"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}