CVE-2021-29448

Pi-hole is a Linux network-level advertisement and Internet tracker blocking application. The Stored XSS exists in the Pi-hole Admin portal, which can be exploited by the malicious actor with the network access to DNS server. See the referenced GitHub security advisory for patch details.

CVSS v3 8.8 HIGH
CVSS v2.0 5.8 MEDIUM

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.3

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact HIGH

Scope CHANGED

5.8^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 8.6 / Impact : 4.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://github.com/pi-hole/AdminLTE/security/advisories/GHSA-cwwf-93p7-73j9	Exploit Third Party Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:pi-hole:ftldns:5.7:::::::*
	cpe:2.3:a:pi-hole:pi-hole:5.2.4:::::::*
	cpe:2.3:a:pi-hole:web_interface::::::::

History

No history.

Information

Published : 2021-04-15 16:15

Updated : 2024-02-28 18:28

NVD link : CVE-2021-29448

Mitre link : CVE-2021-29448

CVE.ORG link : CVE-2021-29448

JSON object : View

Products Affected

pi-hole

pi-hole
web_interface
ftldns

CWE

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

{"id": "CVE-2021-29448", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 5.8, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "MEDIUM", "availabilityImpact": "PARTIAL", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 4.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": true}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 8.8, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:H", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 5.3, "exploitabilityScore": 2.8}, {"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.6, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 4.7, "exploitabilityScore": 2.8}]}, "published": "2021-04-15T16:15:14.033", "references": [{"url": "https://github.com/pi-hole/AdminLTE/security/advisories/GHSA-cwwf-93p7-73j9", "tags": ["Exploit", "Third Party Advisory"], "source": "security-advisories@github.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-79"}]}, {"type": "Secondary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-79"}]}], "descriptions": [{"lang": "en", "value": "Pi-hole is a Linux network-level advertisement and Internet tracker blocking application. The Stored XSS exists in the Pi-hole Admin portal, which can be exploited by the malicious actor with the network access to DNS server. See the referenced GitHub security advisory for patch details."}, {"lang": "es", "value": "Pi-hole es una aplicaci\u00f3n de bloqueo de anuncios y rastreadores de Internet a nivel de red de Linux. El ataque XSS Almacenado se presenta en el portal de Administraci\u00f3n de Pi-hole, que puede ser explotado por el actor malicioso con acceso de red al servidor DNS. Consulte el aviso de seguridad de GitHub al que se hace referencia para los detalles del parche"}], "lastModified": "2021-05-14T20:07:30.970", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:pi-hole:ftldns:5.7:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "58019EAF-690C-4C97-810A-9A8A4300B14A"}, {"criteria": "cpe:2.3:a:pi-hole:pi-hole:5.2.4:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "62120E3C-0A70-43F9-A442-8F18B43169C9"}, {"criteria": "cpe:2.3:a:pi-hole:web_interface:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "8F0D090D-0C5F-476F-B857-10C7F5E29349", "versionEndExcluding": "5.5"}], "operator": "OR"}]}], "sourceIdentifier": "security-advisories@github.com"}